New dynamic modeling of a real embedded metal hydride hydrogen storage system |
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| Affiliation: | 1. Human Informatics Research Institute, National Institute of Advanced Industrial Science and Technology, Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki, Japan;2. Research Institute of Energy Frontier, National Institute of Advanced Industrial Science and Technology, 16-1 Onogawa, Tsukuba, Ibaraki, Japan;1. Department of Mechanical Engineering, Technical University of Denmark, Nils Koppel''s Alle 403, DK-2800 Kongens-Lyngby, Denmark;2. Helmholtz-Zentrum Geesthacht, Department of Nanotechnology, Max-Planck-Straße 1, 21502 Geesthacht, Germany;3. H2 Logic A/S, Industriparken 34 B, DK-7400 Herning, Denmark;4. Center for Materials Crystallography, Interdisciplinary Nanoscience Center and Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark;5. Department of Energy Conversion and Storage, Technical University of Denmark, DK-2800 Kongens-Lyngby, Denmark;1. Department of Mechanical Engineering, Inha University, 100 Inha-ro Nam-Gu, Incheon 402-751, Republic of Korea;2. National Fusion Research Institute, Gwahagno 113, Yuseong-gu, Daejeon 305-333, Republic of Korea;3. Department of Applied Chemistry, Konkuk University, 322 Danwol-Dong, Chungju, Chungbuk 380-701, Republic of Korea;4. Material Engineering and Science, Hongik University, Jochiwon-eup, Yeongi-gun, Chungnam 339-701, Republic of Korea;5. Department of Materials Science and Engineering, Korea National University of Transportation, Chungju 380-702, Republic of Korea;1. Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, University of Monastir, Tunisia;2. High School of Science and Technology of Hammam Sousse, University of Sousse, Tunisia;3. Mechanical Engineering Department, Faculty of Engineering, University of King Khalid, Abha, Saudi Arabia;1. Korea Institute of Machinery and Materials, Yuseong-gu, Daejeon 305-343, South Korea;2. Chung Nam National University, Yuseong-gu, Daejeon 305-764, South Korea;3. Chon Buk National University, Jeonju, Jeonbuk 561-756, South Korea;4. Agency for Defense Development, Yuseong-gu, Daejeon 305-600, South Korea |
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| Abstract: | In this work, the dynamic responses of the on board hydrogen storage system with commercially available metal hydride tanks are investigated based on the database collected from fuel cell electric vehicles operation experiments. A mathematical model considering the heat transfer measured by the temperature control system is developed to analyze the absorption and desorption reaction during operation. As a seal container filled with unknown metal hydride, the practical used hydrogen storage tank is a gray box in the embedded storage system. Without the information about characteristics of material, current operation state and degradation degree, the parameters of the model are uncertain. Particle swarm optimization (PSO) algorithm is applied to search for the optimal parameter set. The simulation results of the hydrogen storage system model using these parameters show great agreements with the real operating data under different temperature conditions; the maximal error is lower than 9%. |
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| Keywords: | hydrogen storage Metal hydride Dynamic response Parameter identification PSO |
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