SPHERICAL PHASE-CHANGE ENERGY STORAGE WITH CONSTANT TEMPERATURE HEAT INJECTION.

被引：0
|
作者：
Kumar, A. [1 ]
Prasad, A. [1 ]
Upadhaya, S.N. [1 ]
机构：
[1] Tata Iron & Steel Co, Jamshedpur, India, Tata Iron & Steel Co, Jamshedpur, India
来源：
Journal of Energy Resources Technology, Transactions of the ASME | 1987年 / l09卷 / 03期
关键词：
MATHEMATICAL MODELS;
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摘要：
Storage of thermal energy due to latent heat involved during outward radial melting of a phase-change material contained in a spherical shell is solved using variational, integral and quasi-steady methods. At uniform temperature heat is applied to inner surface. These methods provide closed-form solutions to the Stefan number, an independent parameter. The results for total energy storage, the phase-change depth and their rate obtained from these approximate analyses do not vary significantly.
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