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On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux

The steady flow and heat transfer over a moving thin needle with prescribed surface heat flux is studied. The similarity equations are obtained by using similarity transformation technique. The problem is solved numerically using the boundary value problem solver (bvp4c) in Matlab software. The plot...

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Main Authors: Ishak, Anuar, Waini, Iskandar, Pop, Ioan Mihai
Format: Article
Language:English
Published: Physical Society of the Republic of China 2019
Online Access:http://eprints.utem.edu.my/id/eprint/24326/2/WAINI2019%20THIN%20NEEDLE%20PHF.PDF
http://eprints.utem.edu.my/id/eprint/24326/
https://www.sciencedirect.com/science/article/abs/pii/S0577907318316629
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spelling my.utem.eprints.243262020-12-22T12:23:13Z http://eprints.utem.edu.my/id/eprint/24326/ On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux Ishak, Anuar Waini, Iskandar Pop, Ioan Mihai The steady flow and heat transfer over a moving thin needle with prescribed surface heat flux is studied. The similarity equations are obtained by using similarity transformation technique. The problem is solved numerically using the boundary value problem solver (bvp4c) in Matlab software. The plots of the skin friction coefficient and the local Nusselt number as well as the velocity and temperature profiles are presented and their behaviors are discussed for different values of the needle size and the velocity ratio parameter. Results show that the decreasing of the needle size enhance the skin friction coefficient and the local Nusselt number on the needle surface. It is found that dual solutions exist (upper and lower branches) for a certain range of the velocity ratio parameter. A stability analysis of the solutions are performed and it shows that the upper branch solution is stable, while the lower branch solution is unstable. Physical Society of the Republic of China 2019-08 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/24326/2/WAINI2019%20THIN%20NEEDLE%20PHF.PDF Ishak, Anuar and Waini, Iskandar and Pop, Ioan Mihai (2019) On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux. Chinese Journal of Physics, 60. pp. 651-658. ISSN 0577-9073 https://www.sciencedirect.com/science/article/abs/pii/S0577907318316629 10.1016/j.cjph.2019.06.008
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description The steady flow and heat transfer over a moving thin needle with prescribed surface heat flux is studied. The similarity equations are obtained by using similarity transformation technique. The problem is solved numerically using the boundary value problem solver (bvp4c) in Matlab software. The plots of the skin friction coefficient and the local Nusselt number as well as the velocity and temperature profiles are presented and their behaviors are discussed for different values of the needle size and the velocity ratio parameter. Results show that the decreasing of the needle size enhance the skin friction coefficient and the local Nusselt number on the needle surface. It is found that dual solutions exist (upper and lower branches) for a certain range of the velocity ratio parameter. A stability analysis of the solutions are performed and it shows that the upper branch solution is stable, while the lower branch solution is unstable.
format Article
author Ishak, Anuar
Waini, Iskandar
Pop, Ioan Mihai
spellingShingle Ishak, Anuar
Waini, Iskandar
Pop, Ioan Mihai
On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux
author_facet Ishak, Anuar
Waini, Iskandar
Pop, Ioan Mihai
author_sort Ishak, Anuar
title On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux
title_short On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux
title_full On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux
title_fullStr On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux
title_full_unstemmed On The Stability Of The Flow And Heat Transfer Over A Moving Thin Needle With Prescribed Surface Heat Flux
title_sort on the stability of the flow and heat transfer over a moving thin needle with prescribed surface heat flux
publisher Physical Society of the Republic of China
publishDate 2019
url http://eprints.utem.edu.my/id/eprint/24326/2/WAINI2019%20THIN%20NEEDLE%20PHF.PDF
http://eprints.utem.edu.my/id/eprint/24326/
https://www.sciencedirect.com/science/article/abs/pii/S0577907318316629
_version_ 1687397265687183360
score 13.211869

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