New absorption chillers for high efficient solar cooling systems
|
|
|
- Chastity May
- 8 years ago
- Views:
Transcription
1 New absorption chillers for high efficient solar cooling systems Dipl.-Ing. Stefan Petersen & Dipl.-Ing. Jan Albers Foto: TU Berlin Foto: TU Berlin 1. General Technology Overview 2. Operating data 3. Solar cooling system layout 4. Showcase results 1
2 Solar air-conditioning technologies electrical systems thermal systems - PV + Vapor compression chiller - liquid sorbent closed cycles solid sorbent heat transformation processes liquid sorbent open cycles solid sorbent thermomechanical processes - steam jet cycles - rankine cycle + vapor compression chiller - absorption chiller adsorption chiller desiccant and evaporative cooling (DEC) 2
3 Basics compression chiller inner cycle condenser steam cooling water refrigerant throttle compressor electric power chilled water evaporator steam water-cooled vapor compression chiller [1] liquid refrigerant vaporous refrigerant [1] Carrier 3
4 Basics absorption chiller inner cycle condenser steam desorber cooling water hot water refrigerant throttle Chilled water evaporator steam absorber cooling water 10 kw Phönix-absorption chiller- TU Berlin refrigerant diluted solution concentrated solution 4
5 0, 7 0, 6 0, 5 0, 4 0, 3 0, 2 New absorption chillers for high efficient solar cooling systems Short general characteristic Cooling Capacity [kw] Nominal load 8New 50 kw Chiller 0, High efficient10 kw COP [-] Reject Heat Inlet Temperature [ C] 0.0 5
6 System setup thermal system configuration Heat transformation process Basic system configuration Storage almost inevitable 6
7 70 Variability Driving Heat Source t_rh=30 C, V_RH=3,8kg/s, t_cw=21/16 C Cooling Capacity [kw] K 40K 0,9 l/s 0,6 l/s 0,3 l/s 0,1 l/s Heat Source Inlet temperature [ C] 7
8 0.9 Variability Driving Heat Source t_rh=30 C, V_RH=3,8kg/s, t_cw=21/16 C COP [-] dt in/out < to.. Volumenstrom flow 0.9 l/s Volumenstrom flow 0.6 l/s Volumenstrom flow 0.3 l/s Cooling capacity [kw] 8
9 60 Variability Reject Heat Sink t_dh=90 C, V_DH=0,9kg/s, t_cw=21/16 C 3,8 l/s 50 Cooling Capacity [kw] ,0 l/s 1,5 l/s 1,0 l/s P hydraulic = 1/64*nominal = 1.5% P hydraulic = nominal =100% Reject Heat Inlet Temperature [ C] 9
10 2 1,5 1 Energetic comparison including auxiliaries auxiliary power demand p a =0 p a =1% p a =10% break even 0, ,2 0,4 0,6 0,8 1 Solar fraction 10
11 SAC-System UBA Dessau image source: Busse 11
12 Concept for solar cooling system (Dry) reject heat device KKM Compression chiller District heating AKA Solar Collectors Hot water storage Absorptionschiller Chilled water storage Cold consumer 12
13 SAC-System UBA Dessau Temperature collector outlet Temperature top of storage Solar driving temperature Chilled water outlet 13
14 Operating data and control Temperatur / C, Volumenstrom / (m³/h), Strahlung / (10 W/m²) Solar driving temperature Temperature at top Speicher of storage 1 oben Antriebstemperatur solar Flow rate in collector circuit Volumenstrom Kollektorkreis Temperatur Kollektoraustritt Temperature at collector outlet Solarstrahlung Horizontal horizontal irradiation 10 Driving Entladevolumenstrom flow rate to chiller 0 04:00 08:00 12:00 16:00 20:00 Uhrzeit am
15 Regelung und Betriebsergebnisse Temperatur / C, Leistung / kw 80 Driving Antriebstemperatur temperature Temperatur Reject heat Kühlwasser inlet temperature Eintritt 50 Driving Antriebstemperatur temperature (Sollwert) Kälteleistung Cooling load (Sollwert) (set value) 40 (set point Cooling Kälteleistung load 10 Temperatur Reject heat Kühlwasser inlet temp. (Sollwert) (set value) Temperatur Chilled water Kaltwasser temperature Austritt 0 04:00 08:00 12:00 16:00 20:00 Uhrzeit am
16 Results of first year Previous year with adsorption chiller Aug Jul First year with new absorption chiller Aug Jul Change Cold generation 104 MWh 0 59 MWh 0 Driving heat 221 MWh th 80 MWh th Thermal efficiency 0,47 MWh 0 /MWh th 0,76 MWh 0 /MWh th +62% Electrical efficiency 2,9 MWh 0 /MWh el 4,5 MWh 0 /MWh el +55% Water consumption 4,0 m³/mwh 0 1,3 m³/mwh 0 68% 16
17 Control Issues: Parasitic electricity consumption Control Strategy SEER el SEER th Classic 12,4 0,76 +Reject heat, vol.flow 17,8 0,75 +Hot Water, vol.flow 13,6 0,76 +vol.flows +reject heat temp. 20,1 0,75 SEER = Seasonal Energy Efficiency Ratio 17
18 Conclusion Development started in 2008 with case studies and optimization: - Thermodynamic design - Manufacturing process - Cost efficiency Final chiller concept fixed in 2009 Starting of pre-industrial manufacturing and laboratory measurements in 2010 Installation of first prototypes in Berlin and Dessau in 2011 Commercial launch in 2013: - high energy efficiency (COP > 0,75) - high energy density and compactness - high cooling water temperatures > 45 C - low driving temperatures (t start < 60 C) - low investment (~300 /kw) Foto: TU Berlin 18
Solar cooling with highly efficient absorption chillers
Dipl.-Eng. Christopher Paitazoglou Solar cooling with highly efficient absorption chillers www.renewables-made-in-germany.com Agenda Development of solar heating and cooling Typology (solar) cooling technolgies
ALONE. small scale solar cooling device Project No TREN FP7EN 218952. Project No TREN/FP7EN/218952 ALONE. small scale solar cooling device
Project No TREN/FP7EN/218952 ALONE small scale solar cooling device Collaborative Project Small or Medium-scale Focused Research Project DELIVERABLE D5.2 Start date of the project: October 2008, Duration:
2B.1 Chilled-Water Return (and Supply) Temperature...119. 2B.3 Cooling-Water Supply Temperature / Flow... 124
Appendix 2B: Chiller Test Results...119 2B.1 Chilled-Water Return (and Supply) Temperature...119 2B.2 Chilled-Water Flow... 122 2B.3 Cooling-Water Supply Temperature / Flow... 124 2B.4 Pressure/Temperature...
1 Overview of applications and system configurations
Content 1 Overview of applications and system configurations... 1 1.1 Solar thermal technology... 1 1.2 General Heating (GH)... 2 1.2.1 Heating of large buildings... 3 1.2.2 District heating and Local
SOLAR-POWERED COOLING, DEHUMIDIFICATION AND AIR CONDITIONING
SOLAR-POWERED COOLING, DEHUMIDIFICATION AND AIR CONDITIONING Prof. Gershon Grossman Faculty of Mechanical Engineering Technion, Israel Institute of Technology Haifa 32000, ISRAEL November 2010 Solar Cooling,
Executive summary. - It has a favorable geographical location with significant direct solar irradiation.
Executive summary Introduction The use of solar concentrated energy in thermal applications has very little presence in Spain. In particular, the integration of solar thermal systems in district heating
Chapter 3.4: HVAC & Refrigeration System
Chapter 3.4: HVAC & Refrigeration System Part I: Objective type questions and answers 1. One ton of refrigeration (TR) is equal to. a) Kcal/h b) 3.51 kw c) 120oo BTU/h d) all 2. The driving force for refrigeration
AdSORPTION CHILLER NAK
AdSORPTION CHILLER NAK Chilling Capacity from 50 to 430 kw Usage of Surplus Heat from 50 C Ã*%8ÃPE+Ã TECHNICAL DESCRIPTION ADSORPTION CHILLER NAK 1 INTRODUCTION... 2 2 THE PRINCIPLE OF ADSORPTION... 2
GLOBACON 05 HVAC Systems for Cogen
GLOBACON 05 HVAC Systems for Cogen Track 2, Session 2B Advanced HVAC and Building Systems Date: March 24th, 2005 Gearoid Foley President Integrated CHP Systems Corp. Integrated CHP Systems Corp. Electricity
Small-Scale Solar Heating and Cooling Systems
Contact Austria: AEE INTEC (www.aee-intec.at) France: Tecsol (www.tecsol.fr) Germany: Fraunhofer ISE (www.ise.fraunhofer.de) Greece: CRES (www.cres.gr) Italy: EURAC (www.eurac.edu) University of Bergamo
Silicagel-water adsorption cooling prototype system for mobile air conditioning
Silicagel-water adsorption cooling prototype system for mobile air conditioning R. de Boer S.F. Smeding S. Mola Paper to be presented at the Heat Powered Cycles Conference 09 Berlin, 7 to 9 September 2009
WORKING DOCUMENT ON. Possible requirements for air heating products, cooling products and high temperature process chillers TRANSITIONAL METHODS
WORKING DOCUMENT ON Possible requirements for air heating products, cooling products and high temperature process chillers TRANSITIONAL METHODS WORKING DOCUMENT in the framework of the implementation of
Simulation of a small size solar assisted adsorption air conditioning system for residential applications
Heat Powered Cycles Conference 2009 2009 Simulation of a small size solar assisted adsorption air conditioning system for residential applications Salvatore Vasta, Andrea Frazzica, Gaetano Maggio, Alessio
UNIT 2 REFRIGERATION CYCLE
UNIT 2 REFRIGERATION CYCLE Refrigeration Cycle Structure 2. Introduction Objectives 2.2 Vapour Compression Cycle 2.2. Simple Vapour Compression Refrigeration Cycle 2.2.2 Theoretical Vapour Compression
Field test of a novel combined solar thermal and heat pump system with an ice store
Field test of a novel combined solar thermal and system with an ice store Anja Loose Institute for Thermodynamics and Thermal Engineering (ITW), Research and Testing Centre for Thermal Solar Systems (TZS),
HOT & COLD. Basic Thermodynamics and Large Building Heating and Cooling
HOT & COLD Basic Thermodynamics and Large Building Heating and Cooling What is Thermodynamics? It s the study of energy conversion using heat and other forms of energy based on temperature, volume, and
The Second Law of Thermodynamics
Objectives MAE 320 - Chapter 6 The Second Law of Thermodynamics The content and the pictures are from the text book: Çengel, Y. A. and Boles, M. A., Thermodynamics: An Engineering Approach, McGraw-Hill,
Appendix C. Minimum Equipment Efficiency Standards
Appendix C Minimum Equipment Efficiency Standards Appendix C: Minimum Equipment Efficiency Standards This Appendix is an overview of building and equipment standards in the State of California that have
Vicot Solar Air Conditioning. V i c o t A i r C o n d i t i o n i n g C o., l t d Tel: 86-531-8235 5576 Fax: 86-531-82357911 Http://www.vicot.com.
Vicot Solar Air Conditioning V i c o t A i r C o n d i t i o n i n g C o., l t d Tel: 86-531-8235 5576 Fax: 86-531-82357911 Http://www.vicot.com.cn Cooling, heating, and domestic hot water. Return on investment
A Demonstration Plant of a Liquid Desiccant Air Conditioning Unit for Drying Applications
A Demonstration Plant of a Liquid Desiccant Air Conditioning Unit for Drying Applications Mustafa Jaradat, Klaus Vajen, Ulrike Jordan Institut für Thermische Energietechnik, Universität Kassel, 34125 Kassel,
Technological developments and market perspectives for renewable energy cooling systems
Collector field Technological developments and market perspectives for renewable energy cooling systems Prof.Dr.habil. Ursula Eicker Centre of Applied Research Sustainable Energy Technology zafh.net University
Federation of European Heating, Ventilation and Air-conditioning Associations
Federation of European Heating, Ventilation and Air-conditioning Associations Address: Rue Washington 40 1050 Brussels Belgium www.rehva.eu info@rehva.eu Tel: +32 2 514 11 71 Fax: +32 2 512 90 62 REHVA
8. Heat pumps, heat pipes, cold thermal energy storage
Kylteknik ( KYL ) Refrigeration course # 424503.0 v. 2014 8. Heat pumps, heat pipes, cold thermal energy storage Ron Zevenhoven Åbo Akademi University Thermal and Flow Engineering Laboratory / Värme- och
New technical solutions for energy efficient buildings. State of the Art Report Solar heating & cooling
New technical solutions for energy efficient buildings State of the Art Report Solar heating & cooling Authors: Martin Treberspurg, Mariam Djalili, BOKU Heimo Staller, IFZ July 2011 Background The European
OPTIMAL POLYGEN COOLING CONCEPT FOR ST. OLAVS HOSPITAL IN TRONDHEIM, NORWAY
1st European Conference on Polygeneration OPTIMAL POLYGEN COOLING CONCEPT FOR ST. OLAVS HOSPITAL IN TRONDHEIM, NORWAY G. Eggen 1, A. Utne 2 1) COWI A/S, PB 2564 Sentrum, NO-7414 Trondheim, Norway, e-mail:
How To Know If A Refrigeration System Is Efficient
Universitatea de Ştiinţe Agricole şi Medicină Veterinară Iaşi ASSESSMENT OF E SUBCOOLING CAPABILITIES OF A ERMOELECTRIC DEVICE IN A VAPOR COMPRESSION REFRIGERATION SYSTEM R. ROŞCA 1, I. ŢENU 1, P. CÂRLESCU
Dharam V. Punwani President, Avalon Consulting, Inc. Presented at Turbine Inlet Cooling Association Webinar April 9, 2014
Dharam V. Punwani President, Avalon Consulting, Inc. Presented at Turbine Inlet Cooling Association Webinar April 9, 2014 Background: What is the problem that needs a solution? What is Turbine Inlet Cooling
The Hybrid tri- genera0on system solar- bio- tric
The Hybrid tri- genera0on system solar- bio- tric S. Karellas and K. Braimakis sotokar@mail.ntua.gr, mpraim@mail.ntua.gr Na0onal Technical University of Athens 1 st Solar Open Workshop Building Integrated
Solare termico altre applicazioni. G.V. Fracastoro
Solare termico altre applicazioni G.V. Fracastoro CSP per produzione elettrica Usati in combinazione con un impianto a ciclo termodinamico (Rankine o Stirling) point concentration systems (parabolic reflectors)
HVAC Efficiency Definitions
HVAC Efficiency Definitions Term page EER - 2 SEER - 3 COP - 4 HSPF - 5 IPLV - 6 John Mix May 2006 Carrier Corporation 1 Energy Efficiency Ratio (EER) The energy efficiency ratio is used to evaluate the
Air-sourced 90 Hot Water Supplying Heat Pump "HEM-90A"
Air-sourced 90 Hot Water Supplying Heat Pump "HEM-90A" Takahiro OUE *1, Kazuto OKADA *1 *1 Refrigeration System & Energy Dept., Compressor Div., Machinery Business Kobe Steel has developed an air-sourced
Performance Evaluation of a Heat Pump System for Simultaneous Heating and Cooling
for Simultaneous Heating and Cooling F. Sustainable Energy Centre, University of South Australia Mawson Lakes Boulevard, Mawson Lakes 5095 AUSTRALIA E-mail: Frank.@UniSA.edu.au Abstract The high efficiency
COMMERCIAL HVAC CHILLER EQUIPMENT. Air-Cooled Chillers
COMMERCIAL HVAC CHILLER EQUIPMENT Air-Cooled Chillers Technical Development Programs (TDP) are modules of technical training on HVAC theory, system design, equipment selection and application topics. They
The main steam enters the building in the basement mechanical room; this is where the condensate line also leaves the building.
MSV: Square Footage: 24,844 No. of Floors: 1 Year Built: 1963 Type of Use: Lounge and dining area open all night for snacks Steam Water-cooled condenser, 50-Ton York unit with a 6 cylinder-reciprocating
THE EUROPEAN GREEN BUILDING PROGRAMME. Technical Module on Combined Heat and Power
THE EUROPEAN GREEN BUILDING PROGRAMME Technical Module on Combined Heat and Power Contents Foreword...1 1. Introduction...2 2. Inventory of the CHP system...3 3. Assessment of technical energy saving measures...5
SOLAR COOLING WITH ICE STORAGE
SOLAR COOLING WITH ICE STORAGE Beth Magerman Patrick Phelan Arizona State University 95 N. College Ave Tempe, Arizona, 8581 bmagerma@asu.edu phelan@asu.edu ABSTRACT An investigation is undertaken of a
Water Fired Chiller/Chiller-Heater. WFC-S Series: 10, 20 and 30 RT Cooling
Water Fired Chiller/Chiller-Heater WFC-S Series: 1, 2 and 3 RT Cooling W E A R E F R I E N D L Y T O T H E E A R T H Water Fired SINGLE-EFFECT Chiller or Chiller-Heater Absorption Principle Cooling Cycle
How To Calculate The Performance Of A Refrigerator And Heat Pump
THERMODYNAMICS TUTORIAL 5 HEAT PUMPS AND REFRIGERATION On completion of this tutorial you should be able to do the following. Discuss the merits of different refrigerants. Use thermodynamic tables for
Evaluation of mobile storage systems for heat transport. G. Storch, A. Hauer, A. Krönauer ZAE Bayern, Walther-Meißner-Str. 6, 85748 Garching, Germany
Evaluation of mobile storage systems for heat transport G. Storch, A. Hauer, A. Krönauer ZAE Bayern, Walther-Meißner-Str. 6, 85748 Garching, Germany Outline Introduction Mobile Storage Units Case Studies:
Solar-powered chilling: Technical and economical analysis on individual air-conditioning with different solar collectors for Tunisian climate
Research article Solar-powered chilling: Technical and economical analysis on individual air-conditioning with different solar collectors for Tunisian climate S. El May*, M. Mahmoudi, A. Bellagi U.R. Thermique
6 18 A steam power plant receives heat from a furnace at a rate of 280 GJ/h. Heat losses to the surrounding air from the steam as it passes through
Thermo 1 (MEP 261) Thermodynamics An Engineering Approach Yunus A. Cengel & Michael A. Boles 7 th Edition, McGraw-Hill Companies, ISBN-978-0-07-352932-5, 2008 Sheet 6:Chapter 6 6 17 A 600-MW steam power
9. ENERGY PERFORMANCE ASSESSMENT OF HVAC SYSTEMS
9. ENERGY PERFORMANCE ASSESSMENT OF HVAC SYSTEMS 9.1 Introduction Air conditioning and refrigeration consume significant amount of energy in buildings and in process industries. The energy consumed in
Testing methods applicable to refrigeration components and systems
Testing methods applicable to refrigeration components and systems Sylvain Quoilin (1)*, Cristian Cuevas (2), Vladut Teodorese (1), Vincent Lemort (1), Jules Hannay (1) and Jean Lebrun (1) (1) University
In the compression-refrigeration loop (air conditioning), which is likely to be warmer? 1. Condenser coil 2. Evaporator coil
In the compression-refrigeration loop (air conditioning), which is likely to be warmer? 1. Condenser coil 2. Evaporator coil Answer: (1) Condenser coil See the video. A.R.E. Building Systems Study Guide
Analytical Study of Vapour Compression Refrigeration System Using Diffuser and Subcooling
IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) e-issn: 2278-1684,p-ISSN: 2320-334X, Volume 11, Issue 3 Ver. VII (May- Jun. 2014), PP 92-97 Analytical Study of Vapour Compression Refrigeration
An Overview of Solar Assisted Air-Conditioning System Application in Small Office Buildings in Malaysia
An Overview of Solar Assisted Air-Conditioning System Application in Small Office Buildings in Malaysia LIM CHIN HAW 1 *, KAMARUZZAMAN SOPIAN 2, YUSOF SULAIMAN 3 Solar Energy Research Institute, University
COMMERCIAL HVAC EQUIPMENT. Condensers and Cooling Towers
COMMERCIAL HVAC EQUIPMENT Condensers and Cooling Towers Technical Development Programs (TDP) are modules of technical training on HVAC theory, system design, equipment selection and application topics.
Stirling heat engine Internal combustion engine (Otto cycle) Diesel engine Steam engine (Rankine cycle) Kitchen Refrigerator
Lecture. Real eat Engines and refrigerators (Ch. ) Stirling heat engine Internal combustion engine (Otto cycle) Diesel engine Steam engine (Rankine cycle) Kitchen Refrigerator Carnot Cycle - is not very
I-STUTE Project - WP2.3 Data Centre Cooling. Project Review Meeting 8, Loughborough University, 29 th June 2015
I-STUTE Project - WP2.3 Data Centre Cooling Project Review Meeting 8, Loughborough University, 29 th June 2015 Topics to be considered 1. Progress on project tasks 2. Development of data centre test facility
Green Building Handbook for South Africa Chapter: Heating, Ventilation and Cooling Luke Osburn CSIR Built Environment
Green Building Handbook for South Africa Chapter: Heating, Ventilation and Cooling Luke Osburn CSIR Built Environment The heating, ventilation and cooling loads of typical commercial office space can range
SASO XXXX:2016. (Including the modifications approved in Saudi Council Board No. XXX/2016) LARGE CAPACITY AIR CONDITIONERS
SASO XXXX:2016 (Including the modifications approved in Saudi Council Board No. XXX/2016) LARGE CAPACITY AIR CONDITIONERS PERFORMANCE REQUIREMENTS AND METHODS OF TESTING 1 LARGE CAPACITY AIR CONDITIONERS
News in Data Center Cooling
News in Data Center Cooling Wednesday, 8th May 2013, 16:00h Benjamin Petschke, Director Export - Products Stulz GmbH News in Data Center Cooling Almost any News in Data Center Cooling is about increase
CHP Plant based on a Hybrid Biomass and Solar System of the Next Generation EU project No. ENER/FP7/249800/"SUNSTORE 4" Dipl.-Ing. Alfred Hammerschmid
CHP Plant based on a Hybrid Biomass and Solar System of the Next Generation EU project No. ENER/FP7/249800/"SUNSTORE 4" Dipl.-Ing. Alfred Hammerschmid BIOS BIOENERGIESYSTEME GmbH, Austria TEL.: +43 (316)
Solar Cooling Position Paper
Task 38 Solar Air-Conditioning and Refrigeration Solar Cooling Position Paper Solar Cooling Position Paper October 2011 page 1 Table of contents Table of contents... 2 1. Introduction and background...
Solar chilled drinking water sourced from thin air: modelling and simulation of a solar powered atmospheric water generator
20th International Congress on Modelling and Simulation, Adelaide, Australia, 1 6 December 2013 www.mssanz.org.au/modsim2013 Solar chilled drinking water sourced from thin air: modelling and simulation
ARP Food Industry, Portugal
Food Industry, Portugal In a Portuguese food company colibri will install a twostage ammonia-water-absorption refrigeration system. The 1st refrigeration stage provides the customer with liquid ammonia
Simulation Tools for Solar Cooling Systems Comparison for a Virtual Chilled Water System
Simulation Tools for Solar Cooling Systems Comparison for a Virtual Chilled Water System C. Bongs 1, A. Dalibard 2, P. Kohlenbach 3, O. Marc 4, I. Gurruchaga 5, P. Tsekouras 6 1 Fraunhofer Institute for
FUNDAMENTALS OF ENGINEERING THERMODYNAMICS
FUNDAMENTALS OF ENGINEERING THERMODYNAMICS System: Quantity of matter (constant mass) or region in space (constant volume) chosen for study. Closed system: Can exchange energy but not mass; mass is constant
APPLICATIONS AND DEFINITIONS
HEAT PUMP APPLICATIONS AND DEFINITIONS Per Fahlén SP Energy Technology APPLICATIONS OF HEAT PUMPS 900s: Refrigeration, need to chill food; Survival: very large application; chilled food comprises Turnover:
SIMULATION OF THERMODYNAMIC ANALYSIS OF CASCADE REFRIGERATION SYSTEM WITH ALTERNATIVE REFRIGERANTS
INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING AND TECHNOLOGY (IJMET) International Journal of Mechanical Engineering and Technology (IJMET), ISSN 0976 6340(Print), ISSN 0976 6340 (Print) ISSN 0976 6359
Creating Efficient HVAC Systems
Creating Efficient HVAC Systems Heating and Cooling Fundamentals for Commercial Buildings Heating, ventilating, and air conditioning (HVAC) systems account for nearly half of the energy used in a typical
NOVEL ENERGY PROVISION SYSTEM FOR THE SUSTAINABLE CONNECTED HOME
Luigi Crema crema@fbk.eu April 21 st 23 rd New Delhi (India) NOVEL ENERGY PROVISION SYSTEM FOR THE SUSTAINABLE CONNECTED HOME Luigi Crema, Senior Researcher @ FBK - REET and F. Alberti, A. Bertaso, A.
SOLEL SUNCOOLER SOLAR-POWERED AIR-CONDITIONING / HEATING SYSTEM
SOLEL SUNCOOLER SOLAR-POWERED AIR-CONDITIONING / HEATING SYSTEM organization / project coordinator (address, telephone, email) Solel Solar Systems Ltd./ Mr. Avi Brenmiller 3, Hac'shara St, Industrial Zone
Gas Absorption Heat Pumps. Future proofing your heating and hot water
Gas Absorption Heat Pumps Future proofing your heating and hot water Gas Absorption Heat Pumps 1 Contents Gas Absorption Heat Pumps (GAHPs) The heating solution What is a Gas Absorption Heat Pump? How
CURBING THE COST OF DATA CENTER COOLING. Charles B. Kensky, PE, LEED AP BD+C, CEA Executive Vice President Bala Consulting Engineers
CURBING THE COST OF DATA CENTER COOLING Charles B. Kensky, PE, LEED AP BD+C, CEA Executive Vice President Bala Consulting Engineers OVERVIEW Compare Cooling Strategies in Free- Standing and In-Building
Scroll Compressor Development for Air-Source Heat Pump Water Heater Applications
Purdue University Purdue e-pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 2008 Scroll Compressor Development for Air-Source Heat Pump Water Heater Applications
District heating and district cooling with large centrifugal chiller - heat pumps
10th International Symposium on District Heating and Cooling September 3-5, 2006 Tuesday, 5 September 2006 Sektion 5 a Renewable energy and district heating District heating and district cooling with large
Energy Recovery Systems for the Efficient Cooling of Data Centers using Absorption Chillers and Renewable Energy Resources
Energy Recovery Systems for the Efficient Cooling of Data Centers using Absorption Chillers and Renewable Energy Resources ALEXANDRU SERBAN, VICTOR CHIRIAC, FLOREA CHIRIAC, GABRIEL NASTASE Building Services
SECTION 5 COMMERCIAL REFRIGERATION UNIT 22 CONDENSERS
SECTION 5 COMMERCIAL REFRIGERATION UNIT 22 CONDENSERS UNIT OBJECTIVES After studying this unit, the reader should be able to explain the purpose of the condenser in a refrigeration system. describe differences
Refrigeration Compressed Air Dryer Buran Ultrapulse
Refrigeration Compressed Air Dryer Buran Ultrapulse There is more to compressed air than just compressing air Compressed air is an indispensable source of operating and processing power in all areas of
Solar Thermal Plus Heat Pump. Dr. Michel Haller
Solar Thermal Plus Heat Pump Dr. Michel Haller Solar and Heat Pump Systems - A Question of Technology? 2 Combination of Solar Thermal and Heat Pump Key figure is the ratio of heat delivered [kwh] to electricity
SOLAR DESSICANT COOLING EXAMPLE OF APPLICATION TO A LOW ENERGY BUILDING
SOLAR DESSICANT COOLING EXAMPLE OF APPLICATION TO A LOW ENERGY BUILDING Thibaut Vitte, Monika Woloszyn, Jean Brau CETHIL, CNRS UMR 5008, UCBL, INSA, Lyon, France ABSTRACT This article presents the study
COST AND PERFORMANCE ANALYSIS OF A SOLAR THERMAL COOLING PROJECT
Proceedings of the ASME 21 4 th International Conference on Energy Sustainability ES21 May 17-22, 21 Phoenix, Arizona, USA 1 ES21-9248 COST AND PERFORMANCE ANALYSIS OF A SOLAR THERMAL COOLING PROJECT Joel
Application Potential of Solar-assisted Desiccant Cooling System in Sub-tropical Hong Kong
Application Potential of Solar-assisted esiccant Cooling System in Sub-tropical ong Kong Kwong Fai Fong and Tin Tai Chow Building Energy and Environmental Technology esearch Unit, ivision of Building Science
Solar Cooling. Methods and Applications. Sargon Ishaya, PE, LEED AP
Solar Cooling Methods and Applications Sargon Ishaya, PE, LEED AP Objectives Describe two practical methods for solar cooling Give air conditioning engineers the confidence to offer customers a mechanical
Building Energy Systems. - HVAC: Heating, Distribution -
* Some of the images used in these slides are taken from the internet for instructional purposes only Building Energy Systems - HVAC: Heating, Distribution - Bryan Eisenhower Associate Director Center
AIR CONDITION & REFRIGERATION INSTALLATION & REPAIR
AIR CONDITION & REFRIGERATION INSTALLATION & REPAIR SERVICE CAPACITY (Value) : Rs. 15,40,000/- MONTH AND YEAR : July, 2014 OF PREPARATION PREPARED BY : Sh. Sunil Arora Investigator (Mechanical) 1. INTRODUCTION
New technical solutions for energy efficient buildings
- New technical solutions for energy efficient buildings State of the Art Report New technologies for heat pumps Authors: Heimo Staller, Angelika Tisch, IFZ Oct. 2010 Background Heat pumps are machines
New Trends in the Field of Automobile Air Conditioning
New Trends in the Field of Automobile Air Conditioning E. Janotkova and M. Pavelek Department of Thermomechanics and Environmental Engineering Brno University of Technology, 61669 Brno, Czech Republic
DAikin Altherma low temperature heat pump. end user leaflet
DAikin Altherma low temperature heat pump HEATING, COOLING & DOMESTIC HOT WATER end user leaflet 2 The natural choice D 3 in1: heating, cooling and hot water Daikin Altherma is a total heating and domestic
Case Study: Innovative Energy Efficiency Approaches in NOAA s Environmental Security Computing Center in Fairmont, West Virginia
Case Study: Innovative Energy Efficiency Approaches in NOAA s Environmental Security Computing Center in Fairmont, West Virginia Prepared for the U.S. Department of Energy s Federal Energy Management Program
POSSIBILITY FOR MECHANICAL VAPOR RE-COMPRESSRION FOR STEAM BASED DRYING PROCESSES
POSSIBILITY FOR MECHANICAL VAPOR RE-COMPRESSRION FOR STEAM BASED DRYING PROCESSES M. Bantle 1, I. Tolstorebrov, T. M. Eikevik 2 1 Department of Energy Efficiency, SINTEF Energy Research, Trondheim, Norway,
How To Design A Refrigeration System
AIRAH Refrigeration (in HVAC) Back to Basics For the First Time Terms of Reference What this session is NOT about Detailed Refrigeration Design Detailed analysis of various Refrigants properties Comparison
Cooling with Compact Absorption Chillers
Cooling with Compact Absorption Chillers Roland Hellmer Vattenfall Europe Wärme AG Business Affairs, Berlin Decentralize compact absorption and business opportunities 170 MW in total Overall technical
Sheet 5:Chapter 5 5 1C Name four physical quantities that are conserved and two quantities that are not conserved during a process.
Thermo 1 (MEP 261) Thermodynamics An Engineering Approach Yunus A. Cengel & Michael A. Boles 7 th Edition, McGraw-Hill Companies, ISBN-978-0-07-352932-5, 2008 Sheet 5:Chapter 5 5 1C Name four physical
Optimization of Water - Cooled Chiller Cooling Tower Combinations
Optimization of Water - Cooled Chiller Cooling Tower Combinations by: James W. Furlong & Frank T. Morrison Baltimore Aircoil Company The warm water leaving the chilled water coils is pumped to the evaporator
How To Power A Power Plant With Waste Heat
Power Generation Siemens Organic Rankine Cycle Waste Heat Recovery with ORC Answers for energy. Table of Contents Requirements of the Future Power Supply without extra Fuel Siemens ORC-Module Typical Applications
The Central Solar Heating Plant with Aquifer Thermal Energy Store in Rostock - Results after four years of operation
The Central Solar Heating Plant with Aquifer Thermal Energy Store in Rostock - Results after four years of operation Thomas Schmidt 1), Hans Müller-Steinhagen 1)2)3) 1) Solar- und Wärmetechnik Stuttgart
Exploitation Tests of Borehole Heat Exchangers in the Laboratory of Renewable Energy Sources in Miekinia Poland
Proceedings World Geothermal Congress 2015 Melbourne, Australia, 19-25 April 2015 Exploitation Tests of Borehole Heat Exchangers in the Laboratory of Renewable Energy Sources in Miekinia Poland Jaroslaw
Life Cycle Assessment (LCA) of solar cooling systems
IEA ECES and IEA SHC joint workshop» - Solar Heating and Cooling and Energy Storage«November 8, 2011, University Rosenheim, Germany Life Cycle Assessment (LCA) of solar cooling systems Marco Beccali Dipartimento
Initial Experiments of a Novel Liquid Desiccant Dehumidifier for Industrial and Comfort Air Conditioning Systems
Abstract Initial Experiments of a Novel Liquid Desiccant Dehumidifier for Industrial and Comfort Air Conditioning Systems M. Jaradat, R. Heinzen, U. Jordan, K. Vajen Kassel University (Germany), Institute
Data Center Components Overview
Data Center Components Overview Power Power Outside Transformer Takes grid power and transforms it from 113KV to 480V Utility (grid) power Supply of high voltage power to the Data Center Electrical Room
Carnegie Mellon University School of Architecture, Department of Mechanical Engineering Center for Building Performance and Diagnostics
Carnegie Mellon University School of Architecture, Department of Mechanical Engineering Center for Building Performance and Diagnostics A Presentation of Work in Progress 4 October 2006 in the Intelligent
Operation Analysis and Energy Evaluation of a Solar-thermal System Assisting the Air Conditioning of an Office/Administration
Operation Analysis and Energy Evaluation of a Solar-thermal System Assisting the Air Conditioning of an Office/Administration Building Klaus Huber, Elmar Bollin, Eva Scheck, Dainel Jödicke, Edo Wiemken*,
Solar Heating and Cooling of Buildings Guidelines
EU framework programme Solar Heating and Cooling of Buildings Guidelines 2007 1 Introduction 11 Why use this technology The main goal of applying solar energy for air conditioning of buildings is to reduce
Evaporative Cooling for Residential and Light-Commercial
EMERGING TECHNOLOGIES This article was published in ASHRAE Journal, October 2011. Copyright 2011 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. Posted at www.ashrae.org.
2A.1 Features of Chiller Control Components... 104. 2A.3 Chilled-Water Supply Temperature Control... 107. 2A.4 Cooling-Water Supply Control...
Appendix 2A: Chiller Control Principles... 104 2A.1 Features of Chiller Control Components... 104 2A.2 Start-up and Shutdown... 105 2A.2.1 Start-up...105 2A.2.2 Shutdown...106 2A.3 Chilled-Water Supply
Food industry Prosecc industry Heat & power (Production of district heating & cooling) Food industry Process industry Logistic centres Sport arenas
Johan Tallberg Food industry Process industry Logistic centres Sport arenas Synergy Food industry Prosecc industry Heat & power (Production of district heating & cooling) Maintenance services for the
Research on the Air Conditioning Water Heater System
Purdue University Purdue e-pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 28 Research on the Air Conditioning Water Heater System Fei Liu Gree Electric
SONNENKLIMA package solution description
SONNENKLIMA package solution description Edited by: Daniel MUGNIER, Romain SIRE Version 1 SONNENKLIMA Perpignan, October 2009 Table of Contents 1 Introduction... 4 1.1 Increasing interest in air conditioning...