Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators
Triangular conduits provide low pressure drop and low heat transfer coefficient compared to circular and other shapes of non-circular passages. The advantage of their low pressure drop motivated this research to increase the heat transfer rate by using two passive methods; vortex generators and nano...
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iium-573192017-07-18T00:49:35Z http://irep.iium.edu.my/57319/ Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators Ahmed, Hamdi E. Yusoff, M.Z. Hawlader, Mohammad Nurul Alam Ahmed, Mirghani Ishaq Salman, B. H. Kerbeet, A. Sh QC Physics TA Engineering (General). Civil engineering (General) Triangular conduits provide low pressure drop and low heat transfer coefficient compared to circular and other shapes of non-circular passages. The advantage of their low pressure drop motivated this research to increase the heat transfer rate by using two passive methods; vortex generators and nanofluids. Turbulent flow-forced convective heat transfer of Al2O3/water and CuO/water nanofluids in an equilateral triangular passage with a delta-winglet pair of vortex generator is numerically studied in three-dimensions. A two-phase mixture model is utilized to simulate the fluid flow considering variable properties for nanofluids whereas those of solid nanoparticles are constant. The study is carried out to examine the effect of the different types of nanofluids, different volume fractions with a wide range of Reynolds numbers on the heat transfer and pressure drop penalty. A comparison between the nanofluid and the base fluid heat transfer is performed in this research. The Al2O3/water nanofluid shows great enhancement in heat transfer with the maximum overall performance of 45.7% at 3 vol.% and Re = 16,000 compared to the base fluid. High heat transfer and low pressure drop are observed by using nanofluid and VG simultaneously. Elsevier Ltd 2017-02-01 Article NonPeerReviewed application/pdf en http://irep.iium.edu.my/57319/1/57319_Turbulent%20heat%20transfer_article_new.pdf application/pdf en http://irep.iium.edu.my/57319/2/57319_Turbulent%20heat%20transfer_WOS.pdf application/pdf en http://irep.iium.edu.my/57319/3/57319_Turbulent%20heat%20transfer_SCOPUS.pdf Ahmed, Hamdi E. and Yusoff, M.Z. and Hawlader, Mohammad Nurul Alam and Ahmed, Mirghani Ishaq and Salman, B. H. and Kerbeet, A. Sh (2017) Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators. International Journal of Heat and Mass Transfer, 105. pp. 495-504. ISSN 0017-9310 http://www.sciencedirect.com/science/article/pii/S0017931016317677 10.1016/j.ijheatmasstransfer.2016.10.009 |
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QC Physics TA Engineering (General). Civil engineering (General) Ahmed, Hamdi E. Yusoff, M.Z. Hawlader, Mohammad Nurul Alam Ahmed, Mirghani Ishaq Salman, B. H. Kerbeet, A. Sh Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
description |
Triangular conduits provide low pressure drop and low heat transfer coefficient compared to circular and other shapes of non-circular passages. The advantage of their low pressure drop motivated this research to increase the heat transfer rate by using two passive methods; vortex generators and nanofluids. Turbulent flow-forced convective heat transfer of Al2O3/water and CuO/water nanofluids in an equilateral triangular passage with a delta-winglet pair of vortex generator is numerically studied in three-dimensions. A two-phase mixture model is utilized to simulate the fluid flow considering variable properties for nanofluids whereas those of solid nanoparticles are constant. The study is carried out to examine the effect of the different types of nanofluids, different volume fractions with a wide range of Reynolds numbers on the heat transfer and pressure drop penalty. A comparison between the nanofluid and the base fluid heat transfer is performed in this research. The Al2O3/water nanofluid shows great enhancement in heat transfer with the maximum overall performance of 45.7% at 3 vol.% and Re = 16,000 compared to the base fluid. High heat transfer and low pressure drop are observed by using nanofluid and VG simultaneously. |
format |
Article |
author |
Ahmed, Hamdi E. Yusoff, M.Z. Hawlader, Mohammad Nurul Alam Ahmed, Mirghani Ishaq Salman, B. H. Kerbeet, A. Sh |
author_facet |
Ahmed, Hamdi E. Yusoff, M.Z. Hawlader, Mohammad Nurul Alam Ahmed, Mirghani Ishaq Salman, B. H. Kerbeet, A. Sh |
author_sort |
Ahmed, Hamdi E. |
title |
Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
title_short |
Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
title_full |
Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
title_fullStr |
Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
title_full_unstemmed |
Turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
title_sort |
turbulent heat transfer and nanofluid flow in a triangular duct with vortex generators |
publisher |
Elsevier Ltd |
publishDate |
2017 |
url |
http://irep.iium.edu.my/57319/ http://irep.iium.edu.my/57319/ http://irep.iium.edu.my/57319/ http://irep.iium.edu.my/57319/1/57319_Turbulent%20heat%20transfer_article_new.pdf http://irep.iium.edu.my/57319/2/57319_Turbulent%20heat%20transfer_WOS.pdf http://irep.iium.edu.my/57319/3/57319_Turbulent%20heat%20transfer_SCOPUS.pdf |
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2023-09-18T21:21:00Z |
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2023-09-18T21:21:00Z |
_version_ |
1777411881416261632 |