Heat transfer analysis of thermal energy storage using phase change materials |
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| Institution: | 1. State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum, 102249 Beijing, PR China;2. College of Petroleum Engineering, China University of Petroleum, 102249 Beijing, PR China;1. University of Michigan Transportation Research Institute, Ann Arbor, Michigan, USA;2. Toyota Technical Center USA, Toyota Motor Engineering and Manufacturing North America, Inc., USA;1. School of Information Science and Technology, University of Science and Technology of China, Hefei, 230027, China;2. Department of Computer Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China;1. Department of Materials Physics, Dong-A University, Saha-gu, Busan, Republic of Korea;2. Center for Safety Measurements, Korea Research Institute of Standards and Science, Daejeon, Republic of Korea |
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| Abstract: | An analytical study is described of a freezing/melting phenomenon of a phase change material encapsulated in a pipe with the heat transfer fluid flowing in the annulus of a concentric pipe. The moving front problem is solved numerically using the boundary immobilization technique. Parameters such as the Stefan number, the Fourier number and the diameter ratio of the two concentric pipes to obtain sufficiently large heat transfer rates to make the system suitable for thermal energy storage are examined. |
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