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Computer modelling of phase change materials using the orthogonal collocation method

A computer program had been developed for aone-dimensional, orthogonal collocation model of a packed bed heat storage system. The system comprised of a cylindrical storage tank filled with phase change material (PCM) encapsulated in spherical containers. This paper also presented the thermal perform...

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Main Authors: Hoh, Kian Fei, Syam, Syafiie, Phuah, Eng Tong, Choong, Thomas Shean Yaw
Format: Article
Language:English
Published: Pergamon Press 2018
Online Access:http://psasir.upm.edu.my/id/eprint/72091/1/Computer%20modelling%20of%20phase%20change%20materials%20using%20the%20orthogonal%20collocation%20method%20.pdf
http://psasir.upm.edu.my/id/eprint/72091/
http://www.arpnjournals.com/jeas/volume_11_2018.htm
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spelling my.upm.eprints.720912020-02-07T07:27:36Z http://psasir.upm.edu.my/id/eprint/72091/ Computer modelling of phase change materials using the orthogonal collocation method Hoh, Kian Fei Syam, Syafiie Phuah, Eng Tong Choong, Thomas Shean Yaw A computer program had been developed for aone-dimensional, orthogonal collocation model of a packed bed heat storage system. The system comprised of a cylindrical storage tank filled with phase change material (PCM) encapsulated in spherical containers. This paper also presented the thermal performance simulation of packed bed heat storage system using PCM during charging and discharging process. Paraffin wax was chosen as PCM, and air was chosen as heat transfer fluid (HTF).The enthalpy method was used in the model to accommodate the phase change behaviour of PCM over a range of temperature. It was shown that the governing equations were two energy conservation equations written for HTF and PCM. Both governing equations were numerically solved by applying orthogonal collocation approach implemented using MATLAB. The results obtained by solving the model using the orthogonal collocation method were initially validated with experimental results in the literature. The model covered through-flow conditions for charging and discharging the thermal heat storage within the air. In this paper, the complete computational model was simplified and efficient enough to interface with a larger program simulating a heat storage system. The simulations were conducted in order to derive the temperature profiles of HTF and PCM as well as to estimate the time required to complete charging and discharging of PCM. Pergamon Press 2018-06 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/72091/1/Computer%20modelling%20of%20phase%20change%20materials%20using%20the%20orthogonal%20collocation%20method%20.pdf Hoh, Kian Fei and Syam, Syafiie and Phuah, Eng Tong and Choong, Thomas Shean Yaw (2018) Computer modelling of phase change materials using the orthogonal collocation method. Journal of Engineering and Applied Sciences, 13 (11). 3617 - 3625. ISSN 1819-6608 http://www.arpnjournals.com/jeas/volume_11_2018.htm
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A computer program had been developed for aone-dimensional, orthogonal collocation model of a packed bed heat storage system. The system comprised of a cylindrical storage tank filled with phase change material (PCM) encapsulated in spherical containers. This paper also presented the thermal performance simulation of packed bed heat storage system using PCM during charging and discharging process. Paraffin wax was chosen as PCM, and air was chosen as heat transfer fluid (HTF).The enthalpy method was used in the model to accommodate the phase change behaviour of PCM over a range of temperature. It was shown that the governing equations were two energy conservation equations written for HTF and PCM. Both governing equations were numerically solved by applying orthogonal collocation approach implemented using MATLAB. The results obtained by solving the model using the orthogonal collocation method were initially validated with experimental results in the literature. The model covered through-flow conditions for charging and discharging the thermal heat storage within the air. In this paper, the complete computational model was simplified and efficient enough to interface with a larger program simulating a heat storage system. The simulations were conducted in order to derive the temperature profiles of HTF and PCM as well as to estimate the time required to complete charging and discharging of PCM.
format Article
author Hoh, Kian Fei
Syam, Syafiie
Phuah, Eng Tong
Choong, Thomas Shean Yaw
spellingShingle Hoh, Kian Fei
Syam, Syafiie
Phuah, Eng Tong
Choong, Thomas Shean Yaw
Computer modelling of phase change materials using the orthogonal collocation method
author_facet Hoh, Kian Fei
Syam, Syafiie
Phuah, Eng Tong
Choong, Thomas Shean Yaw
author_sort Hoh, Kian Fei
title Computer modelling of phase change materials using the orthogonal collocation method
title_short Computer modelling of phase change materials using the orthogonal collocation method
title_full Computer modelling of phase change materials using the orthogonal collocation method
title_fullStr Computer modelling of phase change materials using the orthogonal collocation method
title_full_unstemmed Computer modelling of phase change materials using the orthogonal collocation method
title_sort computer modelling of phase change materials using the orthogonal collocation method
publisher Pergamon Press
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/72091/1/Computer%20modelling%20of%20phase%20change%20materials%20using%20the%20orthogonal%20collocation%20method%20.pdf
http://psasir.upm.edu.my/id/eprint/72091/
http://www.arpnjournals.com/jeas/volume_11_2018.htm
_version_ 1662756474257932288
score 13.211869

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