Citation

Ajeel, Raheem K. and Fayyadh, Saba N. and Sopian, K. and Sultan, Sakhr M. and Wan Salim, Wan Saiful Islam and Tso, Chih Ping (2024) Multiple impingement jets with binary hybrid nanofluids: performance assessment of flow and heat transfer characteristics. Journal of Thermal Analysis and Calorimetry. ISSN 1388-6150

Text Multiple impingement jets with binary hybrid nanofluids_ performance assessment of flow and heat transfer characteristics.pdf - Published Version Restricted to Repository staff only Download (2MB)

Abstract

The research aims to investigate the heat transfer characteristics of a novel triangular cross section multiple jet impingement system. Computational fuid dynamics was used to analyse the curved plate at a constant temperature of Al2O3–Cu/water nanofuids in diferent volume fractions amounts which are given in %, 0.1%, 0.33%, 0.75%, and 1.0%. The primary aim was to explore the efects of jet angle (β), jet Reynolds number (Re), jet height (Ej ), and nanofuid volume fraction (휑hnf) on heat transfer and pressure drop of suggested system. The range of the jet Reynolds number in the current study was between 8,000 and 24,000, and multiple jet angles of 15°, 30°, 45°, 60°, and 90°, as well as three multiple jet heights of 0.2 H, 0.4 H, 0.6 H, were used. There is a high enhancement found in Nusselt’s number with high Reynolds numbers, i.e. 63.5%, and high nanofuid volume fractions, respectively, while there was a balanced increase found in pressure drop. It is concluded when basing which are the main jet angles to gain a high Nusselt number is 30° with a diference of 42.18%. Moreover, Nusselt number increases as the jet height decreases, with low pressure drop. A correlation equation was developed based on the specifed jet and the Reynolds number range.

Item Type:	Article
Uncontrolled Keywords:	Heat transfer
Subjects:	Q Science > QC Physics > QC251-338.5 Heat > QC310.15-319 Thermodynamics
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Nurul Iqtiani Ahmad
Date Deposited:	01 Aug 2024 06:20
Last Modified:	01 Aug 2024 06:20
URII:	http://shdl.mmu.edu.my/id/eprint/12718

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