Numerical and Experimental Investigation of Shell-and-Tube Phase Change Material Thermal Storage Unit | Zendy

Thomas H. Sherer | Zendy; Yogendra Joshi | Zendy

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Numerical and Experimental Investigation of Shell-and-Tube Phase Change Material Thermal Storage Unit

Author(s) -

Thomas H. Sherer,

Yogendra Joshi

Publication year - 2015

Publication title -

smartech repository (georgia institute of technology)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1115/ipack2015-48061

Subject(s) - phase change material , materials science , thermal energy storage , transient (computer programming) , enthalpy , tube (container) , heat transfer , thermal , thermodynamics , mechanics , phase change , volume (thermodynamics) , shell (structure) , nuclear engineering , composite material , physics , engineering , computer science , operating system

A shell-and-tube phase change material (PCM) thermal energy storage (TES) unit has been analyzed numerically and experimentally. The tube bank is filled with commercial paraffin RUBITHERM RT 28 HC PCM, which melts as the heat transfer fluid (HTF) flows across the tubes. A fully-implicit one-dimensional control volume formulation that utilizes the enthalpy method for phase change has been developed to determine the transient temperature distributions in both the PCM and the tubes themselves. The energy gained by a column of tubes is used to determine the exit bulk HTF temperature from that column, ultimately leading to an exit HTF temperature from the TES unit. This paper presents a comparison of the numerical and experimental results for the transient temperature profiles of the PCM-filled tubes and HTF.Copyright © 2015 by ASME

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