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Journal of Enhanced Heat Transfer
Impact-faktor: 1.406 5-jähriger Impact-Faktor: 1.075 SJR: 0.287 SNIP: 0.653 CiteScore™: 1.2

ISSN Druckformat: 1065-5131
ISSN Online: 1563-5074

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Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v24.i1-6.120
pages 223-238

HEAT TRANSFER ENHANCEMENT IN LATENT HEAT THERMAL ENERGY STORAGE SYSTEM

Yuwen Zhang
University of Missouri, Columbia, MO 65201, USA
Amir Faghri
College of Engineering, Department of Mechanical Engineering, University of Connecticut, 191 Auditorium Rd., Unit 3139, Storrs CT 06269-3139, USA

ABSTRAKT

The heat transfer enhancement in the latent heat thermal energy storage system by using an externally finned tube is presented in this paper. The melting in the phase change materials and heat conduction in the tube wall and fins are described by a temperature transforming model coupled to the heat transfer from transfer fluid. The forced convection inside the tube was solved by an analytical method. The results show that the local Nusselt number inside the tube cannot be simply given by the Graetz solution. The effects of the tube wall and initial subcooling on the heat transfer performance are also studied.


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