THE 4th TRIENNIAL INTERNATIONAL SYMPOSIUM ON FLUID CONTROL, FLUID MEASUREMENT, AND VISUALIZATION FLUCOME

Size: px
Start display at page:

Download "THE 4th TRIENNIAL INTERNATIONAL SYMPOSIUM ON FLUID CONTROL, FLUID MEASUREMENT, AND VISUALIZATION FLUCOME"

Transcription

1 THE 4th TRIENNIAL INTERNATIONAL SYMPOSIUM ON FLUID CONTROL, FLUID MEASUREMENT, AND VISUALIZATION August 29 - September 1,1994 TOULOUSE - FRANCE International Congress Centre DIAGORA-Labege General Chairman Dr Patrick HEBRARD TECHNISCHE INFORMATION3BIBLIOTHEK UNIVER5ITAT5D1BUOTHEX HANNOVER FLUCOME '94 CERT/ONERA - DERMES 2, Avenue Edouard Belin TOULOUSE, FRANCE UB/TIB Hannover

2 Plenary Session I MoA 0 09:30 THE USE OF EXPERMENT FOR IMPROVING TURBULENCE MODELS HAMINHH. MEASUREMENT MoA 1 11:10 UNCONVENTIONAL COMBINED PROBE FOR FLOW SPEED AND TEMPERATURE MEASUREMENT J.NOZIKA. H TEMPERATURE MEASUEMENT OF PNEUMATIC CYLINDER IN STATE OF ACTUATION AND ESTIMATION ON TEMPERATURE VARIATION K.SHIMADA. 17 SIMULTANEOUS SPATIAL MEASUREMENT OF TEMPERATURE AND VELOCITY IN A THERMAL FLUID FLOW D.H. DOH T. KOBAYASHI - T. SAGA Y.H. LEE. 23 FLUIDICS MoA 2 11:10 A STUDY OF THE GEOMETRICAL EFFECTS OF A VORTEX AMPLIFIER CHAMBER ON ITS PERFORMANCE S. BECK P. DEL1GIANNIS R.F. BOUCHER 29 OSCILLATING LPA FLOWMETER K. YAMAMOTO F. HIROKI - T. 1SH1DA. 35 INVESTIGATIONS ON THE PERFORMANCE OF A FLUIDIC TOOTH PICK K.K. SUDEVAN S.KAR. 41 CONTROL MoA 3 11:10 FLAPPER/DOUBLE NOZZLE FLOW DIVIDER USING CFD MODELLING J. WATTON JM. BERGADA. 47 PULSATING PHENOMENA IN A COMPRESSOR SUCTION LINE WITH REED-VALVE K. TAKENAKA - M. HAYASHIDA H. SAEKI. 53 VALVE O. OYAMA. 59 MECHANICS MoA 4 11:10 SELF-INDUCED UPWARD PLANE JET OSCILLATION COUPLED WITH WATER LEVEL OSCILLATION M. FUKAYA H. MADARAME - K. OKAMOTO - M. I1DA ~ 63 INSTABILITY PHENOMENA IN THE WALL JET REGION C. MEOLA - i. de LVCA G.M. CARLOMAGNO. 69 EXPERIMENTAL STUDY OF THE UNSTEADY TURBULENT FIELD OF TRANSIENT AXISYMMETRIC TURBULENT JETS N. ATASSI - J. BOREE - P. MENVT G. CHARNAY. 75 VISUALIZATION MoA 5 11:10 PARTICLE TRACKING METHOD USING GENETIC ALGORITHM AND ITS APPLICATION TO ELECTRICALLY OPERATED FLOW FIELDS T. TUKIJI R- OHYAMA - K. KANEKO. _ 81 IMAGE PROCESSING TECHNIQUES WITH NEURAL NETWORKS FOR FLOW VISUALIZATION IN ROTATING MACHINERY M. HELBING - R. ORGIMEISTE S. KALLWEIT - H.E. S1EKMANN - it. DUES- J. CRONEMEYER. 87 DETERMINATION OF ERRONEOUS VELOCITY VECTORS USING GENETIC ALGORITHMS ON QUANTITATIVE FLOW VISUALIZATION I KIMURA. Y NAKAM CONTROL -.-MoPi.. 14:00 ADAPTIVE FEEDFORWARD CONTROL OF ELECTRO-HYDRAULIC SERVO SYSTEM WITH INVERSE TRANSFER FUNCTION AND ZPETC y. NAKAO - E. URATA. 101

3 TT = ^ -. NEGATIVE PRESSURE PNEUMATIC SERVO SYSTEM S. WITRISNANTO M. KIMURA - T. ARAI. 107 ACTIVE CONTROL OF VORTEX SHEDDING BY CROSS-FLOW OSCILLATION OF A CIRCULAR CYLINDER IN A UNIFORM FLOW N. FUJISAWA - H.M. WARUI. 113 REALISATION OF A SIMPLE POLE-PLACEMENT ADAPTIVE CONTROL IN A HYDRAULIC POSITION SERVO SYSTEM S. LEQUOC - Y.F. X10NG R.M.H. CHENG. 119 FLUIDICS MoP 2 14:00 PERFORMANCE OF MULTISTAGE BISTABLE FLUIDIC OSCILLATOR H.J. SUN -Z.S. QIU. 125 ANALYSIS AND OPTIMISATION OF A FLUIDIC HYDRAULIC RAM JP T1PPETTS - H HAIDER. 131 AN INVESTIGATION OF THE POSSIBILITIES OF USING FLUIDIC COMPONENTS IN THE FLUID POWER AREA J.-O. PALMBERG - U. PETTERSON K. WEDDFELT. 137 INVESTIGATION OF THE OSCILLATION PHENOMENA OCCURRING IN THE SWITCH OSCILLATOR B. HUANG - S. ZIKIKOUT Ph. HOCQUET. 143 CONTROL MoP 3 14:00 ON A NEW CONCEPT OF HYDROELASTIC POWER CONVERTER A. MO1ROUX - S. MARTIN - J.C. CHAMPOUSSIN J. MORCILLO. 149 H. IZUCHI ANALYSIS OF PUMP TRANSIENT BEHAVIOR BY BOND GRAPHS K. TANAKA - H. TSUKAMOTO - T. KOHDA - H. TANAKA. 161 TRIPLE CONTROLS OF PISTON PUMPS WITH MIXED STAGES G. ZAROm -it PAOLUZZI. 167 MECHANICS MoP 4 14:00 VISUALIZATION OF PRESSURE FIELDS IN A RECTANGULAR JET K.TOYODA-T. OKAMOTO. 173 EXPERIMENTAL STUDY OF FLOW BEHAVIOR AND PRESSURE DROP CAUSED BY MIXING OF TWO STREAMS T. MASH1MO. ~ 179 MEASUREMENTS OF TWO-PHASE SWIRLING FREE JET BY PHASE DOPPLER ANEMOMETER K. H1SHIDA - H. MORIHTA - K. MATSUMOTO - M. MAEDA. 185 EXPERIMENTAL AND NUMERICAL STUDIES ON COAXIAL JETS A OKAJIMA - T. KIWATA H. UENO. 191 VISUALIZATION MoP 5 14:00 MEASUREMENT OF ACTUAL GAS VELOCITY IN TWO-PHASE FLOW USING HIGH SPEED VIDEO AND IMAGE PROCESSING K. S. REZKALLAH - P. de JONG. 197 AN EASY PROCESS FOR P.I.V. METHOD APPLIED TO A LOW VELOCITY AIRFLOW STUDY C. DESAUBRY - T. FOURNEL P. GERVAIS. 203 FAST PROCESSING TECHNIQUE OF PARTICLE IMAGE VELOCIMETRY K KAVfASUE T. SHIMATSU - C SHIH A P.I.V. SYSTEM FOR A WATER-LUDWIEG-TUNNEL S. HONDA - K MORIKAWA H. GRON1G. 215 MEASUREMENT MoP 6 16:10 THE FLOW VISUALIZATION OF SWIRLING FLOWS USING HIGH SPEED PHOTOGRAPHY P. A. YAZDABADI A. J. GRIFFITHS - N. SYRED. 221

4 m LASER DOPPLER ANEMOMETRY IN SURFACE TENSION DRIVEN BENARD CONVECTION P. CERISIER 227 VELOCITY DISTRIBUTION IN A VERY LOW SPEED WIND TUNNEL Y. TERAO M. TAKAMOTO T. SUGIYAMA. 233 MECHANICS MoP 7 16:10 INLET FLOW DISTORTION IN AN AXIAL FLOW FAN STAGE P. VASANTHAKUMAR M. GOVARDHAN. 239 CONTROL OF SECONDARY FLOW AND LOSSES IN AN ANNULAR CASCADE OF TURBINE NOZZLE BLADES T. KAVfAI - H. AKAGI - T. ADACHI....T..; EXPERIMENTAL DETERMINATION OF THE AERODYNAMIC PHENOMENA FOR AN AXIAL FLOW FAN S. MARTEEl -N.GE- B. BAUDOIN - B. DESMET. 251 FLUIDICS MoP 8 16:10 SOME MULTI-PHASE FLOW PHENOMENA IN FLUIDIC ELEMENTS Y.R. GOH - G.H. PRIESTMAN - J.R. TIPPETTS. 257 REYNOLDS NUMBER EFFECTS ON VENTURI NOZZLES AND THE REVERSE FLOW DIVERTER G.H. PRIESTMAN - J.R. TIPPETTS. 263 FLUIDIC PUMP EMPLOYING SUPERSONIC BISTABLE DEVICE F. HIROKI - T. MASUDA K YAMAMOTO 269 MECHANICS MoP 9 16:10 FLOW VISUALIZATION AND PRESSURE MEASUREMENT IN A MECHANICAL HEART VALVE PROSTHESIS G. BELFORTE - T. RAPARELU - A. ROMITI. 273 HEMODYNAMICS FOR C-L TYPE SINGLE-COLUMN MECHANICAL HEART VALVE D.GUOSENHE VISUALIZATION OF FLOW AROUND VARIOUS FORMS OBSTACLES TRAPPED IN VENA CAVA FILTERS G. MORIN - R. PERRAULT - J. DOFFIN. 283 VISUALIZATION MoPlO 16:10 ADVANCED X-RAY AND GAMMA-RAY TECHNIQUES FOR MEASUREMENT AND VISUALIZATION OF GAS-LIQUID TWO-PHASE FLOW K. HORI - S. SUGIYAMA M. AKAI. 289 FLOW FIELD VELOCITY MEASUREMENTS USING AUTOMATIC EXTRACTION OF PARTICLE STREAKS FROM VIDEO IMAGES A. LECUONA - J. I. NOGUEIRA P. A. RODRIGUEZ - D. PEINADO 295 FULL FIELD VELOCITY MEASUREMENT IN AN AIR FLOW AND A TWO PHASE FLOW BY USING CROSS CORRELATION METHOD N. TSUDA - T. SAGA T. KOBAYASHI K. OHBA 303

5 TV Plenary Session H TuAO 09K)0 THREE-DIMENSIONAL PARTICLE TRACKING VELOCIMETRY : A REVIEW J.C. KENT. 309 MEASUREMENT TuA 1 10:16 JALYSIS APPLIED TO ] SYSTEMS J.E. AMADIECHENDU H. ZHU - E.H. HIGHAM. 317 CHARACTERISTICS OF VENTURIMETER AND SECTOR ORIFICE PLATES IN THE FLOW OF SOLID-LIQUID MIXTURES V.K. GAHLOT - KK. SHARMA - V. SESHADRI. 323 LIQUID GAUGING IN MICROGRAVITY: THE G-22 EXPERIMENT R. MONTI G. CAPUANO -D. TITOMANLIO -G. PAGUOCCA -P. BOSCO L. PACE -F. MONTI. 329 FLOW CONDITIONING FOR ACCURATE ORIFICE PLATE FLOW METERING E.M. LAWS - A.K OUAZZANE. 337 EFFECT OF TEMPERATURE SENSOR POSITION ON DIFFERENTIAL PRESSURE MEASUREMENT IN ORIFICE TYPE FOWMETER K. KOMIYA - N. WATANABE - K. NUKUI J. MIYAKAWA. 343 MECHANICS TuA 2 10:15 INFLUENCE OF THE HEATING ON THE BIDIMENSIONAL STRUCTURE OF THE WAKE BEHIND CIRCULAR CYLINDERS N. MICHAUX-LEBLOND M. BELORGEY. 349 EXPERIMENTAL STUDY OF TAYLOR VORTEX FLOW IN A CIRCULAR COUETTE FLOW S. IMAO - M. ITOH - H. YAMANE. 355 COHERENT STRUCTURE AND SECONDARY FLOW IN TURBULENT OPEN CHANNEL FLOW T. SAGA - H. OHNARI - K WATANABE - T. SAITOU. 361 ROUGHNESS EFFECT ON THE REYNOLDS STRESS STRUCTURE A. MAZOUZ - L. LABRAGA - C. TOURNIER. 367 EXPERIMENTAL STUDY OF A CONFINED FLASHING WATER FLOW D.I. ROBINSON, J.T. TURNER, M.J. WATTS, R. WILMSHURST. 373 CONTROL TuA 3 10:15 MODELING AND OPTIMAL CONTROL OF LIQUID VIBRATION IN TRANSFERING A RECTANGULAR CONTAINER M. HAMAGUCHI - K. TERASHIMA. 379 SLOSHING OF TWO FLUID LAYERS UNDER NON-UNIFORM MAGNETIC FIELD T. SAWADA - S. SHIBATA - H. KIKURA - T. TANAHASHI. 385 A DIGITAL SIMULATION ALGORITHM FOR HYDRAULIC SYSTEMS SUBJECTED TO SOLID FRICTION /. IIMURA - S. HAYASHI. 391 DIGITAL FLOW RATE REGULATING VALVE AND ITS CONTROL L. MINGYANG 397 SCRAMJET FLUIDIC CONTROL SYSTEM AND RESULTS OF ITS TESTING IN HYPERSONIC FLYING TEST BED E. APARIN - A. BELUKOV - y. SHIKHMAN - G. STEPANOV MECHANICS TuA 4 10:15 A NUMERICAL ANALYSIS OF SWIRLING ANNULAR JET IMPINGING ON A FLAT PLATE Y. KOKOSHIMA - A. SHIMIZU NUMERICAL FLOW VISUALIZATION OF AN UNSTEADY AXISYMMETRICAL ORIFICE PLATE FLOW WITH A PERTURBED INLET VELOCITY A.GIOVANNINI - Y. GAGNON. 407 ENGINE R.S. GUPTA - Y.S. CHAUHAN - N. SHAYGAN. 413 TRIPLE DECK STRUCTURE FOR A NON SYMMETRIC CHANNEL: INDUCED SEPARATION ON A UNIFORM WALL S. SAINTLOS - J. MAUSS. 419

6 V NUMERICAL CONVERGENCE PROOF OF THE VORTEX-IN-CELL ALGORITHM APPLIED TO INTERNAL FLOWS R. SAVOIE Y. GAGNON Y. MERCADIER 425 VISUALIZATION TuA 5 10:15 DEVELOPMENT OF PTV SYSTEM FOR DILUTE POLYMER SOLUTION WITH DRAG REDUCTION N. NISHIKAWA - Y. NIIMURA Y. KIMURA - Y. 1TAKURA. 431 ADVANTAGES AND LIMITATIONS OF DIFFERENT PHOTOGRAMMETRIC, PARTICLE-BASED APPROACHES TO 3-D VELOCITY FIELD MEASUREMENT J.C. KENT -N. TRIGU1 Y.G. GUEZENNEC - W.C. CHOI - Y. ZHAO T.J. GIESEKE. 437 APPLICATION OF THE FLOW VISUALIZATION TECHNIQUE IN FORMING OF THE SCAVENGING FOR TWO STROKE DI DIESEL ENGINE R. BODZINSKI T. CZARNIECKI P. MODZEL - R. ROHATYNSKI. 445 AN ORIGINAL TECHNICS PIV/PTV APPLIED TO THE STUDY OF A VORTEX RING BUBBLE B. COLLARD M. S1OUFFI - P. VIGLIANO. _ 451 COMPUTER GRAPHICS AND PTV MEASUREMENT OF INTERNAL FLOW IN TORQUE CONVERTER A WADA F. YAMAMOTO - H. ISHIHARA - M. IGUCHI. 457 MEASUREMENT TuP 1 14:00 DESIGN OF A REAL TIME ULTRASONIC CORRELATION FLOWMETER FOR PROCESS MEASUREMENT C. KIM - D. K. LEE. ~ ~ 465 STUDY ON CHARACTERISTICS OF A ULTRASONIC GAS FLOWMETER FOR A RANGE OF SMALL FLOW RATES M. TAKAMOTO - K SHIMIZU. 473 J. SZEBESZCZYK. - '. 479 A.M.C. CHAN D. ZOBIN. 485 FLUroiCS TuP 2 14:00 ON VORTICAL STRUCTURES IN TURBULENT WAKES V. KOLAR VORTEX FLOWMETER EXPOSED TO SWIRLING FLOWS: FURTHER RESULTS A LANEVILLE - J. MARTINEZ - A STRZELECKI P. GAJAN. 497 THE NEAR WAKE FLOWFIELD OF AN OSCILLATING CIRCULAR CYLINDER /. TEIPEL - T. HUTH WAKE FORMATION BEHIND A SEMI-CIRCULAR SHELL, INFLUENCE OF THE DOWNSTREAM CAVITY P EHRMANN - M COUTANCEAU VISUALIZATION TuP 3 14:00 APPLICATION OF A PARTICLE STREAK VELOCIMETRY TECHNIQUE TO UNSTEADY FLOW STUDY L. DAVID - A TEXIER. ; 513 EXPERIMENTAL EVALUATION OF THE ENTRAINING ENHANCEMENT PRODUCED BY FORCING THREE-DIMENSIONAL COHERENT STRUCTURES IN LAMINAR JETS PJL RODRIGUEZ D. PEINADO - A LECUONA J. I. NOGUEIRA. 521 INTENSITY MODULATED PARTICLE STREAK VELOCIMETRY R.F. BOUCHER - MA. KAMALA T. IKEMA. 527 VISUALIZATION OF UNSTABLE CURTAIN COATING FLOWS y. KASHJWABARA - K NOJO - K 0ZAK MECHANICS TuP 4 14:00 DIAGNOSING AND CORRECTING FOR PULSATION EFFECTS IN FLOWMETERS R.C. MOTTRAM - K N ATJINSON. 537 A NEW DIRECT-MEASUREMENT METHOD FOR DETERMINING FLUID BULK MODULUS IN OIL HYDRAULIC SYSTEMS J WATTON- Y XUE.i..... J....,..,,...,...,,...».. H.»... m..«.»». 543

7 PULSATION EFFECT ON THE PERFORMANCE ON AN ORIFICE FLOWMETER J.H. SHAW- J.J. MIAU J.R. DUANN - R. Z. YANG. 549 MEASUREMENTS WITH A TURBINE FLOW METER IN THE PRESENCE OF LARGE AMPLITUDE, NON-SINUSOIDAL PULSATIONS R. CHEESEWRIGHT - D. EDWARDS - C. CLARK 555 VISUALIZATION TuP 5 14:00 VISUALIZATION OF SECONDARY FLOW PHENOMENA IN ROTATING CURVES SQUARE CHANNELS WITH POSITIVE AND NEGATIVE ROTATIONS K.C. CHENG L.WANG. 561 REVERSE FLOW IN CHANNEL - INFLUENCE OF SPLITTER PLATE B.H. LAKSHMANA GOWDA - E.G. TULAPURKARA - S. K SWAIN. 571 VISUALIZATION OF TAYLOR CELLS FORMATION E. VARECHON J.P. PRENEL - G. COGNET. 577 A NEW METHOD OF VISUALIZING TURBULENT EDDIES J.W. HOYT - R.H.J. SELLIN. 581 MEASUREMENT TuP 6 16:10 AN APPLICATION OF DROP-WEIGHT METHOD TO MEASUREMENT OF EXTREMELY SMALL FLOW RATE OF A LIQUID T. IGARASHI. 587 A MULTIPHASE FLOW METERING SYSTEM USING ESTABLISHED TECHNOLOGY T. S. WH1TAKER - B.C. MILUNGTON. 593 CHARGING AND DISCHARGING TYPE ELECTROSTATIC FLOWSENSOR Y. TANAKA -K. NAKANO. 599 VISCOSITY EFFECTS ON THE CHARACTERISTICS OF OVAL GEAR FLOWMETER K. LJM. 605 FLUDDICS TuP 7 16:10 BLOCKAGE EFFECTS IN THE PLANE FLOW OVER A WEDGE it GIRARDI - FJ~ SOUSA. 611 MEASUREMENTS OF UNSTEADY FLOW NEAR THE CREST OF DEEP WATER PLUNGING BREAKER H. TOMITA - H. SAWADA 617 THE FORMATION MECHANISM AND SHEDDING FREQUENCY OF VORTEX FROM A SPHERE IN UNIFORM SHEAR FLOWS H. SAKAMOTO - H. HAN1U '. 623 CONTROL TuP 8 16:10 A DISCHARGE DIVIDER BETWEEN MAIN AND BRANCH PIPES N. VITTAL 629 SIMULATION OF COMPLEX SYSTEMS: MODULAR METHODS AND COMPUTATIONAL EFFICIENCY J. PALMBERG, P. KRUS.. T. 635 MECHANISM OF HARD SELF-EXCITED VIBRATION IN POPPET VALVE CIRCUIT S. HAYASHI - T. KURAHASHI - T. HAYASE 641 A PULSE MODULATED CONTROL VALVE WITH PRESSURE UP TO 500 BAR G. ROEKER - H. LANDHEE T. VAN DALE. 647 MECHANICS TuP 9 16:10 AN INVESTIGATION OF UNSTEADY EFFECTS OF PULSED INCOMPRESSIBLE FLOWS IN A CIRCULAR PIPE V. VIKTOROV. 653 DYNAMIC BEHAVIOR OF VORTICES IN A SYMMETRIC SINUSOIDAL WAVY-WALLED CHANNEL FOR PULSATILE FLOW T. NISHIMURA S. MATSUNE 657 A NEW REAL TIME SIGNAL ANALYSIS WITH WAVELETS: ITS APPLICATION TO FLOW MEASUREMENT F. TAKEDA. 663

8 vn COMPUTER AIDED FLOW VISUALIZATION AND MEASUREMENT OF VORTEX FLOWS PAST AN AIRFOIL IN OSCILLATION K. OHMI -M. COUTANCEAU. 673 VISUALIZATION TuPlO 16:10 VISUALIZATION OF THE ROTATING STALL IN THE MIXED-FLOW TURBOMACHINES T. SAKAI - K TEZUKA N.ITO- Y. NIIZEKI. 679 INFRARED THERMOGRAPHY AS A FLOW VISUALIZATION TOOL R.H. PAGE 685 VISUALIZATION OF BUOYANCY-DRIVEN EXCHANGE FLOW BETWEEN HELIUM AND AIR THROUGH A SMALL OPENNING M. KAVfAHASHI - K HOSOI -H. HIRAHARA - D. FUKUI - M. FUMIZAWA. 691 VISUALISATION OF THE FLOW INTO AND OUT OF A SHARP-EDGED AND A ROUND-EDGED HOLE IN A DUCT WALL L. MARTINS J.H. WHITELAW. '. 697

Chapter 10. Flow Rate. Flow Rate. Flow Measurements. The velocity of the flow is described at any

Chapter 10. Flow Rate. Flow Rate. Flow Measurements. The velocity of the flow is described at any Chapter 10 Flow Measurements Material from Theory and Design for Mechanical Measurements; Figliola, Third Edition Flow Rate Flow rate can be expressed in terms of volume flow rate (volume/time) or mass

More information

Fundamentals of Fluid Mechanics

Fundamentals of Fluid Mechanics Sixth Edition. Fundamentals of Fluid Mechanics International Student Version BRUCE R. MUNSON DONALD F. YOUNG Department of Aerospace Engineering and Engineering Mechanics THEODORE H. OKIISHI Department

More information

INTRODUCTION TO FLUID MECHANICS

INTRODUCTION TO FLUID MECHANICS INTRODUCTION TO FLUID MECHANICS SIXTH EDITION ROBERT W. FOX Purdue University ALAN T. MCDONALD Purdue University PHILIP J. PRITCHARD Manhattan College JOHN WILEY & SONS, INC. CONTENTS CHAPTER 1 INTRODUCTION

More information

Lecture 6 - Boundary Conditions. Applied Computational Fluid Dynamics

Lecture 6 - Boundary Conditions. Applied Computational Fluid Dynamics Lecture 6 - Boundary Conditions Applied Computational Fluid Dynamics Instructor: André Bakker http://www.bakker.org André Bakker (2002-2006) Fluent Inc. (2002) 1 Outline Overview. Inlet and outlet boundaries.

More information

CFD Analysis of a butterfly valve in a compressible fluid

CFD Analysis of a butterfly valve in a compressible fluid CFD Analysis of a butterfly valve in a compressible fluid 1 G.TAMIZHARASI, 2 S.KATHIRESAN 1 Assistant Professor,Professor,Departmentment of Electronics and Instrumentation,Bharath university, chennai.

More information

ABB Flowmeters Review of industrial processing flowmeters

ABB Flowmeters Review of industrial processing flowmeters White paper ABB Flowmeters Review of industrial processing flowmeters Understanding flowmeters and their pros and cons By Ron DiGiacomo, ABB Measurement Products One of the most critical measurements in

More information

4.What is the appropriate dimensionless parameter to use in comparing flow types? YOUR ANSWER: The Reynolds Number, Re.

4.What is the appropriate dimensionless parameter to use in comparing flow types? YOUR ANSWER: The Reynolds Number, Re. CHAPTER 08 1. What is most likely to be the main driving force in pipe flow? A. Gravity B. A pressure gradient C. Vacuum 2.What is a general description of the flow rate in laminar flow? A. Small B. Large

More information

Part IV. Conclusions

Part IV. Conclusions Part IV Conclusions 189 Chapter 9 Conclusions and Future Work CFD studies of premixed laminar and turbulent combustion dynamics have been conducted. These studies were aimed at explaining physical phenomena

More information

Keywords: CFD, heat turbomachinery, Compound Lean Nozzle, Controlled Flow Nozzle, efficiency.

Keywords: CFD, heat turbomachinery, Compound Lean Nozzle, Controlled Flow Nozzle, efficiency. CALCULATION OF FLOW CHARACTERISTICS IN HEAT TURBOMACHINERY TURBINE STAGE WITH DIFFERENT THREE DIMENSIONAL SHAPE OF THE STATOR BLADE WITH ANSYS CFX SOFTWARE A. Yangyozov *, R. Willinger ** * Department

More information

Abaqus/CFD Sample Problems. Abaqus 6.10

Abaqus/CFD Sample Problems. Abaqus 6.10 Abaqus/CFD Sample Problems Abaqus 6.10 Contents 1. Oscillatory Laminar Plane Poiseuille Flow 2. Flow in Shear Driven Cavities 3. Buoyancy Driven Flow in Cavities 4. Turbulent Flow in a Rectangular Channel

More information

Heat Transfer Prof. Dr. Ale Kumar Ghosal Department of Chemical Engineering Indian Institute of Technology, Guwahati

Heat Transfer Prof. Dr. Ale Kumar Ghosal Department of Chemical Engineering Indian Institute of Technology, Guwahati Heat Transfer Prof. Dr. Ale Kumar Ghosal Department of Chemical Engineering Indian Institute of Technology, Guwahati Module No. # 04 Convective Heat Transfer Lecture No. # 03 Heat Transfer Correlation

More information

Accurate Air Flow Measurement in Electronics Cooling

Accurate Air Flow Measurement in Electronics Cooling Accurate Air Flow Measurement in Electronics Cooling Joachim Preiss, Raouf Ismail Cambridge AccuSense, Inc. E-mail: info@degreec.com Air is the most commonly used medium to remove heat from electronics

More information

Platform Technology for Computational Fluid Dynamics Supporting Design of System Products

Platform Technology for Computational Fluid Dynamics Supporting Design of System Products Hitachi Review Vol. 61 (2012), No. 6 244 Platform Technology for Computational Fluid Dynamics Supporting Design of System Products from Power Plants and Industrial Machinery to Home Appliances Shigehisa

More information

Simulation of Flow Field and Particle Trajectories in Hard Disk Drive Enclosures

Simulation of Flow Field and Particle Trajectories in Hard Disk Drive Enclosures Simulation of Flow Field and Particle Trajectories in Hard Disk Drive Enclosures H. Song*, M. Damodaran*and Quock Y. Ng** *Singapore-Massachusetts Institute of Technology Alliance (SMA) Nanyang Technological

More information

CE 6303 MECHANICS OF FLUIDS L T P C QUESTION BANK PART - A

CE 6303 MECHANICS OF FLUIDS L T P C QUESTION BANK PART - A CE 6303 MECHANICS OF FLUIDS L T P C QUESTION BANK 3 0 0 3 UNIT I FLUID PROPERTIES AND FLUID STATICS PART - A 1. Define fluid and fluid mechanics. 2. Define real and ideal fluids. 3. Define mass density

More information

Keywords: Heat transfer enhancement; staggered arrangement; Triangular Prism, Reynolds Number. 1. Introduction

Keywords: Heat transfer enhancement; staggered arrangement; Triangular Prism, Reynolds Number. 1. Introduction Heat transfer augmentation in rectangular channel using four triangular prisms arrange in staggered manner Manoj Kumar 1, Sunil Dhingra 2, Gurjeet Singh 3 1 Student, 2,3 Assistant Professor 1.2 Department

More information

191: Calibration and Standards in Flow Measurement. Richard Paton National Engineering Laboratory, Scotland, UK 1 GENERAL PRINCIPLES

191: Calibration and Standards in Flow Measurement. Richard Paton National Engineering Laboratory, Scotland, UK 1 GENERAL PRINCIPLES 191: Calibration and Standards in Measurement Richard Paton National Engineering Laboratory, Scotland, UK 1 General Principles 1 2 Gravimetric Calibration of Liquid meters 2 3 Volumetric Calibration of

More information

Energy and Flow Measurement for Hydronic Systems

Energy and Flow Measurement for Hydronic Systems Energy and Flow Measurement for Hydronic Systems Presented By: George Szyszko Applications Consultant MCR for ONICON Incorporated Why Measure Thermal Energy? To control something, you must first measure

More information

O.F.Wind Wind Site Assessment Simulation in complex terrain based on OpenFOAM. Darmstadt, 27.06.2012

O.F.Wind Wind Site Assessment Simulation in complex terrain based on OpenFOAM. Darmstadt, 27.06.2012 O.F.Wind Wind Site Assessment Simulation in complex terrain based on OpenFOAM Darmstadt, 27.06.2012 Michael Ehlen IB Fischer CFD+engineering GmbH Lipowskystr. 12 81373 München Tel. 089/74118743 Fax 089/74118749

More information

inter.noise 2000 The 29th International Congress and Exhibition on Noise Control Engineering 27-30 August 2000, Nice, FRANCE

inter.noise 2000 The 29th International Congress and Exhibition on Noise Control Engineering 27-30 August 2000, Nice, FRANCE Copyright SFA - InterNoise 2000 1 inter.noise 2000 The 29th International Congress and Exhibition on Noise Control Engineering 27-30 August 2000, Nice, FRANCE I-INCE Classification: 2.1 WHISTLING PHENOMENA

More information

Distinguished Professor George Washington University. Graw Hill

Distinguished Professor George Washington University. Graw Hill Mechanics of Fluids Fourth Edition Irving H. Shames Distinguished Professor George Washington University Graw Hill Boston Burr Ridge, IL Dubuque, IA Madison, Wl New York San Francisco St. Louis Bangkok

More information

RESEARCH PROJECTS. For more information about our research projects please contact us at: info@naisengineering.com

RESEARCH PROJECTS. For more information about our research projects please contact us at: info@naisengineering.com RESEARCH PROJECTS For more information about our research projects please contact us at: info@naisengineering.com Or visit our web site at: www.naisengineering.com 2 Setup of 1D Model for the Simulation

More information

Thermal Dispersion Mass Flow

Thermal Dispersion Mass Flow Thermatel Thermal Dispersion Mass Flow Measurement Handbook Table of Contents Introduction...1 What is Mass Flow Measurement?...1 Types of Flow Transmitters...4 Differential Pressure...4 Orifice...4 Venturi...6

More information

FLUID FLOW STREAMLINE LAMINAR FLOW TURBULENT FLOW REYNOLDS NUMBER

FLUID FLOW STREAMLINE LAMINAR FLOW TURBULENT FLOW REYNOLDS NUMBER VISUAL PHYSICS School of Physics University of Sydney Australia FLUID FLOW STREAMLINE LAMINAR FLOW TURBULENT FLOW REYNOLDS NUMBER? What type of fluid flow is observed? The above pictures show how the effect

More information

NUCLEAR ENERGY RESEARCH INITIATIVE

NUCLEAR ENERGY RESEARCH INITIATIVE NUCLEAR ENERGY RESEARCH INITIATIVE Experimental and CFD Analysis of Advanced Convective Cooling Systems PI: Victor M. Ugaz and Yassin A. Hassan, Texas Engineering Experiment Station Collaborators: None

More information

Grant Agreement No. 228296 SFERA. Solar Facilities for the European Research Area SEVENTH FRAMEWORK PROGRAMME. Capacities Specific Programme

Grant Agreement No. 228296 SFERA. Solar Facilities for the European Research Area SEVENTH FRAMEWORK PROGRAMME. Capacities Specific Programme Grant Agreement No. 228296 SFERA Solar Facilities for the European Research Area SEVENTH FRAMEWORK PROGRAMME Capacities Specific Programme Research Infrastructures Integrating Activity - Combination of

More information

Contents. Microfluidics - Jens Ducrée Physics: Fluid Dynamics 1

Contents. Microfluidics - Jens Ducrée Physics: Fluid Dynamics 1 Contents 1. Introduction 2. Fluids 3. Physics of Microfluidic Systems 4. Microfabrication Technologies 5. Flow Control 6. Micropumps 7. Sensors 8. Ink-Jet Technology 9. Liquid Handling 10.Microarrays 11.Microreactors

More information

NUMERICAL ANALYSIS OF THE EFFECTS OF WIND ON BUILDING STRUCTURES

NUMERICAL ANALYSIS OF THE EFFECTS OF WIND ON BUILDING STRUCTURES Vol. XX 2012 No. 4 28 34 J. ŠIMIČEK O. HUBOVÁ NUMERICAL ANALYSIS OF THE EFFECTS OF WIND ON BUILDING STRUCTURES Jozef ŠIMIČEK email: jozef.simicek@stuba.sk Research field: Statics and Dynamics Fluids mechanics

More information

FLow pattern around cable and its aerodynamic characteristics in critical Reynolds number range

FLow pattern around cable and its aerodynamic characteristics in critical Reynolds number range The 22 World Congress on Advances in Civil, Environmental, and Materials Research (ACEM 2) Seoul, Korea, August 26-3, 22 FLow pattern around cable and its aerodynamic characteristics in critical Reynolds

More information

Thermal Flow Sensors. Anemometers. Calorimeters. Ensemble of both

Thermal Flow Sensors. Anemometers. Calorimeters. Ensemble of both Thermal Flow Sensors Anemometers Calorimeters Ensemble of both IST Presentation V4-2005 www.ist-ag.com 1 Constant Temperature Anemometer At the heart of a thermal anemometer are two sensors: an air velocity

More information

Finite Element Analysis for Acoustic Behavior of a Refrigeration Compressor

Finite Element Analysis for Acoustic Behavior of a Refrigeration Compressor Finite Element Analysis for Acoustic Behavior of a Refrigeration Compressor Swapan Kumar Nandi Tata Consultancy Services GEDC, 185 LR, Chennai 600086, India Abstract When structures in contact with a fluid

More information

Design and Analysis of Various Bluff Objects for Vortex flow meters

Design and Analysis of Various Bluff Objects for Vortex flow meters Design and Analysis of Various Bluff Objects for Vortex flow meters T. Milinda Purna 1, L. Aarya 2, K. Lakshmi Nageswari 3 1 Assistant Professor, Department Of Electronics & Instrumentation, Sree Vidyanikethan

More information

CFD Analysis of Supersonic Exhaust Diffuser System for Higher Altitude Simulation

CFD Analysis of Supersonic Exhaust Diffuser System for Higher Altitude Simulation Page1 CFD Analysis of Supersonic Exhaust Diffuser System for Higher Altitude Simulation ABSTRACT Alan Vincent E V P G Scholar, Nehru Institute of Engineering and Technology, Coimbatore Tamil Nadu A high

More information

Chapter 5 MASS, BERNOULLI AND ENERGY EQUATIONS

Chapter 5 MASS, BERNOULLI AND ENERGY EQUATIONS Fluid Mechanics: Fundamentals and Applications, 2nd Edition Yunus A. Cengel, John M. Cimbala McGraw-Hill, 2010 Chapter 5 MASS, BERNOULLI AND ENERGY EQUATIONS Lecture slides by Hasan Hacışevki Copyright

More information

Flow Measurement in Pipes and Ducts. Flow Measurement in Pipes and Ducts, Course #503. Presented by:

Flow Measurement in Pipes and Ducts. Flow Measurement in Pipes and Ducts, Course #503. Presented by: Flow Measurement in Pipes and Ducts, Course #503 Presented by: PDH Enterprises, LLC PO Box 942 Morrisville, NC 27560 www.pdhsite.com This course is about measurement of the flow rate of a fluid flowing

More information

Differential Relations for Fluid Flow. Acceleration field of a fluid. The differential equation of mass conservation

Differential Relations for Fluid Flow. Acceleration field of a fluid. The differential equation of mass conservation Differential Relations for Fluid Flow In this approach, we apply our four basic conservation laws to an infinitesimally small control volume. The differential approach provides point by point details of

More information

Using Computational Fluid Dynamics (CFD) Simulation to Model Fluid Motion in Process Vessels on Fixed and Floating Platforms

Using Computational Fluid Dynamics (CFD) Simulation to Model Fluid Motion in Process Vessels on Fixed and Floating Platforms Using Computational Fluid Dynamics (CFD) Simulation to Model Fluid Motion in Process Vessels on Fixed and Floating Platforms Dr. Ted Frankiewicz Dr. Chang-Ming Lee NATCO Group Houston, TX USA IBC 9 th

More information

Using CFD to improve the design of a circulating water channel

Using CFD to improve the design of a circulating water channel 2-7 December 27 Using CFD to improve the design of a circulating water channel M.G. Pullinger and J.E. Sargison School of Engineering University of Tasmania, Hobart, TAS, 71 AUSTRALIA Abstract Computational

More information

University Turbine Systems Research 2012 Fellowship Program Final Report. Prepared for: General Electric Company

University Turbine Systems Research 2012 Fellowship Program Final Report. Prepared for: General Electric Company University Turbine Systems Research 2012 Fellowship Program Final Report Prepared for: General Electric Company Gas Turbine Aerodynamics Marion Building 300 Garlington Rd Greenville, SC 29615, USA Prepared

More information

HEAT TRANSFER ANALYSIS IN A 3D SQUARE CHANNEL LAMINAR FLOW WITH USING BAFFLES 1 Vikram Bishnoi

HEAT TRANSFER ANALYSIS IN A 3D SQUARE CHANNEL LAMINAR FLOW WITH USING BAFFLES 1 Vikram Bishnoi HEAT TRANSFER ANALYSIS IN A 3D SQUARE CHANNEL LAMINAR FLOW WITH USING BAFFLES 1 Vikram Bishnoi 2 Rajesh Dudi 1 Scholar and 2 Assistant Professor,Department of Mechanical Engineering, OITM, Hisar (Haryana)

More information

Flow Sensors. - mass flow rate - volume flow rate - velocity. - stream line parabolic velocity profile - turbulent vortices. Methods of measurement

Flow Sensors. - mass flow rate - volume flow rate - velocity. - stream line parabolic velocity profile - turbulent vortices. Methods of measurement Flow Sensors Flow - mass flow rate - volume flow rate - velocity Types of flow - stream line parabolic velocity profile - turbulent vortices Methods of measurement - direct: positive displacement (batch

More information

THE THERMAL FLOW METER, A GAS METER FOR ENERGY MEASUREMENT

THE THERMAL FLOW METER, A GAS METER FOR ENERGY MEASUREMENT THE THERMAL FLOW METER, A GAS METER FOR ENERGY MEASUREMENT Kazuto Otakane, Tokyo Gas Co., Ltd Katsuhito Sakai, Tokyo Gas Co., Ltd Minoru Seto, Tokyo Gas Co., Ltd 1. INTRODUCTION Tokyo Gas s new gas meter,

More information

FLUID FLOW Introduction General Description

FLUID FLOW Introduction General Description FLUID FLOW Introduction Fluid flow is an important part of many processes, including transporting materials from one point to another, mixing of materials, and chemical reactions. In this experiment, you

More information

CFD Analysis Of Multi-Phase Flow And Its Measurements

CFD Analysis Of Multi-Phase Flow And Its Measurements IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) e-issn: 2278-1684,p-ISSN: 2320-334X, Volume 9, Issue 4 (Nov. - Dec. 2013), PP 30-37 CFD Analysis Of Multi-Phase Flow And Its Measurements C

More information

Experimental Wind Turbine Aerodynamics Research @LANL

Experimental Wind Turbine Aerodynamics Research @LANL Experimental Wind Turbine Aerodynamics Research @LANL B. J. Balakumar, Los Alamos National Laboratory Acknowledgment: SuhasPol(Post-doc), John Hoffman, Mario Servin, Eduardo Granados (Summer students),

More information

Pushing the limits. Turbine simulation for next-generation turbochargers

Pushing the limits. Turbine simulation for next-generation turbochargers Pushing the limits Turbine simulation for next-generation turbochargers KWOK-KAI SO, BENT PHILLIPSEN, MAGNUS FISCHER Computational fluid dynamics (CFD) has matured and is now an indispensable tool for

More information

Use of OpenFoam in a CFD analysis of a finger type slug catcher. Dynaflow Conference 2011 January 13 2011, Rotterdam, the Netherlands

Use of OpenFoam in a CFD analysis of a finger type slug catcher. Dynaflow Conference 2011 January 13 2011, Rotterdam, the Netherlands Use of OpenFoam in a CFD analysis of a finger type slug catcher Dynaflow Conference 2011 January 13 2011, Rotterdam, the Netherlands Agenda Project background Analytical analysis of two-phase flow regimes

More information

Perspective on R&D Needs for Gas Turbine Power Generation

Perspective on R&D Needs for Gas Turbine Power Generation Perspective on R&D Needs for Gas Turbine Power Generation Eli Razinsky Solar Turbine Incorporated 2010 UTSR Workshop October 26, 2011 1 Research Requirements Overview Specific Requirements 2 Society Requirements

More information

Experimentation and Computational Fluid Dynamics Modelling of Roughness Effects in Flexible Pipelines

Experimentation and Computational Fluid Dynamics Modelling of Roughness Effects in Flexible Pipelines Experimentation and Computational Fluid Dynamics Modelling of Roughness Effects in Flexible Pipelines Sophie Yin Jeremy Leggoe School of Mechanical and Chemical Engineering Daniel Teng Paul Pickering CEED

More information

Comparative Analysis of Gas Turbine Blades with and without Turbulators

Comparative Analysis of Gas Turbine Blades with and without Turbulators Comparative Analysis of Gas Turbine Blades with and without Turbulators Sagar H T 1, Kishan Naik 2 1 PG Student, Dept. of Studies in Mechanical Engineering, University BDT College of Engineering, Davangere,

More information

Graduate Courses in Mechanical Engineering

Graduate Courses in Mechanical Engineering Graduate Courses in Mechanical Engineering MEEG 501 ADVANCED MECHANICAL ENGINEERING ANALYSIS An advanced, unified approach to the solution of mechanical engineering problems, with emphasis on the formulation

More information

CFD Simulation of Subcooled Flow Boiling using OpenFOAM

CFD Simulation of Subcooled Flow Boiling using OpenFOAM Research Article International Journal of Current Engineering and Technology E-ISSN 2277 4106, P-ISSN 2347-5161 2014 INPRESSCO, All Rights Reserved Available at http://inpressco.com/category/ijcet CFD

More information

measurement, but almost any pipe elbow can be calibrated Elbow meters are not as potentially accurate as venturi,

measurement, but almost any pipe elbow can be calibrated Elbow meters are not as potentially accurate as venturi, Lecture 14 Flow Measurement in Pipes I. Elbow Meters An elbow in a pipe can be used as a flow measuring device much in the same way as a venturi or orifice plate The head differential across the elbow

More information

International journal of Engineering Research-Online A Peer Reviewed International Journal Articles available online http://www.ijoer.

International journal of Engineering Research-Online A Peer Reviewed International Journal Articles available online http://www.ijoer. REVIEW ARTICLE ISSN: 2321-7758 REVIEW OF HEAT TRANSFER AUGMENTATION TECHNIQUES MANOJ HAJARE, CHETAN DEORE, KAVITA KHARDE, PUSHKAR RAWALE, VIVEK DALVI Department of Mechanical Engineering, SITRC, NASHIK

More information

DEVELOPMENT OF HIGH SPEED RESPONSE LAMINAR FLOW METER FOR AIR CONDITIONING

DEVELOPMENT OF HIGH SPEED RESPONSE LAMINAR FLOW METER FOR AIR CONDITIONING DEVELOPMENT OF HIGH SPEED RESPONSE LAMINAR FLOW METER FOR AIR CONDITIONING Toshiharu Kagawa 1, Yukako Saisu 2, Riki Nishimura 3 and Chongho Youn 4 ABSTRACT In this paper, we developed a new laminar flow

More information

Insights to flow induced vibrations in computer hard disks

Insights to flow induced vibrations in computer hard disks Insights to flow induced vibrations in computer hard disks T. H. Yip, M. A. Suriadi, S. C. M. Yu & E. H. Ong Data Storage Institute, A-STAR Singapore MPE School, Nan. Tech. U., Singapore Abstract Read/write

More information

Computational Fluid Dynamic Modeling Applications

Computational Fluid Dynamic Modeling Applications Computational Fluid Dynamic Modeling Applications Canadian Heavy Oil Conference Dr. Marvin Weiss What is CFD Computational Fluid Dynamics Colorful Fluid Dynamics Colors For Directors Carefully Fitted Data

More information

Aeration Air & Digester Gas Flow Metering Using Thermal Mass Technology. HWEA 2011 Conference Craig S. Johnson

Aeration Air & Digester Gas Flow Metering Using Thermal Mass Technology. HWEA 2011 Conference Craig S. Johnson Aeration Air & Digester Gas Flow Metering Using Thermal Mass Technology HWEA 2011 Conference Craig S. Johnson Presentation Overview Introduction Aeration Air & Digester gas challenges Gas flow metering

More information

Lecture 8 - Turbulence. Applied Computational Fluid Dynamics

Lecture 8 - Turbulence. Applied Computational Fluid Dynamics Lecture 8 - Turbulence Applied Computational Fluid Dynamics Instructor: André Bakker http://www.bakker.org André Bakker (2002-2006) Fluent Inc. (2002) 1 Turbulence What is turbulence? Effect of turbulence

More information

Lecture 4 Classification of Flows. Applied Computational Fluid Dynamics

Lecture 4 Classification of Flows. Applied Computational Fluid Dynamics Lecture 4 Classification of Flows Applied Computational Fluid Dynamics Instructor: André Bakker http://www.bakker.org André Bakker (00-006) Fluent Inc. (00) 1 Classification: fluid flow vs. granular flow

More information

Flow Assurance & Operability

Flow Assurance & Operability Flow Assurance & Operability Erosion due to sand production Date Business Name Overview 1. What causes erosion? 2. Sand production and transport 3. Sand management 4. Instrumentation / monitoring of sand

More information

Transactions on Engineering Sciences vol 5, 1994 WIT Press, www.witpress.com, ISSN 1743-3533

Transactions on Engineering Sciences vol 5, 1994 WIT Press, www.witpress.com, ISSN 1743-3533 Laminar flow forced convective heat transfer in a helical square duct with a finite pitch C.J. Bolinder & B. Sunden Division of Heat Transfer, Lund Institute of Technology, Box 118, 221 00 Lund, Sweden

More information

Chapter 8: Flow in Pipes

Chapter 8: Flow in Pipes Objectives 1. Have a deeper understanding of laminar and turbulent flow in pipes and the analysis of fully developed flow 2. Calculate the major and minor losses associated with pipe flow in piping networks

More information

TECHNICAL INFORMATION Bulletin

TECHNICAL INFORMATION Bulletin Peerless Pump Company 2005 Dr. M.L. King Jr. Street, P.O. Box 7026, Indianapolis, IN 46207-7026, USA Telephone: (317) 925-9661 Fax: (317) 924-7338 www.peerlesspump.com www.epumpdoctor.com TECHNICAL INFORMATION

More information

Laminar and Turbulent flow. Flow Sensors. Reynolds Number. Thermal flow Sensor. Flow and Flow rate. R = Mass Flow controllers

Laminar and Turbulent flow. Flow Sensors. Reynolds Number. Thermal flow Sensor. Flow and Flow rate. R = Mass Flow controllers Flow and Flow rate. Laminar and Turbulent flow Laminar flow: smooth, orderly and regular Mechanical sensors have inertia, which can integrate out small variations due to turbulence Turbulent flow: chaotic

More information

Control ball valves for severe services. Author: Michele Ferrante, PARCOL S.p.A., Italy

Control ball valves for severe services. Author: Michele Ferrante, PARCOL S.p.A., Italy Control ball valves for severe services Author: Michele Ferrante, PARCOL S.p.A., Italy Control valves are primarily classified according to the type of their obturator motion which can be linear or rotary.

More information

NUMERICAL ANALYSIS OF WELLS TURBINE FOR WAVE POWER CONVERSION

NUMERICAL ANALYSIS OF WELLS TURBINE FOR WAVE POWER CONVERSION Engineering Review Vol. 32, Issue 3, 141-146, 2012. 141 NUMERICAL ANALYSIS OF WELLS TURBINE FOR WAVE POWER CONVERSION Z. 1* L. 1 V. 2 M. 1 1 Department of Fluid Mechanics and Computational Engineering,

More information

Performance prediction of a centrifugal pump working in direct and reverse mode using Computational Fluid Dynamics

Performance prediction of a centrifugal pump working in direct and reverse mode using Computational Fluid Dynamics European Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ) International Conference on Renewable Energies and Power Quality (ICREPQ 10) Granada (Spain), 23rd

More information

Dependency of heat transfer rate on the Brinkman number in microchannels

Dependency of heat transfer rate on the Brinkman number in microchannels Dependency of heat transfer rate on the Brinkman number in microchannels Hee Sung Park Stokes Institute, University of Limerick, Limerick, Ireland Abstract Heat generation from electronics increases with

More information

Schematic Symbols Chart (Design Hydraulic and Pneumatic circits)

Schematic Symbols Chart (Design Hydraulic and Pneumatic circits) Page 1 of 6 (Home) Symbols / Visit us on: Fluid Power, Automation and Motion Control for all Industries About Us Products Services Catalogs Place an Order Training & Information Contact Us Employee Access

More information

Chapter 19 - Common Rail High Pressure Fuel Injection Systems

Chapter 19 - Common Rail High Pressure Fuel Injection Systems Chapter 19 - Common Rail High Pressure Fuel Injection Systems Diesel Engine Technology For Automotive Technicians Understanding & Servicing Contemporary Clean Diesel Technology What is Common Rail? Common

More information

Numerical and experimental investigation on flow field characteristics of organ pipe nozzle

Numerical and experimental investigation on flow field characteristics of organ pipe nozzle Home Search Collections Journals About Contact us My IOPscience Numerical and experimental investigation on flow field characteristics of organ pipe nozzle This content has been downloaded from IOPscience.

More information

Fluid Flow Instrumentation

Fluid Flow Instrumentation Fluid Flow Instrumentation In the physical world, mechanical engineers are frequently required to monitor or control the flow of various fluids through pipes, ducts and assorted vessels. This fluid can

More information

Automatic Back-Flushing Filter AutoFilt RF9.

Automatic Back-Flushing Filter AutoFilt RF9. Automatic Back-Flushing Filter AutoFilt RF9. AutoFilt RF9 Clearing the Way. The Challenge: In response to the Tier III standard which will come into effect in 2016, the International Maritime Organization

More information

HEAVY OIL FLOW MEASUREMENT CHALLENGES

HEAVY OIL FLOW MEASUREMENT CHALLENGES HEAVY OIL FLOW MEASUREMENT CHALLENGES 1 INTRODUCTION The vast majority of the world s remaining oil reserves are categorised as heavy / unconventional oils (high viscosity). Due to diminishing conventional

More information

COUNTERBALANCE VALVES

COUNTERBALANCE VALVES COUNTERBALANCE VALVES Introduction They are modulating valves which allow free flow into the actuator and then block the reverse flow until they feel a pilot pressure inversely proportional to the load

More information

CFD Code Validation Against Stratified Air-Water Flow Experimental Data

CFD Code Validation Against Stratified Air-Water Flow Experimental Data CFD Code Validation Against Stratified Air-Water Flow F. Terzuoli, M.C. Galassi, D. Mazzini, F. D Auria University of Pisa Department of Mechanics, Nuclear and Production Engineering Via Diotisalvi 2,

More information

Computational Modeling of Wind Turbines in OpenFOAM

Computational Modeling of Wind Turbines in OpenFOAM Computational Modeling of Wind Turbines in OpenFOAM Hamid Rahimi hamid.rahimi@uni-oldenburg.de ForWind - Center for Wind Energy Research Institute of Physics, University of Oldenburg, Germany Outline Computational

More information

Experiment (13): Flow channel

Experiment (13): Flow channel Introduction: An open channel is a duct in which the liquid flows with a free surface exposed to atmospheric pressure. Along the length of the duct, the pressure at the surface is therefore constant and

More information

Numerical Investigation of Heat Transfer Characteristics in A Square Duct with Internal RIBS

Numerical Investigation of Heat Transfer Characteristics in A Square Duct with Internal RIBS merical Investigation of Heat Transfer Characteristics in A Square Duct with Internal RIBS Abhilash Kumar 1, R. SaravanaSathiyaPrabhahar 2 Mepco Schlenk Engineering College, Sivakasi, Tamilnadu India 1,

More information

Engineering & Expertise Designing Pump Sumps

Engineering & Expertise Designing Pump Sumps Engineering & Expertise Designing Pump Sumps Formed Suction Intake Engineering & Expertise Total solution engineering increases operational efficiency Introduction The primary function of a propeller pump

More information

Along-wind self-excited forces of two-dimensional cables under extreme wind speeds

Along-wind self-excited forces of two-dimensional cables under extreme wind speeds The Seventh International Colloquium on Bluff Body Aerodynamics and Applications (BBAA7) Shanghai, China; September 2-6, 2012 Along-wind self-excited forces of two-dimensional cables under extreme wind

More information

Basics of vehicle aerodynamics

Basics of vehicle aerodynamics Basics of vehicle aerodynamics Prof. Tamás Lajos Budapest University of Technology and Economics Department of Fluid Mechanics University of Rome La Sapienza 2002 Influence of flow characteristics on the

More information

Practice Problems on Boundary Layers. Answer(s): D = 107 N D = 152 N. C. Wassgren, Purdue University Page 1 of 17 Last Updated: 2010 Nov 22

Practice Problems on Boundary Layers. Answer(s): D = 107 N D = 152 N. C. Wassgren, Purdue University Page 1 of 17 Last Updated: 2010 Nov 22 BL_01 A thin flat plate 55 by 110 cm is immersed in a 6 m/s stream of SAE 10 oil at 20 C. Compute the total skin friction drag if the stream is parallel to (a) the long side and (b) the short side. D =

More information

Interactive Computer Based Courses

Interactive Computer Based Courses These SKF Self-Learning Tools (SLT) are a onestop interactive solution for students at various levels including the students of mechanical and other engineering streams. They eliminate the need to take

More information

CFD Based Air Flow and Contamination Modeling of Subway Stations

CFD Based Air Flow and Contamination Modeling of Subway Stations CFD Based Air Flow and Contamination Modeling of Subway Stations Greg Byrne Center for Nonlinear Science, Georgia Institute of Technology Fernando Camelli Center for Computational Fluid Dynamics, George

More information

FLUID MECHANICS IM0235 DIFFERENTIAL EQUATIONS - CB0235 2014_1

FLUID MECHANICS IM0235 DIFFERENTIAL EQUATIONS - CB0235 2014_1 COURSE CODE INTENSITY PRE-REQUISITE CO-REQUISITE CREDITS ACTUALIZATION DATE FLUID MECHANICS IM0235 3 LECTURE HOURS PER WEEK 48 HOURS CLASSROOM ON 16 WEEKS, 32 HOURS LABORATORY, 112 HOURS OF INDEPENDENT

More information

ENHANCEMENT OF HEAT TRANSFER USING WIRE COIL INSERTS WITH CHORD RIBS

ENHANCEMENT OF HEAT TRANSFER USING WIRE COIL INSERTS WITH CHORD RIBS ENHANCEMENT OF HEAT TRANSFER USING WIRE COIL INSERTS WITH CHORD RIBS 1 P.S.Desale, 2 N.C.Ghuge 1 PG Student, Heat Power, MCERC, Nasik (India) 2 Asst. Prof., Mech. Dept., MCERC,Nasik(India) ABSTRACT From

More information

ME6130 An introduction to CFD 1-1

ME6130 An introduction to CFD 1-1 ME6130 An introduction to CFD 1-1 What is CFD? Computational fluid dynamics (CFD) is the science of predicting fluid flow, heat and mass transfer, chemical reactions, and related phenomena by solving numerically

More information

NEW DEVELOPMENTS IN FLOW AND PIPE MANAGEMENT CAPABILITIES THROUGH NEW VELOCITY PROFILE MEASUREMENT AND PIPE WALL WEAR MONITORING INSTRUMENTATION

NEW DEVELOPMENTS IN FLOW AND PIPE MANAGEMENT CAPABILITIES THROUGH NEW VELOCITY PROFILE MEASUREMENT AND PIPE WALL WEAR MONITORING INSTRUMENTATION NEW DEVELOPMENTS IN FLOW AND PIPE MANAGEMENT CAPABILITIES THROUGH NEW VELOCITY PROFILE MEASUREMENT AND PIPE WALL WEAR MONITORING INSTRUMENTATION Christian O Keefe, CiDRA Minerals Processing, Inc., Wallingford,

More information

FAN PROTECTION AGAINST STALLING PHENOMENON

FAN PROTECTION AGAINST STALLING PHENOMENON FAN PROTECTION AGAINST STALLING PHENOMENON Roberto Arias Álvarez 1 Javier Fernández López 2 2 1 ZITRON Technical Director roberto@zitron.com ZITRON Technical Pre Sales Management jfernandez@zitron.com

More information

Investigation of Air Flow passing through Louvers

Investigation of Air Flow passing through Louvers Technical Paper Investigation of Air Flow passing through Louvers Toshikazu Nakanishi Tamotsu Nakamura Youichirou Watanabe Katsumasa Handou Takahiro Kiwata The structure of louvers installed in the air

More information

CFD: What is it good for?

CFD: What is it good for? CFD: What is it good for? Tom O Mahoney TNO Fluid Dynamics Introduction to CFD CFD - Computational Fluid Dynamics Computational the using of computers to simulate the physics of fluids Fluid Either gas

More information

CFD and EXPERIMENTAL ANALYSIS of VORTEX SHEDDING BEHIND D-SHAPED CYLINDER

CFD and EXPERIMENTAL ANALYSIS of VORTEX SHEDDING BEHIND D-SHAPED CYLINDER CFD and EXPERIMENTAL ANALYSIS of VORTEX SHEDDING BEHIND D-SHAPED CYLINDER Chandrakant D. Mhalungekar Department of Mechanical Engineering, MIT College of Engineering, Pune 411038, Pune University, India.

More information

Mixing in the process industry: Chemicals Food Pharmaceuticals Paper Polymers Minerals Environmental. Chemical Industry:

Mixing in the process industry: Chemicals Food Pharmaceuticals Paper Polymers Minerals Environmental. Chemical Industry: Mixing Notes: Chapter 19 Robert P. Hesketh Mixing in the process industry: Chemicals Food Pharmaceuticals Paper Polymers Minerals Environmental Chemical Industry: Paints and Coatings Synthetic Rubbers

More information

Basic Principles in Microfluidics

Basic Principles in Microfluidics Basic Principles in Microfluidics 1 Newton s Second Law for Fluidics Newton s 2 nd Law (F= ma) : Time rate of change of momentum of a system equal to net force acting on system!f = dp dt Sum of forces

More information

Steven R. McManus Environmental Product Support Teledyne Isco

Steven R. McManus Environmental Product Support Teledyne Isco Steven R. McManus Environmental Product Support Teledyne Isco Flow Measurement Applications and Technologies. Methods of flow measurement Technologies of flow measurement Flow Rate Applications Channel

More information

Multiphase Flow - Appendices

Multiphase Flow - Appendices Discovery Laboratory Multiphase Flow - Appendices 1. Creating a Mesh 1.1. What is a geometry? The geometry used in a CFD simulation defines the problem domain and boundaries; it is the area (2D) or volume

More information