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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Analysis of turbulent flow and heat transfer over a double forward facing step with obstacles
International Communications in Heat and Mass Transfer, Volume 39, No. 9, Year 2012
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Description
A numerical study has been conducted to analyze the turbulent forced convection heat transfer for double forward facing step flow with obstacles. Obstacles have rectangular cross-sectional area with different aspect ratio that is located before each step. The numerical solutions of continuity, momentum and energy equations were solved by using a commercial code which uses finite volume techniques. The effect of turbulence was modeled by using a k-ε model. The effects of step height, obstacle aspect ratio and Reynolds number on the flow and heat transfer are investigated. The obtained results show that the rate of heat transfer is enhanced as aspect ratio of obstacle increases and this trend is affected by the step height. Also the results verified that the pressure drop decreases as obstacle aspect ratio increases. © 2012 Elsevier Ltd.
Authors & Co-Authors
Öztop, Hakan Fehmi
Turkey, Elazig
Firat Üniversitesi
Mushatet, Khudheyer S.
Iraq, An Nasiriyah
University of Thi-qar
Yilmaz, Ilker
Turkey, Kayseri
Erciyes Üniversitesi
Statistics
Citations: 59
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1016/j.icheatmasstransfer.2012.07.011
ISSN:
07351933
Study Design
Cross Sectional Study