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Cooling Performance of an Modified R744 Air Conditioning System with Vortex Tube and Internal Heat Exchanger for an Electric Vehicle
Technical Paper
2021-24-0098
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Thermal comfort in the vehicle cabin environment is an important factor for passengers of both internal combustion engines and electric vehicles. Heating, Ventilation and Air Conditioning (HVAC) is a critical system for electric vehicles (EVs) as it is the second most power consumer after electric motor. Novel solutions dedicated to EV, including thermoelectric air conditioning (AC) modules, vapor compression refrigeration (VCR), cycle positive temperature coefficient (PTC) heater as well as heat pumps (HP), are being investigated to maintain a stable and comfortable interior environment under hot and cold weather conditions. At present, the mostly dominated automotive AC systems are those using R134a refrigerant characterized by high global warming potential.
Therefore, an innovative and ecofriendly AC system design still must be developed to supply sufficient cooling or heating capacity while minimizing the influence of the AC system on driving ranges and environmental performance.
A potential solution is represented by vortex tube-based AC systems. The vortex tube is a fluid dynamic device which is capable to separate an inlet compressed flow in two streams at hot and cold temperature, respectively.
The objective of this study is to investigate the feasibility of the use of vortex tube integrated to the transcritical R744 (t-R744) AC system for an electric vehicle. Using a preliminary configuration of a vortex tube device developed for a commercially available mini-EV, the energy analysis of the system under various experimental conditions was performed and its performance parameters under steady state operation were evaluated.
Specifically, the Coefficient Of Performance (COP) of the vortex tube transcritical R744 AC system and its influence on the driving range were assessed for different external weather conditions. Finally, this solution is compared with the basic transcritical R744 cycle and with its mostly used modification which considers an internal heat exchanger for the same working conditions of VCR.
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Mendecka, B., Chiappini, D., and Bella, G., "Cooling Performance of an Modified R744 Air Conditioning System with Vortex Tube and Internal Heat Exchanger for an Electric Vehicle," SAE Technical Paper 2021-24-0098, 2021, https://doi.org/10.4271/2021-24-0098.Data Sets - Support Documents
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References
- https://www.iea.org/reports/global-ev-outlook-2021
- Zhang , Z. , Wang , J. , Feng , X. , Chang , L. et al. The Solutions to Electric Vehicle Air Conditioning Systems: A Review Renew Sustain Energy Rev 91 2018 443 463 https://doi.org/10.1016/j.rser.2018.04.005
- Lee , J. , Kwon , S. , Lim , Y. , Chon , M. et al. Effect of Air-Conditioning on Driving Range of Electric Vehicle for Various Driving Modes SAE Technical Paper 2013-01-0040 2013 https://doi.org/10.4271/2013-01-0040
- Zhang , Z. , Wang , D. , Zhang , C. , and Chen , J. Electric Vehicle Range Extension Strategies Based on Improved AC System in Cold Climate - a Review Electric Vehicle Range Extension Strategies Based on Improved AC System in Cold Climate - A Review Point Sur Les Différentes Stratégies Pour Prolonger l ’ a Int J Refrig 88 2018 141 150 https://doi.org/10.1016/j.ijrefrig.2017.12.018
- Guyonvarch , G. , Aloup , C. , Petitjean , C. , and Monts de Savasse , A. 42 V Electric Air Conditioning Systems (E-A/CS) for Low Emissions, Architecture, Comfort and Safety of Next Generation Vehicles SAE Technical Paper 2001-01-2500 2001 https://doi.org/10.4271/2001-01-2500
- Suzuki , T. and Ishii , K. Air Conditioning System for Electric Vehicle SAE Technical Paper 960688 1996 https://doi.org/10.4271/960688
- Zhou , G. , Li , H. , Liu , E. , Li , B. et al. Experimental Study on Combined Defrosting Performance of Heat Pump Air Conditioning System for Pure Electric Vehicle in Low Temperature Appl Therm Eng 116 2017 677 684 https://doi.org/10.1016/j.applthermaleng.2017.01.088
- Bellocchi , S. , Leo Guizzi , G. , Manno , M. , Salvatori , M. et al. Reversible Heat Pump HVAC System with Regenerative Heat Exchanger for Electric Vehicles : Analysis of Its Impact on Driving Range Appl Therm Eng 129 2018 290 305 https://doi.org/10.1016/j.applthermaleng.2017.10.020
- Lee , D. Experimental Study on the Heat Pump System Using R134a Refrigerant for Zero-Emission Vehicles Int J Automot Technol 16 2015 923 928 https://doi.org/10.1007/s12239-015-0094-2
- Feng , L. and Hrnjak , P. Experimental Study of an Air Conditioning-Heat Pump System for Electric Vehicles SAE Technical Paper 2016-01-0257 2016 https://doi.org/10.4271/2016-01-0257
- Wang , M. , Craig , T. , Wolfe , E. , LaClair , T. et al. Integration and Validation of a Thermal Energy Storage System for Electric Vehicle Cabin Heating SAE Technical Paper 2017-01-0183 2017 https://doi.org/10.4271/2017-01-0183
- Zhang , Q. and Canova , M. Modeling Air Conditioning System with Storage Evaporator for Vehicle Energy Management Appl Therm Eng 87 2015 779 787 https://doi.org/10.1016/j.applthermaleng.2015.05.003
- Brodie , B. , Takano , Y. , and Gocho , M. Evaporator with Integrated Ejector for Automotive Cabin Cooling SAE Technical Paper 2012-01-1048 2012 https://doi.org/10.4271/2012-01-1048
- European Commission Directive 2006/40/EC of the European Parliament and of the Council of 17 May 2006 Relating to Emissions from Air-Conditioning Systems in Motor Vehicles and Amending Council Directive 70/156/EEC Off J Eur Union 2006 12 18
- Wu , J. , Zhou , G. , and Wang , M. A Comprehensive Assessment of Refrigerants for Cabin Heating and Cooling on Electric Vehicles Appl Therm Eng 174 2020 115258 https://doi.org/10.1016/j.applthermaleng.2020.115258
- Lee , Y. and Jung , D. A Brief Performance Comparison of R1234yf and R134a in a Bench Tester for Automobile Applications Appl Therm Eng 35 2012 240 242 https://doi.org/10.1016/j.applthermaleng.2011.09.004
- Yang , Z. , Feng , B. , Ma , H. , Zhang , L. et al. Analysis of Lower GWP and Flammable Alternative Refrigerants Int J Refrig 126 2021 12 22 https://doi.org/10.1016/j.ijrefrig.2021.01.022
- Tamura , T. , Yakumaru , Y. , and Nishiwaki , F. Experimental Study on Automotive Cooling and Heating Air Conditioning System Using CO 2 as a Refrigerant Int J Refrig 28 2005 1302 1307 https://doi.org/10.1016/j.ijrefrig.2005.09.010
- Boewe , D. , Yin , J. , Park , Y.C. , Bullard , C.W. et al. 2018
- Thakare , H.R. and Parekh , A.D. Experimental Investigation of Ranque — Hilsch Vortex Tube and Techno - Economical Evaluation of Its Industrial Utility Appl Therm Eng 169 2020 114934 https://doi.org/10.1016/j.applthermaleng.2020.114934
- Hamdan , M.O. , Al-omari , S.B. , and Oweimer , A.S. Experimental Study of Vortex Tube Energy Separation under Different Tube Design Exp Therm Fluid Sci 91 2018 306 311 https://doi.org/10.1016/j.expthermflusci.2017.10.034
- Itao , D. and Oliveira , S. Study of an Alternative Vehicular Air Conditioning System with the Application of Vortex Tubes Utilizing the Concept of Energetic Regeneration SAE Technical Paper 2006-01-2576 2006 https://doi.org/10.4271/2006-01-2576
- Fayazbakhsh , M. and Bahrami , M. Comprehensive Modeling of Vehicle Air Conditioning Loads Using Heat Balance Method SAE Technical Paper 2013-01-1507 2013 https://doi.org/10.4271/2013-01-1507
- Manual , S. 2012
- ANSI/ASHRAE Standard 55-2017 Thermal Environmental Conditions for Human Occupancy Atlanta, GA American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc. 2017
- Sarkar , J. Cycle Parameter Optimization of Vortex Tube Expansion Transcritical CO2 System Int J Therm Sci 48 2009 1823 1828 https://doi.org/10.1016/j.ijthermalsci.2009.01.016
- Sanden
- Wager , G. , Whale , J. , and Braunl , T. Driving Electric Vehicles at Highway Speeds: The Effect of Higher Driving Speeds on Energy Consumption and Driving Range for Electric Vehicles in Australia Renew Sustain Energy Rev 63 2016 158 165 https://doi.org/10.1016/j.rser.2016.05.060
- De Cauwer , C. , Van Mierlo , J. , Coosemans , T. , De , C.C. et al. Energy Consumption Prediction for Electric Vehicles Based on Real-World Data Energies 8 2015 8573 8593 https://doi.org/10.3390/en8088573