The present study describes and classifies latent heat thermal energy storage (LHTES) systems according to their structural characteristics. A general model is developed for analyzing the thermal characteristics of the various typical LHTES systems to simulate thermal characteristics such as instantaneous heat transfer rate, instantaneous thermal storage capacity, etc. of the various typical LHTES systems. The model can calculate some important but difficult to measure system parameters for monitoring the charging or discharging processes of the systems. The model is verified using experimental data in the literature. Results from the model can be used to discuss the influence of the characteristic geometric parameters of LHTES units, the physical properties of the phase change material (PCM), the flow type and the velocity of heat transfer fluid (HTF) on the system thermal performance and to identify the key factors influencing the system thermal performance. The general model can be used to select and optimize the system structure and to simulate the thermal behavior of various typical LHTES systems.
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November 1999
Research Papers
A General Model for Analyzing the Thermal Characteristics of a Class of Latent Heat Thermal Energy Storage Systems
Kang Yanbing,
Kang Yanbing
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
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Zhang Yinping,
Zhang Yinping
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
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Jiang Yi,
Jiang Yi
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
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Zhu Yingxin
Zhu Yingxin
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
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Kang Yanbing
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
Zhang Yinping
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
Jiang Yi
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
Zhu Yingxin
Department of Thermal Engineering, Tsinghua University, Beijing, 100084, P.R. China
J. Sol. Energy Eng. Nov 1999, 121(4): 185-193 (9 pages)
Published Online: November 1, 1999
Article history
Received:
August 1, 1999
Revised:
November 1, 1999
Online:
February 14, 2008
Citation
Yanbing, K., Yinping, Z., Yi, J., and Yingxin, Z. (November 1, 1999). "A General Model for Analyzing the Thermal Characteristics of a Class of Latent Heat Thermal Energy Storage Systems." ASME. J. Sol. Energy Eng. November 1999; 121(4): 185–193. https://doi.org/10.1115/1.2888165
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