Journal ArticleDOI
Effects of natural convection on latent heat storage performance of salt in a horizontal concentric tube
Y.B. Tao,Ya-Ling He +1 more
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In this article, the effects of fin geometric parameters on the LHS performance were numerically investigated and the results showed that the local fins can improve the uniformity of the LIS process.About:
This article is published in Applied Energy.The article was published on 2015-04-01. It has received 154 citations till now. The article focuses on the topics: Annular fin & Natural convection.read more
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Effect of the circumferential and radial graded metal foam on horizontal shell-and-tube latent heat thermal energy storage unit
TL;DR: In this paper, a two-dimensional porosity gradient structure was proposed for the problem of slow melting rate and non-uniform melting in the horizontal shell-and-tube LHTESU.
Journal ArticleDOI
Optimization and design criterion of the shell-and-tube thermal energy storage with cascaded PCMs under the constraint of outlet threshold temperature
TL;DR: In this paper, a transient, two-dimensional, and axisymmetric model of a shell-and-tube thermal energy storage system (LHTES) is established.
Journal ArticleDOI
Sensitivity analysis of thermophysical properties on PCM selection under steady and fluctuating heat sources: A comparative study
TL;DR: In this paper, the authors compared the difference in material selection for a shell-and-tube LTES under steady and fluctuating heat sources, which comprehensively considered the effects of PCM thermophysical properties including the melting temperature, density, specific heat capacity, thermal conductivity and latent heat, as well as their interaction effects.
Journal ArticleDOI
Numerical investigation of using helical fins for the enhancement of the charging process of a latent heat thermal energy storage system
S. Ahangar Zonouzi,Arash Dadvar +1 more
TL;DR: In this article , the thermal performance of a vertically oriented shell and tube latent heat thermal energy storage (LHTES) system by using helical fin was investigated, and it was shown that the effect of the presence of the fin in a LHTES unit can significantly improve the performance of the system.
Journal ArticleDOI
Development of a heat transfer coefficient based design method of a thermal energy storage device for transport air-conditioning applications
TL;DR: In this paper, the authors studied the heat transfer characteristics of a phase change material (PCM) based thermal energy storage (TES) device for transport air conditioning applications and measured the charging and discharging times and the transient heat flux of the TES device.
References
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Journal ArticleDOI
High-temperature phase change materials for thermal energy storage
TL;DR: In this article, the state of the art in investigations and developments of high-temperature phase change materials perspective for storage thermal and a solar energy in the range of temperatures from 120 to 1000 °C.
Journal ArticleDOI
A numerical investigation of heat transfer in phase change materials (PCMs) embedded in porous metals
Yuan Tian,Changying Zhao +1 more
TL;DR: In this article, the effects of metal foams on heat transfer enhancement in phase change materials (PCMs) are investigated based on the two-equation non-equilibrium heat transfer model, in which the coupled heat conduction and natural convection are considered at phase transition and liquid zones.
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Experimental and numerical study of annular PCM storage in the presence of natural convection
TL;DR: In this article, an annular latent storage unit filled with paraffin RT35 is experimentally and numerically studied to analyze the influence of the heat transfer fluid (HTF) injection side on the system.
Journal ArticleDOI
Numerical simulation of a shell-and-tube latent heat thermal energy storage unit
TL;DR: In this article, a multidimensional phase change problem is tackled with an enthalpy-based method coupled to the convective heat transfer from the heat transfer fluid (HTF).
Journal ArticleDOI
Heat transfer enhancement of high temperature thermal energy storage using metal foams and expanded graphite
Changying Zhao,Z. G. Wu +1 more
TL;DR: In this article, the feasibility of using metal foams and expanded graphite to enhance the heat transfer capability of phase change materials in high temperature thermal energy storage systems is investigated, and the results show that heat transfer can be significantly enhanced by both metal foam and expandable graphite, thereby reducing the charging and discharging period.