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Type: Artigo de evento
Title: Transient Numerical Model For Phase Change Thermal Storage System Analysis And Design
Author: Ismail K.A.R.
Abugderah M.M.
Abstract: A phase change thermal storage system of the vertical tube type is studied using a fixed grid numerical model. The solution of the system consists of solving the equations of the heat transfer fluid (HTF), the pipe wall and the phase change material (PCM) as one domain. The control volume finite difference approach described by (Patankar, 1980) is used to solve the equations describing the phase change thermal storage system. The SIMPLE scheme is used to solve for the pressure and velocity fields of the HTF. The radial temperature distribution, the phase change interface position and the latent and sensible heat accumulated along the system axial length are shown for different Reynolds and Stefan numbers, phase change temperature range and time periods. It is also shown in this paper the possibility of using the numerical model to solve problems with single temperature phase change. The results obtained are important parameters for PCM thermal system performance investigation and design.
Editor: ASME, United States
Rights: fechado
Identifier DOI: 
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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