Thermochemical Storage for Air-Conditioning using Open Cycle Liquid Desiccant Technology

Size: px
Start display at page:

Download "Thermochemical Storage for Air-Conditioning using Open Cycle Liquid Desiccant Technology"

Transcription

1 Thermochemical Storage for Air-Conditioning using Open Cycle Liquid Desiccant Technology E. Laevemann, M. Peltzer, A. Hublitz, A. Kroenauer, U. Raab, A. Hauer Bavarian Center for Applied Energy Research Walther-Meißner-Str Garching, Germany

2 Outline Introduction System Description Component Development System Design and Installation Component Tests Summary and Conclusion

3 Thermochemical Storage for Air-Conditioning using Open Cycle Liquid Desiccant Technology Regenerator Regeneration Temperature C Coefficient of Performance COP > 1 Collector Array Energy Storage Absorber Air Cooler Theoretical Energy Storage Capacity 270 kwh/m³ Indirect Evaporative Cooling Systems

4 Energy Storage for Air Dehumidification, Theoretical Boundary Ideal Cooled Absorption Boundary Conditions Dehumidification [g/kg] Dehumidification Energy Storage Capacity Mass Flow Ratio Air to Solution [-] Energy Storage Capacity [MJ/m³] Outside Air Temperature 32 g/kg Wetbulb 23.9 C Inlet Concentration Solution : 40 % Best Mass Flow Ratio for Dehumidification and Energy Storage

5 Low Regeneration Temperatures by Means of an Internally Cooled Absorption Temperatures [ C] Treg,min Treg,min Inlet Air Cooling Water Solution Air Humidity Ratio [g/kg] Air Internally Cooled Absorber Mass Ratio Air/Sol Specific Solution Flow l/(hm²)

6 Demonstration Project TCS-4 Project Description Duration January January 2006 Budget ca EUR Objectives Further Development of Absorber & Regenerator Technology Energy Storage Technology Indirect Evaporative Coolers Demonstration of the State of the Art of Liquid Desiccant Cooling Cooling of the Jazz Club Unterfahrt

7 Demonstration Project TCS-4 Project Partners Building Owner Future Building Owner Provider Indirect Evaporative Coolers Provider Absorber/Regenerator R&D, Project Management Financial Support Münchner Gesellschaft für Stadterneuerung State Capital München Howatherm Klimatechnik GmbH, Brücken L-DCS Technology GmbH, Ismaning ZAE Bayern e.v. Federal Department of Labor

8 System Description TCS-4 18 C Jazz Club Fan Coil Units 26 C Absorption Mode Return Air 26 C 12 g/kg 15 C 20 C Absorber Regenerator HX1 IEC1 HX2 IEC2 25 C, 5 g/kg Exhaust Air 25 C 20 g/kg 22 C 30 C 32 % 42 % Desiccant Storage HX3 District Heating

9 System Description TCS-4 Jazz Club Fan Coil Units Regeneration Mode Return Air Absorber Regenerator 30 C, 24 g/kg HX1 IEC1 HX2 IEC2 Exhaust Air 26 C 12 g/kg 30 C 24 g/kg 75 C 55 C 42 % 32 % Desiccant Storage HX3 District Heating

10 Component Development & Installation: Absorber/Regenerator Unit Distributors for Liquid Desiccant Heat and Mass Transfer Plates Cassettes

11 Component Development & Installation: Absorber/Regenerator Unit Absorber/Regenerator Unit

12 Component Development & Installation: Liquid Desiccant Piping and Storage System

13 Component Development & Installation: Liquid Desiccant Piping and Storage System

14 Component Development & Installation: Static Mixer for Dew Point Measurements

15 Installation: Indirect Evaporative Cooler and Hydraulics

16 Installation: Fan Coil Units in the Jazz Club

17 Calculated Design Point Performance: Indirect Evaporative Cooler A1 WÜ1 A2 VK2 WÜ2 A3 A P1: Cooling Potential without Cold Recovery P2: Cooling Potential with Cold Recovery Temperature [ C] A1 Air A2 10 C Fan Coil Unit P2 A4 A3 P1 F1 F2 W2 15 C Water C W1 Pressure = 95.0 kpa 5 C Humidity Ratio [kg/kg]

18 Component Test: Indirect Evaporative Cooler A1 WÜ1 A2 VK2 WÜ2 A3 A4 Results Wetted area provides good evaporative cooling Only 15 % of the heat transferring area are wetted (meets expectations)

19 Component Test: Absorber 22 C 30 C Results Air dehumidification is almost isothermal. In first performance tests, only 50 % of the dehumidification aimed at was experimentally reached. Realized Energy Storage Capacities: kwh/m³

20 Summary and Conclusion A demonstration plant for the state of the art of liquid desiccant cooling has been built up. The jazz club can be cooled. The performance of the controls and the measurement accuracy is good. The plant has proved to be an excellent facility for performance tests of the components absorber, regenerator and indirect evaporative coolers The performance of the indirect evaporative cooler and the fan coil units is close to what has been expected. In the first tests, the absorber-regenerator-unit did not yet achieve the intended performance. The wetting of the exchange surfaces (20-40 %) of the tested, commercially available devices is far below what has been reached in laboratory (> 90 %). An improvement in surface wetting would be a major step towards favorable economics of this technology.

21

Initial Experiments of a Novel Liquid Desiccant Dehumidifier for Industrial and Comfort Air Conditioning Systems

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

More information

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 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,

More information

SOLAR POWERED EVAPORATIVE AIR- CONDITIONING SYSTEM

SOLAR POWERED EVAPORATIVE AIR- CONDITIONING SYSTEM SOLAR POWERED EVAPORATIVE AIR- CONDITIONING SYSTEM PROJECT REFERENCE NO. : 37S0707 COLLEGE : KLS'S VISHWANATHRAO DESHPANDE RURAL INSTITUTE OF TECHNOLOGY, HALIYAL BRANCH : MECHANICAL ENGINEERING GUIDE :

More information

Heat Recovery from Data Centres Conference Designing Energy Efficient Data Centres

Heat Recovery from Data Centres Conference Designing Energy Efficient Data Centres What factors determine the energy efficiency of a data centre? Where is the energy used? Local Climate Data Hall Temperatures Chiller / DX Energy Condenser / Dry Cooler / Cooling Tower Energy Pump Energy

More information

Feasibility Study for Mobile Sorption Storage in Industrial Applications

Feasibility Study for Mobile Sorption Storage in Industrial Applications Feasibility Study for Mobile Sorption Storage in Industrial Applications G. Storch, A. Hauer ZAE Bayern Bavarian Center for Applied Energy Research Motivation Aim: waste heat usage for better overall efficiency

More information

A THEORETICAL STUDY OF THE IMPACT OF USING SMALL SCALE THERMO CHEMICAL STORAGE UNITS IN DISTRICT HEATING NETWORKS

A THEORETICAL STUDY OF THE IMPACT OF USING SMALL SCALE THERMO CHEMICAL STORAGE UNITS IN DISTRICT HEATING NETWORKS A THEORETICAL STUDY OF THE IMPACT OF USING SMALL SCALE THERMO CHEMICAL STORAGE UNITS IN DISTRICT HEATING NETWORKS Basciotti D. 1, Pol O. 1 1 Energy Department, Austrian Institute of Technology, Giefinggasse

More information

Total Heat Versus Sensible Heat Evaporator Selection Methods & Application

Total Heat Versus Sensible Heat Evaporator Selection Methods & Application Total Heat Versus Sensible Heat Evaporator Selection Methods & Application Scope The purpose of this paper is to provide specifying engineers, purchasers and users of evaporators in industrial refrigeration

More information

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 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:

More information

EuroSun 1998 A NEW CONCEPT FOR SOLAR THERMAL DESALINATION Results of In-Situ Measurements

EuroSun 1998 A NEW CONCEPT FOR SOLAR THERMAL DESALINATION Results of In-Situ Measurements Proc. EuroSun '98, Pororoz (SI), 14. - 17.9.1998, Vol. 2, III.2.59-1..7 EuroSun 1998 A NEW CONCEPT FOR SOLAR THERMAL DESALINATION Results of In-Situ Measurements Ulber, Isabell 1 ; Vajen, Klaus 2 ; Uchtmann,

More information

Theoretical Study on Separate Sensible and Latent Cooling Air-Conditioning System

Theoretical Study on Separate Sensible and Latent Cooling Air-Conditioning System Purdue University Purdue e-pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 2008 Theoretical Study on Separate Sensible and Latent Cooling Air-Conditioning

More information

Free Cooling for Data Centers

Free Cooling for Data Centers Free Cooling for Data Centers Release 1, September 2015 Contents 1. Abstract... 3 2. Introduction... 3 3. Data Center Temperatures and Free Cooling... 4 4. Direct Free Cooling... 4 5. Indirect Free Cooling...

More information

A NEW DESICCANT EVAPORATIVE COOLING CYCLE FOR SOLAR AIR CONDITIONING AND HOT WATER HEATING

A NEW DESICCANT EVAPORATIVE COOLING CYCLE FOR SOLAR AIR CONDITIONING AND HOT WATER HEATING A NEW DESICCANT EVAPORATIVE COOLING CYCLE FOR SOLAR AIR CONDITIONING AND HOT WATER HEATING John Archibald American Solar Roofing Company 8703 Chippendale Court Annandale, Va. 22003 e-mail: jarchibald@americansolar.com

More information

NIAGARA Niagara Blower Heat Transfer Solutions

NIAGARA Niagara Blower Heat Transfer Solutions NIAGARA Niagara Blower Heat Transfer Solutions No-Frost No-Frost refrigeration and liquid desiccant dehumidification specializes in the food, beverage, laboratory testing, and cold storage industries.

More information

UNIT 2 REFRIGERATION CYCLE

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

More information

Maximize energy savings Increase life of cooling equipment More reliable for extreme cold weather conditions There are disadvantages

Maximize energy savings Increase life of cooling equipment More reliable for extreme cold weather conditions There are disadvantages Objectives Increase awareness of the types of economizers currently used for data centers Provide designers/owners with an overview of the benefits and challenges associated with each type Outline some

More information

How do I measure the amount of water vapor in the air?

How do I measure the amount of water vapor in the air? How do I measure the amount of water vapor in the air? Materials 2 Centigrade Thermometers Gauze Fan Rubber Band Tape Overview Water vapor is a very important gas in the atmosphere and can influence many

More information

Increasing the evaporation temperature with the help of an internal heat exchanger

Increasing the evaporation temperature with the help of an internal heat exchanger Increasing the evaporation temperature with the help of an internal heat exchanger A. TAMBOVTSEV (a), H. QUACK (b) (a,b) Technische Universität Dresden, D-01062, Dresden, Germany (a) Fax: (+49351) 463-37247,

More information

1 Overview of applications and system configurations

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

More information

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 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

More information

Evaluation of the Dual Tank Indirect Solar-Assisted Heat Pump System for the Team Ontario Solar Decathlon House

Evaluation of the Dual Tank Indirect Solar-Assisted Heat Pump System for the Team Ontario Solar Decathlon House Joint Workshop IEA HPP Annex 40 / NSERC 11th IEA Heat Pump Conference Prof. C. A. Cruickshank, Carleton University Evaluation of the Dual Tank Indirect Solar-Assisted Heat Pump System for the Team Ontario

More information

DATA CENTER COOLING INNOVATIVE COOLING TECHNOLOGIES FOR YOUR DATA CENTER

DATA CENTER COOLING INNOVATIVE COOLING TECHNOLOGIES FOR YOUR DATA CENTER DATA CENTER COOLING INNOVATIVE COOLING TECHNOLOGIES FOR YOUR DATA CENTER DATA CENTERS 2009 IT Emissions = Aviation Industry Emissions Nations Largest Commercial Consumers of Electric Power Greenpeace estimates

More information

International Telecommunication Union SERIES L: CONSTRUCTION, INSTALLATION AND PROTECTION OF TELECOMMUNICATION CABLES IN PUBLIC NETWORKS

International Telecommunication Union SERIES L: CONSTRUCTION, INSTALLATION AND PROTECTION OF TELECOMMUNICATION CABLES IN PUBLIC NETWORKS International Telecommunication Union ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Technical Paper (13 December 2013) SERIES L: CONSTRUCTION, INSTALLATION AND PROTECTION OF TELECOMMUNICATION CABLES

More information

Research on the Air Conditioning Water Heater System

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

More information

A Heat Pump Desiccant Unit for Dehumidification and Humidification

A Heat Pump Desiccant Unit for Dehumidification and Humidification Purdue University Purdue e-pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 2008 A Heat Pump Desiccant Unit for Dehumidification and Humidification Tolga

More information

Experimental Analysis of Heat and Mass Transfer Coefficients of a Liquid Desiccant System ABSTRACT

Experimental Analysis of Heat and Mass Transfer Coefficients of a Liquid Desiccant System ABSTRACT 100, Page 1 Experimental Analysis of Heat and Mass Transfer Coefficients of a Liquid Desiccant System Mustafa Jaradat, Joseph Addy, Klaus Vajen, Ulrike Jordan Institute of Thermal Energy Engineering, Kassel

More information

Solar Cooling in North America

Solar Cooling in North America Solar Cooling in North America Lucio Mesquita, Ph.D. Thermosol Intersolar NA, July 2010 81 million of housing units with AC (82% of total / 71% central) - 2005 3.6 million of commercial buildings (78%

More information

Chapter 4.9: HVAC System

Chapter 4.9: HVAC System Chapter 4.9: HVAC System Short type questions 1. Define tons of refrigeration?. One ton of refrigeration is the amount of cooling obtained by one ton of ice melting in one day. It is equivalent to kcal/h,

More information

Here Lw = 58.5 db(a) Unit must be installed in a separate building services room. Extract air filter G4

Here Lw = 58.5 db(a) Unit must be installed in a separate building services room. Extract air filter G4 Certificate Certified Passive House Component For cool, temperate climates, valid until 31 December 2015 Passive House Institute Dr. Wolfgang Feist 64283 Darmstadt GERMANY Category: Manufacturer: Product

More information

Evaporative Cooling for Residential and Light-Commercial

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.

More information

PROCEEDINGS SOLAR 94

PROCEEDINGS SOLAR 94 PROCEEDINGS OF SOLAR 94 THE 1994 AMERICAN SOLAR ENERGY SOCIETY ANNUAL CONFERENCE San Jose, California June 25-30,1994 Editors: S. M. Burley M. E. Arden R. Campbell-Howe B. Wilkins-Crowder American Solar

More information

Cooling Towers: Design and Operation Considerations

Cooling Towers: Design and Operation Considerations Cooling Towers: Design and Operation Considerations Cooling towers are a very important part of many chemical plants. They represent a relatively inexpensive and dependable means of removing low grade

More information

ASSESSMENT OF THE SUBCOOLING CAPABILITIES OF A THERMOELECTRIC DEVICE IN A VAPOR COMPRESSION REFRIGERATION SYSTEM

ASSESSMENT OF THE SUBCOOLING CAPABILITIES OF A THERMOELECTRIC DEVICE IN A VAPOR COMPRESSION REFRIGERATION SYSTEM 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

More information

Fundamentals of Refrigeration Part 5 Refrigerants

Fundamentals of Refrigeration Part 5 Refrigerants Refrigerants PH Chart Fundamentals of Refrigeration Part 5 Refrigerants This diagram shows a simplified pressure/ enthalpy chart for a non specified refrigerant. The area contained within the envelope

More information

Analysis of data centre cooling energy efficiency

Analysis of data centre cooling energy efficiency Analysis of data centre cooling energy efficiency An analysis of the distribution of energy overheads in the data centre and the relationship between economiser hours and chiller efficiency Liam Newcombe

More information

HVAC Systems: Overview

HVAC Systems: Overview HVAC Systems: Overview Michael J. Brandemuehl, Ph.D, P.E. University of Colorado Boulder, CO, USA Overview System Description Secondary HVAC Systems Air distribution Room diffusers and air terminals Duct

More information

New absorption chillers for high efficient solar cooling systems

New absorption chillers for high efficient solar cooling systems 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

More information

Chapter 11, Problem 18.

Chapter 11, Problem 18. Chapter 11, Problem 18. Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 MPa and 10 C at a rate of 0.12 kg/s, and it leaves at 0.7 MPa and 50 C. The refrigerant is

More information

Absolute and relative humidity Precise and comfort air-conditioning

Absolute and relative humidity Precise and comfort air-conditioning Absolute and relative humidity Precise and comfort air-conditioning Trends and best practices in data centers Compiled by: CONTEG Date: 30. 3. 2010 Version: 1.11 EN 2013 CONTEG. All rights reserved. No

More information

International Energy Agency. Energy Storage Technologies Overview and Comparison

International Energy Agency. Energy Storage Technologies Overview and Comparison International Energy Agency Energy Storage Technologies Overview and Comparison Energy Storage Central Component Energy storages are central components of many energy systems. Waste Heat CSP SCP Agriculture

More information

Chapter 3.4: HVAC & Refrigeration System

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

More information

Solar chilled drinking water sourced from thin air: modelling and simulation of a solar powered atmospheric water generator

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

More information

Ventilation and heat recovery for large public swimming pool halls. A CIBSE accredited CPD seminar

Ventilation and heat recovery for large public swimming pool halls. A CIBSE accredited CPD seminar Ventilation and heat recovery for large public swimming pool halls A CIBSE accredited CPD seminar 1 BBC2 Restoration Series winner 2003 Victoria Baths Manchester 2 What are the design requirements for

More information

Simulation of a small size solar assisted adsorption air conditioning system for residential applications

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

More information

GAS TURBINE EFFICIENCY IMPROVEMENT BY INLET AIR-COOLING IN SUSTAINABLE ENERGY SYSTEM

GAS TURBINE EFFICIENCY IMPROVEMENT BY INLET AIR-COOLING IN SUSTAINABLE ENERGY SYSTEM GAS TURBINE EFFICIENCY IMPROVEMENT BY INLET AIR-COOLING IN SUSTAINABLE ENERGY SYSTEM Omid Zainali 1* and Saeed Karimi Alavijeh 2 National Iranian Gas Company (NIGC), Assaluyeh, Bushehr, Iran 1* National

More information

THE PSYCHROMETRIC CHART: Theory and Application. Perry Peralta NC State University

THE PSYCHROMETRIC CHART: Theory and Application. Perry Peralta NC State University THE PSYCHROMETRIC CHART: Theory and Application Perry Peralta NC State University PSYCHROMETRIC CHART Identify parts of the chart Determine moist air properties Use chart to analyze processes involving

More information

Heat Pumps and Electric Resistance Heating Systems

Heat Pumps and Electric Resistance Heating Systems Heat Pumps and Electric Resistance Heating Systems Learning Objectives: Be familiar with different types of electricity based heating systems, Understand how heat pumps work, Know how to choose an energy

More information

Data Centre Cooling Technologies. Jon Pettitt, EMEA DataCenter Business Development Manager

Data Centre Cooling Technologies. Jon Pettitt, EMEA DataCenter Business Development Manager Data Centre Cooling Technologies 1 Jon Pettitt, EMEA DataCenter Business Development Manager Munters Group Key facts 3.000 Employees 30 Countries Turnover of 470 M HQ in Sweden Global DC Support 25+ Data

More information

Desiccant Dewpoint Cooling System Independent of External Water Sources

Desiccant Dewpoint Cooling System Independent of External Water Sources Downloaded from orbit.dtu.dk on: Dec 21, 2016 Desiccant Dewpoint Cooling System Independent of External Water Sources Bellemo, Lorenzo; Elmegaard, Brian; Markussen, Wiebke Brix; Kærn, Martin Ryhl; Reinholdt,

More information

DEH software (Energy need of air conditioning units)

DEH software (Energy need of air conditioning units) DEH software (Energy need of air conditioning units) The software DEH calculated not only the entire energy needs of air-conditioning units, but also the operating costs (heating, cooling, electricity,

More information

Energy : ṁ (h i + ½V i 2 ) = ṁ(h e + ½V e 2 ) Due to high T take h from table A.7.1

Energy : ṁ (h i + ½V i 2 ) = ṁ(h e + ½V e 2 ) Due to high T take h from table A.7.1 6.33 In a jet engine a flow of air at 000 K, 00 kpa and 30 m/s enters a nozzle, as shown in Fig. P6.33, where the air exits at 850 K, 90 kpa. What is the exit velocity assuming no heat loss? C.V. nozzle.

More information

SURGICAL SUITE TEMPERATURE AND HUMIDITY: PROVIDING WHAT SURGEONS WANT VERSUS THE LIMITATION OF YOUR EQUIPMENT

SURGICAL SUITE TEMPERATURE AND HUMIDITY: PROVIDING WHAT SURGEONS WANT VERSUS THE LIMITATION OF YOUR EQUIPMENT PROVIDING WAT SURGEONS WANT VERSUS TE LIMITATION OF YOUR EQUIPMENT Ronnie Moffitt PE, EM Principal Applications Engineer Trane Lexington, KY Paper Presented July 21, 2008 at the American Society for ealthcare

More information

HVAC Efficiency Definitions

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

More information

Automobile Air Conditioning Primer

Automobile Air Conditioning Primer Automobile Air Conditioning Primer An air conditioner is basically a refrigerator without the insulated box. It uses the evaporation of a refrigerant, like Freon, to provide cooling. The mechanics of the

More information

Solar Desiccant Air Conditioner

Solar Desiccant Air Conditioner Department of Mechanical Engineering ME 490 B Solar Desiccant Air Conditioner Luis Hernandez Joel Heywood Abhishek Kumar Yzzer Roman Advisor: Dr. Fletcher Miller Table of Contents Page 1. Abstract. 3 2.

More information

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 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

More information

Wet Bulb Temperature and Its Impact on Building Performance

Wet Bulb Temperature and Its Impact on Building Performance Wet Bulb Temperature and Its Impact on Building Performance By: Kurmit Rockwell, PE, CEM, LEED AP and Justin Lee, PE, LEED, AP BD+C Energy Solution Services, AtSite, Inc. 1 What is Wet Bulb Temperature?

More information

Moisture Control. It s The Dew Point. Stupid! Its not the humidity.

Moisture Control. It s The Dew Point. Stupid! Its not the humidity. Moisture Control Its not the humidity. It s The Dew Point Stupid! Mike Schell EpiphanyTec Inc. Santa Barbara, CA mschell@epiphanytec.com 805 687-3175 Matching great technology to market need! Topics SHR

More information

LG Electronics AE Company, Commercial Air Conditioning

LG Electronics AE Company, Commercial Air Conditioning www.lgeaircon.com New concept Ecofriendly Highefficiency Heating solution Total heating & Hot water Solution for MULTI V LG Electronics AE Company, Commercial Air Conditioning 2 Yeouidodong, Yeongdeungpogu,

More information

Variable Refrigerant Flow-Heat Recovery Performance Characterization

Variable Refrigerant Flow-Heat Recovery Performance Characterization Variable Refrigerant Flow-Heat Recovery Performance Characterization Walt Hunt, Harshal Upadhye, and Ron Domitrovic, Electric Power Research Institute Paul Delany and Bach Tsan, Southern California Edison

More information

Determination of the heat storage capacity of PCM and PCM objects as a function of temperature

Determination of the heat storage capacity of PCM and PCM objects as a function of temperature Determination of the heat storage capacity of PCM and PCM objects as a function of temperature E. Günther, S. Hiebler, H. Mehling ZAE Bayern, Walther-Meißner-Str. 6, 85748 Garching, Germany Outline Introduction

More information

Chapter 5. Measures of Humidity. Phases of Water. Atmospheric Moisture

Chapter 5. Measures of Humidity. Phases of Water. Atmospheric Moisture Chapter 5 Atmospheric Moisture Measures of Humidity 1. Absolute humidity 2. Specific humidity 3. Actual vapor pressure 4. Saturation vapor pressure 5. Relative humidity 6. Dew point Phases of Water evaporation

More information

CONDENSERS AND CONDENSER COOLING SYSTEMS

CONDENSERS AND CONDENSER COOLING SYSTEMS CONDENSERS AND CONDENSER COOLING SYSTEMS INTRODUCTION Conventional cooling methods of thermal power plants are extremely water intensive processes. Once-through cooling needs large natural bodies of water

More information

How Ground/Water Source Heat Pumps Work

How Ground/Water Source Heat Pumps Work How Ground/Water Source s Work Steve Kavanaugh, Professor Emeritus of Mechanical Engineering, University of Alabama Ground Source s (a.k.a. Geothermal s) are becoming more common as the costs of energy

More information

HIGH PERFORMANCE CHILLED WATER SYSTEMS. EarthWise HVAC. EarthWise HVAC High Performance CHW Plants

HIGH PERFORMANCE CHILLED WATER SYSTEMS. EarthWise HVAC. EarthWise HVAC High Performance CHW Plants HIGH PERFORMANCE CHILLED WATER SYSTEMS EarthWise HVAC Simon Ho e: Simon.Ho@irco.com 2012 EarthWise HVAC High Performance CHW Plants Low Flow Low Temperature Systems Variable Flow Systems Variable CHW Variable

More information

DETERMINATION OF THE HEAT STORAGE CAPACITY OF PCM AND PCM-OBJECTS AS A FUNCTION OF TEMPERATURE. E. Günther, S. Hiebler, H. Mehling

DETERMINATION OF THE HEAT STORAGE CAPACITY OF PCM AND PCM-OBJECTS AS A FUNCTION OF TEMPERATURE. E. Günther, S. Hiebler, H. Mehling DETERMINATION OF THE HEAT STORAGE CAPACITY OF PCM AND PCM-OBJECTS AS A FUNCTION OF TEMPERATURE E. Günther, S. Hiebler, H. Mehling Bavarian Center for Applied Energy Research (ZAE Bayern) Walther-Meißner-Str.

More information

APPLICATIONS AND DEFINITIONS

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:

More information

Application Potential of Solar-assisted Desiccant Cooling System in Sub-tropical Hong Kong

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

More information

A car air-conditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine

A car air-conditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine A car air-conditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine G Vicatos J Gryzagoridis S Wang Department of Mechanical Engineering,

More information

SOLAR-POWERED COOLING, DEHUMIDIFICATION AND AIR CONDITIONING

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,

More information

Data Centres. Special Working Group Spin I Relative Humidity in Data Centres

Data Centres. Special Working Group Spin I Relative Humidity in Data Centres Data Centres Special Working Group Spin I Table of Contents 1. Introduction 1 2. Data Centre Climate 1 2.1 Temperature 1 2.2 Particles and dust 2 2.3 Gases 3 2.4 Humidity 3 3. What is Humidity? 4 3.1 How

More information

The Second Law of Thermodynamics

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,

More information

imagine SOLAR AIR CONDITIONING MADE EASY

imagine SOLAR AIR CONDITIONING MADE EASY imagine SOLAR AIR CONDITIONING MADE EASY WHY SOLAR COOLING? Imagine...being able to fit a solar air conditioning system to your building that would result in dramatic reductions in electricity consumption

More information

WEATHER DATA STANDARDS

WEATHER DATA STANDARDS International Weather for Energy Calculations 2.0 (IWEC Weather Files) DVD List: $229.00 (ASHRAE Member: $199.00) Product code: 94051 WEATHER DATA Weather Data Viewer DVD, Version 5.0 List: $119.00 (ASHRAE

More information

Solar cooling and heating systems Application in the Cyprus University of Technology mechanical engineering laboratories

Solar cooling and heating systems Application in the Cyprus University of Technology mechanical engineering laboratories Solar cooling and heating systems Application in the Cyprus University of Technology mechanical engineering laboratories Presented by: Dr. Georgios Florides Faculty of Engineering and Technology Cyprus

More information

Creating the Ideal Environment for Accelerated Drying Times on Construction and Restoration Projects

Creating the Ideal Environment for Accelerated Drying Times on Construction and Restoration Projects 4.02.08 updated Creating the Ideal Environment for Accelerated Drying Times on Construction and Restoration Projects Moisture Removal Systems www.groundheaters.com www.wackerneuson.com Controlling moisture

More information

Cooling kw 5.2 6.0 7.1 Heating kw 5.65 6.35 7.75

Cooling kw 5.2 6.0 7.1 Heating kw 5.65 6.35 7.75 Specifications COOLING ONLY / HEAT PUMP 005 006 007 Capacity (Eurovent) Cooling kw 5.2 6.0 7.1 Heating kw 5.65 6.35 7.75 Nominal input (Eurovent) Cooling kw 1.89 2.35 2.95 Heating kw 1.97 2.24 2.83 EER

More information

Engineering White Paper UTILIZING ECONOMIZERS EFFECTIVELY IN THE DATA CENTER

Engineering White Paper UTILIZING ECONOMIZERS EFFECTIVELY IN THE DATA CENTER Engineering White Paper UTILIZING ECONOMIZERS EFFECTIVELY IN THE DATA CENTER SUMMARY A proper balance of temperature and humidity control is essential for efficient data center operation, and integral

More information

Comparing Air Cooler Ratings Part 1: Not All Rating Methods are Created Equal

Comparing Air Cooler Ratings Part 1: Not All Rating Methods are Created Equal Technical Bulletin By Bruce I. Nelson, P.E., President, Colmac Coil Manufacturing, Inc. Comparing Air Cooler Ratings Part 1: Not All Rating Methods are Created Equal SUMMARY Refrigeration air coolers (evaporators)

More information

www.hft-global.com/education Refrigeration & HVAC

www.hft-global.com/education Refrigeration & HVAC www.hft-global.com/education The HFT Refrigeration and HVAC range has been designed and developed to allow study of the theoretical and practical operation of many types of refrigeration and air conditioning

More information

System solution for data centres

System solution for data centres 1 System solution for data centres Energy-efficient air conditioning with ServeLine Cooling IT infrastructure, high availability, low energy costs and communication with DCIM systems all in one from your

More information

Scroll Compressor Development for Air-Source Heat Pump Water Heater Applications

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

More information

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 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

More information

TEST REPORT #44. System Drop-in Tests of Refrigerant R-32 in Single Packaged Vertical Heat Pump (SPVH)

TEST REPORT #44. System Drop-in Tests of Refrigerant R-32 in Single Packaged Vertical Heat Pump (SPVH) Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Low-GWP Alternative Refrigerants Evaluation Program (Low-GWP AREP) TEST REPORT #44 System Drop-in Tests of Refrigerant R-32 in Single Packaged

More information

ALONE. small scale solar cooling device Project No TREN FP7EN 218952. Project No TREN/FP7EN/218952 ALONE. small scale solar cooling device

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:

More information

Atmospheric Humidity. Chapter 4

Atmospheric Humidity. Chapter 4 Atmospheric Humidity Chapter 4 Circulation of Water in the Atmosphere A general definition of humidity is the amount of water vapor in the air. Remember, humidity is not constant through time or space,

More information

Environment Control Technology for Electronic Equipment Manufacturing Facilities

Environment Control Technology for Electronic Equipment Manufacturing Facilities Hitachi Review Vol. 6 (211), No. 5 233 Environment ontrol Technology for Electronic Equipment Manufacturing Facilities Matsuo Kamitani Ryusuke Gotoda Yasuhiro Kashirajima Makoto Tanaka OVERVIEW: ontrol

More information

Task 49/IV. Solar. Solar Process Heat for Production and Advanced Applications

Task 49/IV. Solar. Solar Process Heat for Production and Advanced Applications Task 49/IV Process Heat for Production and Advanced Applications Operating Agent IEA SHC: Christoph Brunner AEE INTEC Gleisdorf, Austria c.brunner@aee.at PACES Contact: Klaus Hennecke DLR Research Köln,

More information

We have been working in an ideal climate for thirty years.

We have been working in an ideal climate for thirty years. Underfloor cooling We have been working in an ideal climate for thirty years. A climate that has brought us to a position of leadership in Italy in the field of radiant heating and cooling. RDZ was the

More information

Data Center Heat Rejection

Data Center Heat Rejection This article was published in ASHRAE Journal, March 2011. Copyright 2011 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. Posted at www.ashrae.org. This article may not be

More information

EXPERIMENTAL EVALUATION AND MODELING OF A SOLAR LIQUID DESICCANT AIR CONDITIONER

EXPERIMENTAL EVALUATION AND MODELING OF A SOLAR LIQUID DESICCANT AIR CONDITIONER EXPERIMENTAL EVALUATION AND MODELING OF A SOLAR LIQUID DESICCANT AIR CONDITIONER by Lisa Crofoot A thesis submitted to the Department of Mechanical and Materials Engineering In conformity with the requirements

More information

SONNENKLIMA package solution description

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...

More information

Waste Heat Recovery in R & AC Systems

Waste Heat Recovery in R & AC Systems Waste Heat Recovery in R & AC Systems B. Naveen 1, K. Balasubramanian 2, M. Yaswanth 3, A. V. Arun Kumar 4, U. Sastha Kumar 5 1, 3, 4 Student of Mechanical Engineering (4 th year), Panimalar Institute

More information

Federation of European Heating, Ventilation and Air-conditioning Associations

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

More information

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. 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

More information

Malmö Police House A Cool and Hot case

Malmö Police House A Cool and Hot case Malmö Police House A Cool and Hot case Saqib Javed, PhD, PE Building Services Chalmers University / Lund University Email: saqib.javed@chalmers.se Kyl & Värmepumpdagen 2015 Page 1 Energy Efficient Heating

More information

Hospital Application Guide. Cost-effective climate control for hospitals

Hospital Application Guide. Cost-effective climate control for hospitals Hospital Application Guide Cost-effective climate control for hospitals Munters is the world leader in dehumidification Munters is the largest manufacturer of dehumidifiers in the world. Since developing

More information

FLORIDA SOLAR ENERGY CENTER

FLORIDA SOLAR ENERGY CENTER FLORIDA SOLAR ENERGY CENTER Creating Energy Independence Since 1975 Impact of Energy-Efficiency Parameters on Home Humidity Rob Vieira Florida Solar Energy Center A Research Institute of the University

More information

Rating Water-Source Heat Pumps Using ARI Standard 320 and ISO Standard 13256-1

Rating Water-Source Heat Pumps Using ARI Standard 320 and ISO Standard 13256-1 Rating Water-Source Heat Pumps Using ARI Standard 320 and ISO Standard 13256-1 W. Vance Payne and Piotr A. Domanski National Institute of Standards and Technology Building and Fire Research Laboratory

More information

Cooling Systems 2/18/2014. Cooling Water Systems. Jim Lukanich, CWT ChemCal, Inc. Grapevine, TX

Cooling Systems 2/18/2014. Cooling Water Systems. Jim Lukanich, CWT ChemCal, Inc. Grapevine, TX Cooling Systems Jim Lukanich, CWT ChemCal, Inc. Grapevine, TX Cooling Water Systems Water is used for cooling because of its capacity to remove and store heat and availability. Cooling water is used in

More information

Numerical study of heat pipe application in heat recovery systems

Numerical study of heat pipe application in heat recovery systems Applied Thermal Engineering 25 (2005) 127 133 www.elsevier.com/locate/apthermeng Numerical study of heat pipe application in heat recovery systems Song Lin *, John Broadbent, Ryan McGlen Thermacore Europe,

More information