Experimental investigation and numerical analysis for one-stage thermoelectric cooler considering Thomson effect |
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| Authors: | Chien-Yi Du Chang-Da Wen |
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| Affiliation: | 1. Department of Refrigeration & Cryogenics, Huazhong University of Science and Technology, Wuhan, China;2. Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong;1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China;2. Beijing Key Laboratory of Multiphase Flow and Heat Transfer for Low Grade Energy, North China Electric Power University, Beijing 102206, China;3. Department of Mechanical Engineering, National Chung Cheng University, Chiayi 62102, Taiwan;4. Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 70101, Taiwan;5. Institute of Mechatronic System Engineering, National University of Tainan, Tainan 700, Taiwan;1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China;2. Department of Mechanical Engineering, National Chung Cheng University, Chiayi 62102, Taiwan;3. Beijing Key Laboratory of Multiphase Flow and Heat Transfer for Low Grade Energy, North China Electric Power University, Beijing 102206, China;4. Department of Aeronautics and Astronautics, National Cheng-Kung University, Tainan 70101, Taiwan;5. Institute of Mechatronic System Engineering, National University of Tainan, Tainan 700, Taiwan |
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| Abstract: | This study conducts experimental investigation and numerical analysis for one-stage thermoelectric cooler (TEC) considering Thomson effect. Three Seebeck coefficient models are applied to numerically and experimentally study the Thomson effect on TEC. Results show that higher current, higher hot side temperature, or lower heat load can increase the temperature difference between the cold and hot sides. Opposite trends are found for COP. Specific current should be chosen as the upper threshold in thermoelectric cooler design. The cooling performance can improve when the Thomson heat maintains positive. |
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