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The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct

In this work numerical predictions of mixed convective nanofluids flow and heat transfer in an equilateral triangular duct are reported. Three dimensional, laminar Navier-Stokes and energy equations were solved using the finite volume method. Pure water and four different types of nanofluids such as...

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Main Authors:	Mohammed, H.A., Om, N.I., Shuaib, N.H., Hussein, A.K., Saidur, Rahman
Format:	Article
Published:	International Journal of Heat and Technology 2011
Subjects:	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery
Online Access:	http://eprints.um.edu.my/6691/ http://www.scopus.com/inward/record.url?eid=2-s2.0-84856400457&partnerID=40&md5=d44970ecd63a49bc963a0e94afdc85a5
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spelling	my.um.eprints.66912019-10-25T06:14:41Z http://eprints.um.edu.my/6691/ The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct Mohammed, H.A. Om, N.I. Shuaib, N.H. Hussein, A.K. Saidur, Rahman TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery In this work numerical predictions of mixed convective nanofluids flow and heat transfer in an equilateral triangular duct are reported. Three dimensional, laminar Navier-Stokes and energy equations were solved using the finite volume method. Pure water and four different types of nanofluids such as Ag, Au, Cu, diamond and SiO 2 with volume fractions range of 1 â�¤; Î¦ â�¤; 5 are used. This investigation covers Rayleigh number in the range of 1Ã� 10 4 â�¤ Ra â�¤ 1Ã� 10 6 and Reynolds number in the range of 100 â�¤ Re â�¤ 1000. The effects of different Rayleigh numbers, Reynolds numbers, nanofluid types, volume fractions of nanofluid, apex angles of the traingular duct, and radiation are investigated. The results presented in terms of streamlines, isotherms, Nusselt number, and pressure drop. The results revealed that the Nusselt number increases as Rayleigh number increases due to the buoyancy force effect. It is found that SiO 2 nanofluid has the highest Nusselt number while Au nanofluid has the lowest Nusselt number among other nanofluids. The apex angle of the triangular duct has remarkable influence on the Nusselt number. An increasing of the duct apex angle decreases the Nusselt number value. The pressure drop increases as Reynolds number increases and apex angle decreases. International Journal of Heat and Technology 2011 Article PeerReviewed Mohammed, H.A. and Om, N.I. and Shuaib, N.H. and Hussein, A.K. and Saidur, Rahman (2011) The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct. International Journal of Heat and Technology, 29 (2). pp. 3-12. ISSN 03928764 http://www.scopus.com/inward/record.url?eid=2-s2.0-84856400457&partnerID=40&md5=d44970ecd63a49bc963a0e94afdc85a5
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery
spellingShingle	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery Mohammed, H.A. Om, N.I. Shuaib, N.H. Hussein, A.K. Saidur, Rahman The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
description	In this work numerical predictions of mixed convective nanofluids flow and heat transfer in an equilateral triangular duct are reported. Three dimensional, laminar Navier-Stokes and energy equations were solved using the finite volume method. Pure water and four different types of nanofluids such as Ag, Au, Cu, diamond and SiO 2 with volume fractions range of 1 â�¤; Î¦ â�¤; 5 are used. This investigation covers Rayleigh number in the range of 1Ã� 10 4 â�¤ Ra â�¤ 1Ã� 10 6 and Reynolds number in the range of 100 â�¤ Re â�¤ 1000. The effects of different Rayleigh numbers, Reynolds numbers, nanofluid types, volume fractions of nanofluid, apex angles of the traingular duct, and radiation are investigated. The results presented in terms of streamlines, isotherms, Nusselt number, and pressure drop. The results revealed that the Nusselt number increases as Rayleigh number increases due to the buoyancy force effect. It is found that SiO 2 nanofluid has the highest Nusselt number while Au nanofluid has the lowest Nusselt number among other nanofluids. The apex angle of the triangular duct has remarkable influence on the Nusselt number. An increasing of the duct apex angle decreases the Nusselt number value. The pressure drop increases as Reynolds number increases and apex angle decreases.
format	Article
author	Mohammed, H.A. Om, N.I. Shuaib, N.H. Hussein, A.K. Saidur, Rahman
author_facet	Mohammed, H.A. Om, N.I. Shuaib, N.H. Hussein, A.K. Saidur, Rahman
author_sort	Mohammed, H.A.
title	The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
title_short	The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
title_full	The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
title_fullStr	The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
title_full_unstemmed	The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
title_sort	application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct
publisher	International Journal of Heat and Technology
publishDate	2011
url	http://eprints.um.edu.my/6691/ http://www.scopus.com/inward/record.url?eid=2-s2.0-84856400457&partnerID=40&md5=d44970ecd63a49bc963a0e94afdc85a5
_version_	1648736056692965376
score	13.211869

The application of nanofluids on three dimensional mixed convection heat transfer in equilateral triangular duct

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