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The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics

Simulation of laminar mixed convective flow over a 3-D horizontal microscale backward-Facing step (MBFS) is presented to explore the effect of step height on the flow and heat transfer characteristics. The momentum and energy equations were discretized by means of a finite volume method (FVM). The S...

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Main Authors: Kherbeet, A. S., Mohammed, Hussein A., Munisamy, K. M., Salman, B. H.
Format: Article
Published: Elsevier 2014
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/62894/
http://dx.doi.org/10.1016/j.ijheatmasstransfer.2013.09.050
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spelling my.utm.628942017-07-11T07:17:58Z http://eprints.utm.my/id/eprint/62894/ The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics Kherbeet, A. S. Mohammed, Hussein A. Munisamy, K. M. Salman, B. H. TJ Mechanical engineering and machinery Simulation of laminar mixed convective flow over a 3-D horizontal microscale backward-Facing step (MBFS) is presented to explore the effect of step height on the flow and heat transfer characteristics. The momentum and energy equations were discretized by means of a finite volume method (FVM). The SIMPLE algorithm scheme was used to link the pressure and velocity fields in the entire domain. Three values of step height were considered S = 350 μm, S = 450 μm and S = 550 μm. EG-SiO2 nanofluid was considered as the working fluid with 25 nm nanoparticle diameter, 0.04 volume fraction. The results revealed that the Nusselt number and skin friction coefficient increase with the increase of the step height. The Reynolds number and pressure drop were found to decrease with the increase of the step height. Elsevier 2014 Article PeerReviewed Kherbeet, A. S. and Mohammed, Hussein A. and Munisamy, K. M. and Salman, B. H. (2014) The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics. International Journal of Heat and Mass Transfer, 68 . pp. 554-566. ISSN 0017-9310 http://dx.doi.org/10.1016/j.ijheatmasstransfer.2013.09.050 DOI:10.1016/j.ijheatmasstransfer.2013.09.050
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 TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Kherbeet, A. S.
Mohammed, Hussein A.
Munisamy, K. M.
Salman, B. H.
The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
description Simulation of laminar mixed convective flow over a 3-D horizontal microscale backward-Facing step (MBFS) is presented to explore the effect of step height on the flow and heat transfer characteristics. The momentum and energy equations were discretized by means of a finite volume method (FVM). The SIMPLE algorithm scheme was used to link the pressure and velocity fields in the entire domain. Three values of step height were considered S = 350 μm, S = 450 μm and S = 550 μm. EG-SiO2 nanofluid was considered as the working fluid with 25 nm nanoparticle diameter, 0.04 volume fraction. The results revealed that the Nusselt number and skin friction coefficient increase with the increase of the step height. The Reynolds number and pressure drop were found to decrease with the increase of the step height.
format Article
author Kherbeet, A. S.
Mohammed, Hussein A.
Munisamy, K. M.
Salman, B. H.
author_facet Kherbeet, A. S.
Mohammed, Hussein A.
Munisamy, K. M.
Salman, B. H.
author_sort Kherbeet, A. S.
title The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
title_short The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
title_full The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
title_fullStr The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
title_full_unstemmed The effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
title_sort effect of step height of microscale backward-facing step on mixed convection nanofluid flow and heat transfer characteristics
publisher Elsevier
publishDate 2014
url http://eprints.utm.my/id/eprint/62894/
http://dx.doi.org/10.1016/j.ijheatmasstransfer.2013.09.050
_version_ 1643655553671495680
score 13.244745

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