Optimization of power generating thermoelectric modules utilizing LNG cold energy |
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| Affiliation: | 1. Research Institute for Medical Sciences, College of Medicine, Inha University, Incheon, 22212, South Korea;2. Water Cycle Research Center, Korea Institute of Science and Technology (KIST), Division of Energy and Environment Technology, KIST-School, University of Science and Technology, Seoul, 02792, South Korea;3. ECOSET Co., Ltd., Ansan, 15610, South Korea;1. Shanghai University of Engineering Science, Shanghai 201620, China;2. CSIRO Mineral Resources, Victoria 3168, Australia;3. Shanghai Natural Gas Pipeline Network Co., Ltd., Shanghai 201204, China;1. Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan;2. National Synchrotron Radiation Research Center, Hsinchu, Taiwan;1. Department of Civil Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China;2. Surbana Jurong – Nanyang Technological University Corporate Lab, 61 Nanyang Drive, 637355, Singapore;3. GREiA Research Group, Universitat de Lleida, Pere de Cabrera s/n, 25001 Lleida, Spain;4. School of Civil Engineering, Southeast University, Nanjing 211189, China;5. Faculty of Mechanical Engineering, Universiti Teknologi Malaysia (UTM), Johor, Malaysia;6. School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore;7. School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore |
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| Abstract: | A theoretical investigation to optimize thermoelectric modules, which convert LNG cold energy into electrical power, is performed using a novel one-dimensional analytic model. In the model the optimum thermoelement length and external load resistance, which maximize the energy conversion ratio, are determined by the heat supplied to the cold heat reservoir, the hot and cold side temperatures, the thermal and electrical contact resistances and the properties of thermoelectric materials. The effects of the thermal and electrical contact resistances and the heat supplied to the cold heat reservoir on the maximum energy conversion ratio, the optimum thermoelement length and the optimum external load resistance are shown. |
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| Keywords: | Thermoelectric Power generation LNG Cold energy Optimization |
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