Zakaria, Muhammad Zulfattah and Saleman, Abdul Rafeq and Zakaria, Mohd Shukri and Jumaidin, Ridhwan and Mohd Hanafi, Mohd Hafidzal and Idris, Norain and Zakaria, Nazri Huzaimi and Mohd Najib , Ali Mokhtar and Mohd Isa, Nur Shakinah (2013) Gnielinski method in calculating the heat transfer coefficient for metallic solar tower absorber. Procedia Engineering , 68. pp. 293-298. ISSN 1877-7058 (Submitted)
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PDF (Gnielinski method in calculating the heat transfer coefficient for metallic solar tower absorber)
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Abstract
This work is done to calculate the heat transfer coefficient of metallic wire mesh to air in an open volumetric thermal absorber. It is aimed to replace the actual ceramic with metallic which latter has better thermal properties in order to increase the efficiency of the concentrating solar power plant. The calculation of the heat transfer coefficient from porous wire structure to the air has been conducted to pursue the purpose. The structure that has been chosen is a set of metallic wires with aligned and shifted configurations. The variations of wire diameter together with various porosities from 0.10 to 0.50 have been calculated to obtain the best configuration for the absorber. The flow characteristic within the mesh structure in terms of Reynolds number and its relationship with the heat transfer coefficient has been obtained. The condition on mass flow rate of heat transfer medium and other aspects which influence the heat transfer are also discussed.
| Item Type: | Article |
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| Subjects: | T Technology > T Technology (General) |
| Divisions: | Faculty of Mechanical Engineering > Department of Thermal Fluids |
| Depositing User: | Engr. Muhammad Zulfattah Zakaria |
| Date Deposited: | 18 May 2014 14:06 |
| Last Modified: | 28 May 2015 04:12 |
| URI: | http://eprints.utem.edu.my/id/eprint/10708 |
| Statistic Details: | View Download Statistic |
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