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Design of a solar-driven methanol steam reforming receiver/reactor with a thermal storage medium and its performance analysis
Affiliation:1. Solar Energy Research Institute, Yunnan Normal University, Yunnan, China;2. Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan;1. Department of Mechanical Engineering, National Chung Hsing University, Taichung, Taiwan, ROC;2. Department of Mechanical Engineering, University of California, Berkeley, CA, USA;1. Fuel Cell Systems Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan;2. Laser and Thermal Engineering Laboratory, Department of Mechanical Engineering, Gachon University, Seongnam 13120, South Korea;3. Nano Engineering and Advanced Thermalfluids Laboratory, Department of Mechanical Engineering, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan, ROC;4. Laser Thermal Laboratory, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720-1740, USA;1. College of Pipeline and Civil Engineering, China University of Petroleum (East China), Qingdao 266580, PR China;2. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, PR China;3. University of Chinese Academy of Sciences, Beijing 100049, PR China;4. School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, PR China;1. School of Energy, Power and Mechanical Engineering, North China Electric Power University, Changping District, Beijing 102206, China;2. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China;3. University of Chinese Academy of Sciences, Beijing 100049, China;1. Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, 710049, China;2. Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, 14853, USA
Abstract:A novel method of triple line focused on solar-powered receiver/reactor with a thermal storage medium for methanol steam reforming (MSR) hydrogen production is proposed in this paper. The photo-thermal-chemical energy conversion and coupling equations of the receiver/reactor are established, and the dynamic regularity between solar radiation and the hydrogen production characteristics is obtained by numerical simulation. The results show that a high solar radiation intensity helps to stabilize the duration of the reaction. For every 100 W m?2 increase in the solar radiation intensity, the duration of the reaction maintained at the phase change point temperature of the phase change material (PCM) increases by approximately 11%. The daily hydrogen production performance of the system in Kunming (102°43′E and 25°02′N) during typical solar days is studied. The average annual total hydrogen production per unit of the lighting area is approximately 1300 m3. This research can guide similar issues related to solar thermochemical technology.
Keywords:Triple focus  Solar-driven  Methanol steam reforming receiver/reactor  Solar radiation intensity  Hydrogen production  Hydrogen production rate
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