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Near-Field Thermal Radiation for Energy Conversion

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SEMINAR 

  Key Laboratory of Inorganic Coating Materials, Chinese Academy of Sciences 

  中国科学院特种无机涂层重点实验室    

  Topic:Near-Field Thermal Radiation for Energy Conversion 

  Speaker 

  Professor Zhuomin Zhang    

  George W. Woodruff School of Mechanical Engineering 

  2017年8月16日(星期三)上午 9: 30嘉定园区十号楼2楼会议室  

  联系人: 章俞之69906172  刘玮69906170 

  欢迎广大科研人员和研究生参与交流讨论! 

  报告内容摘要Nanoscale thermal radiation can significantly enhance the radiative heat flux and may have important applications in heat-to-electricity energy harvesting and electroluminescent refrigeration. In addition to thermophotovoltaic (TPV) devices, near-field thermoradiative power generator and electroluminescent refrigerator have been suggested recently. In a thermoradiative cell, electrical power is directly extracted from a semiconductor p-n junction whose temperature is higher than its surroundings; at the same time, the semiconductor diode emits photons to the surroundings. In electroluminescent refrigeration, the net radiative heat transfer is from an object at a lower temperature to an object at a higher temperature by electrically biasing a p-n junction to change the chemical potential of photons. An overview of radiative thermoelectric energy conversion devices will be given in this talk. Some simulation results on near-field enhanced electroluminescent refrigeration will be presented along with some experimental results on near-field radiation measurements. 

  报告人简介:Prof. Zhang earned a Ph.D. degree from MIT and worked at NIST and University of Florida prior to joining Georgia Tech. He received his B.S. and M.S. degrees from the University of Science and Technology of China (Hefei). Prof. Zhang is a Fellow of ASME, AAAS, and APS. Prof. Zhang’s research interests are in micro/nanoscale heat transfer especially thermal radiation for energy conversion and temperature measurement. He has written a book on Nano/Microscale Heat Transfer, co-authored over 170 journal papers, and given over 300 invited and contributed presentations. He currently serves as an associate editor of the Journal of Heat Transfer and Journal of Quantitative Spectroscopy & Radiative Transfer. Prof. Zhang was a recipient of the 1999 Presidential Early Career Award for Scientists and Engineers (PECASE) and the 2015 ASME Heat Transfer Memorial Award (in the Science category). He has also won a number of teaching, research, and best paper awards. He has been named an Overseas Expert of the Chinese Academy of Sciences.

 
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