表紙画像

Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface

The unsteady mixed convection boundary-layer flow of a micropolar fluid near the region of the stagnation point on a double-infinite vertical flat plate is studied. It is assumed that the unsteadiness is caused by the impulsive motion of the free stream velocity and by sudden increase or sudden decr...

詳細記述

保存先:
書誌詳細
主要な著者: Lok, Yian Yian, Amin, Norsarahaida, Pop, Ioan
フォーマット: 論文
出版事項: Elsevier Masson SAS. 2006
主題:
QA Mathematics
オンライン･アクセス:http://eprints.utm.my/id/eprint/7274/
http://dx.doi.org/10.1016/j.ijthermalsci.2006.01.015
タグ: タグ追加
タグなし, このレコードへの初めてのタグを付けませんか!
id my.utm.7274
record_format eprints
spelling my.utm.72742009-01-02T01:39:56Z http://eprints.utm.my/id/eprint/7274/ Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface Lok, Yian Yian Amin, Norsarahaida Pop, Ioan QA Mathematics The unsteady mixed convection boundary-layer flow of a micropolar fluid near the region of the stagnation point on a double-infinite vertical flat plate is studied. It is assumed that the unsteadiness is caused by the impulsive motion of the free stream velocity and by sudden increase or sudden decrease in the surface temperature from the uniform ambient temperature. The problem is reduced to a system of non-dimensional partial differential equations, which is solved numerically using the Keller-box method. This method may present well-behaved solutions for the transient (small time) solution and those of the steady-state flow (large time) solution. It was found that there is a smooth transition from the small-time solution (initial unsteady-state flow) to the large-time solution (final steady-state flow). Further, it is shown that for both assisting and opposing cases and a fixed value of the Prandtl number, the reduced steady-state skin friction and the steady-state heat transfer from the wall (or Nusselt number) decrease with the increase of the material parameter. On the other hand, it is shown that with the increase of the Prandtl number and a fixed value of the material parameter, the reduced steady-state skin friction decreases when the flow is assisting and it increases when the flow is opposing Elsevier Masson SAS. 2006 Article PeerReviewed Lok, Yian Yian and Amin, Norsarahaida and Pop, Ioan (2006) Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface. International Journal of Thermal Sciences, 45 (12). pp. 1149-1157. ISSN 1290-0729 http://dx.doi.org/10.1016/j.ijthermalsci.2006.01.015 10.1016/j.ijthermalsci.2006.01.015
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QA Mathematics
spellingShingle QA Mathematics
Lok, Yian Yian
Amin, Norsarahaida
Pop, Ioan
Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
description The unsteady mixed convection boundary-layer flow of a micropolar fluid near the region of the stagnation point on a double-infinite vertical flat plate is studied. It is assumed that the unsteadiness is caused by the impulsive motion of the free stream velocity and by sudden increase or sudden decrease in the surface temperature from the uniform ambient temperature. The problem is reduced to a system of non-dimensional partial differential equations, which is solved numerically using the Keller-box method. This method may present well-behaved solutions for the transient (small time) solution and those of the steady-state flow (large time) solution. It was found that there is a smooth transition from the small-time solution (initial unsteady-state flow) to the large-time solution (final steady-state flow). Further, it is shown that for both assisting and opposing cases and a fixed value of the Prandtl number, the reduced steady-state skin friction and the steady-state heat transfer from the wall (or Nusselt number) decrease with the increase of the material parameter. On the other hand, it is shown that with the increase of the Prandtl number and a fixed value of the material parameter, the reduced steady-state skin friction decreases when the flow is assisting and it increases when the flow is opposing
format Article
author Lok, Yian Yian
Amin, Norsarahaida
Pop, Ioan
author_facet Lok, Yian Yian
Amin, Norsarahaida
Pop, Ioan
author_sort Lok, Yian Yian
title Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
title_short Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
title_full Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
title_fullStr Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
title_full_unstemmed Unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
title_sort unsteady mixed convection flow of a micropolar fluid near the stagnation point on a vertical surface
publisher Elsevier Masson SAS.
publishDate 2006
url http://eprints.utm.my/id/eprint/7274/
http://dx.doi.org/10.1016/j.ijthermalsci.2006.01.015
_version_ 1643644737497858048
score 13.251813

類似資料