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Influence of air supply velocity on temperature field in the self heating process of coal

The air supply velocity is an important factor affecting the spontaneous combustion of coal. The appropriate air velocity can not only provide the oxygen required for the oxidation reaction, but maintains the good heat storage environment. Therefore, it is necessary to study the influence of the act...

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Main Authors: Song, Shuanglin, Wang, Shugang, Liang, Yuntao, Li, Xiaochen, Lin, Qi
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2017
Online Access:http://journalarticle.ukm.my/11681/1/15%20SM46%2011.pdf
http://journalarticle.ukm.my/11681/
http://www.ukm.my/jsm/english_journals/vol46num11_2017/contentsVol46num11_2017.htm
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spelling my-ukm.journal.116812018-05-28T00:46:47Z http://journalarticle.ukm.my/11681/ Influence of air supply velocity on temperature field in the self heating process of coal Song, Shuanglin Wang, Shugang Liang, Yuntao Li, Xiaochen Lin, Qi The air supply velocity is an important factor affecting the spontaneous combustion of coal. The appropriate air velocity can not only provide the oxygen required for the oxidation reaction, but maintains the good heat storage environment. Therefore, it is necessary to study the influence of the actual air velocity in the pore space on the self-heating process of coal particles. This paper focuses on studying the real space piled up by spherical particles. CFD simulation software is used to establish the numerical model from pore scale. Good fitness of the simulation results with the existing results verifies the feasibility of the calculation method. Later, the calculation conditions are changed to calculate and analyze the velocity field and the temperature field for self-heating of some particles (the surface of the particles is at a certain temperature) and expound the effect of different air supply velocities on gathering and dissipating the heat. Penerbit Universiti Kebangsaan Malaysia 2017-11 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/11681/1/15%20SM46%2011.pdf Song, Shuanglin and Wang, Shugang and Liang, Yuntao and Li, Xiaochen and Lin, Qi (2017) Influence of air supply velocity on temperature field in the self heating process of coal. Sains Malaysiana, 46 (11). pp. 2143-2148. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num11_2017/contentsVol46num11_2017.htm
institution Universiti Kebangsaan Malaysia
building Perpustakaan Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description The air supply velocity is an important factor affecting the spontaneous combustion of coal. The appropriate air velocity can not only provide the oxygen required for the oxidation reaction, but maintains the good heat storage environment. Therefore, it is necessary to study the influence of the actual air velocity in the pore space on the self-heating process of coal particles. This paper focuses on studying the real space piled up by spherical particles. CFD simulation software is used to establish the numerical model from pore scale. Good fitness of the simulation results with the existing results verifies the feasibility of the calculation method. Later, the calculation conditions are changed to calculate and analyze the velocity field and the temperature field for self-heating of some particles (the surface of the particles is at a certain temperature) and expound the effect of different air supply velocities on gathering and dissipating the heat.
format Article
author Song, Shuanglin
Wang, Shugang
Liang, Yuntao
Li, Xiaochen
Lin, Qi
spellingShingle Song, Shuanglin
Wang, Shugang
Liang, Yuntao
Li, Xiaochen
Lin, Qi
Influence of air supply velocity on temperature field in the self heating process of coal
author_facet Song, Shuanglin
Wang, Shugang
Liang, Yuntao
Li, Xiaochen
Lin, Qi
author_sort Song, Shuanglin
title Influence of air supply velocity on temperature field in the self heating process of coal
title_short Influence of air supply velocity on temperature field in the self heating process of coal
title_full Influence of air supply velocity on temperature field in the self heating process of coal
title_fullStr Influence of air supply velocity on temperature field in the self heating process of coal
title_full_unstemmed Influence of air supply velocity on temperature field in the self heating process of coal
title_sort influence of air supply velocity on temperature field in the self heating process of coal
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2017
url http://journalarticle.ukm.my/11681/1/15%20SM46%2011.pdf
http://journalarticle.ukm.my/11681/
http://www.ukm.my/jsm/english_journals/vol46num11_2017/contentsVol46num11_2017.htm
_version_ 1643738570339385344
score 13.211869

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