Proceedings ArticleDOI
Analysis of Transient Heat Transfer in a Thermal Energy Storage Module
Sarada Kuravi,Jamie Trahan,Muhammad M. Rahman,D. Y. Goswami,Elias K. Stefanakos +4 more
- pp 1251-1258
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TLDR
In this paper, the transient behavior of a thermal energy storage system was studied numerically, where the storage system is composed of cylindrical tube containing the phase change material (PCM) surrounded by the heat transfer fluid (HTF) that flows along the axial direction of the tube.Abstract:
The transient behavior of a thermal energy storage system was studied numerically. The storage system is composed of cylindrical tube containing the phase change material (PCM) surrounded by the heat transfer fluid (HTF) that flows along the axial direction of the tube. The melting of PCM was solved using specific heat capacity method. The heat transfer inside the tubes was analyzed by solving the energy equation, which was coupled with the heat conduction equation in the container wall. The velocity profile was obtained by solving the annular flow outside the tubes. The parameters that control the thermal behavior were identified. Several numerical simulations were performed to assess the effects of the Reynolds number on the heat transfer process of the system during the melting of a PCM.Copyright © 2010 by ASMEread more
Citations
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Journal ArticleDOI
Thermal energy storage technologies and systems for concentrating solar power plants
TL;DR: In this article, a review of thermal energy storage system design methodologies and the factors to be considered at different hierarchical levels for concentrating solar power (CSP) plants is presented.
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Maximization of performance of a PCM latent heat storage system with innovative fins
TL;DR: In this article, a tree-shaped fin with one and two bifurcations was proposed to enhance the performance of a shell-and-tube LHTES unit.
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Experimental and numerical study of constrained melting of n-octadecane with CuO nanoparticle dispersions in a horizontal cylindrical capsule subjected to a constant heat flux
TL;DR: In this article, the authors investigated the effects of the nanoparticle weight concentration and the amount of applied heat flux (Rayleigh number) on the melting characteristics of n-octadecane as phase change material (PCM) dispersed with CuO nanoparticles as thermal conductivity enhancer (TCE) that was contained and heated in a horizontal cylindrical vessel under a constant heat flux.
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Numerical analysis of a medium scale latent energy storage unit for district heating systems
TL;DR: In this article, the authors describe the application of computational fluid-dynamics (CFD) to the design and characterization of a medium scale energy storage unit for district heating systems.
Journal ArticleDOI
A Thermal Model for Predicting the Performance of a Solar Still with Fresnel Lens
Ana Johnson,Lei Mu,Young Ho Park,Delia J. Valles,Huiyao Wang,Pei Xu,Krishna Kota,Sarada Kuravi +7 more
TL;DR: In this paper, a point focusing Fresnel lens was used in the experiments to enhance the solar input and a significant rise in the productivity of the still was achieved with the lens.
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