MORe (Microchannel oil-free refrigeration) system for air conditioner in electric vehicle


报告题目:MORe (Microchannel oil-free refrigeration) system for air conditioner in electric vehicle / 适用于电动汽车空调系统的高效率无润滑油微通道冷却系统

报告人:梁昆  英国萨塞克斯大学助理教授(终身职位)






    Dr Kun Liang is a lecturer at the Department of Engineering and Design, University of Sussex since 2016. He is Harry Kroto Research Fellow of 2017 hosted by the KTH Royal Institute of Technology, Sweden. He is Visiting Fellow of the University of Oxford since 2016 hosted by Combustion & Cryogenics Groups. He is a Common Room Member of Wolfson College, Oxford since 2010. Dr Kun Liang received his D.Phil. (Ph.D.) from the University of Oxford in 2014, where he stayed as a Post-Doctoral Research Assistant until 2016. He was supervised by Prof Richard Stone during his 6 years at Oxford. He holds a M.Sc. and a B.Eng. in Vehicle Engineering from Tongji University and Jiaotong University respectively. Dr Kun Liangs areas of research are: combustion engine and alternative fuels, linear machines and control, and Stirling/pulse tube cryocooler. He is a Member of the Society of Automotive Engineers (SAE), the Cryogenic Society of America (CSA), and the International Institute of Refrigeration (IIR). His research aim for low emission high efficiency combustion systems and low cost high efficiency cryogenic/refrigeration systems.


Microchannel heat exchangers can be used for air conditioner in electric vehicle to reduce the refrigerant charge thus gas emissions. Lubricant oil can’t be tolerated in microchannel as heat transfer coefficient will be reduced. An oil-free linear compressor allow the use of microchannel heat exchanger. The high efficiency linear motor will be more attractive for applications such as air conditioner in electric vehicle, where battery consumption is massive. The proposed MORe system consists of compact oil-free linear compressor (over 90%) and microchannel heat exchangers. A prototype system has been constructed and instrumented at the University of Oxford and the University of Sussex. This talk will present system performance data. The technology originated from space cryocooler over 40 years ago in the UK.



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