Ghani, I. A. and Kamaruzaman, N. and Sidik, N. A. C. (2017) Heat transfer augmentation in a microchannel heat sink with sinusoidal cavities and rectangular ribs. International Journal of Heat and Mass Transfer, 108 . pp. 1969-1981. ISSN 0017-9310
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Official URL: http://www.dx.doi.org/10.1016/j.ijheatmasstransfer...
Abstract
A three-dimensional numerical simulation was conducted to study the characteristics of fluid flow and heat transfer in new design of microchannel heat sink with sinusoidal cavities and rectangular ribs (MC-SCRR) for Reynolds number ranging from 100 to 800. A comparative analysis has conducted to the performance of the proposed design with related geometries such as microchannel with rectangular ribs MC-RR and microchannel with sinusoidal cavities MC-SC. The results showed that thermal performance of MC-SCRR is superior over both MC-RR and MC-SC. The new design of MC-SCRR has proved the ability to combine between two important features; large flow area which significantly reduces the pressure drop and high flow disturbances which caused by existence of ribs in the central portion of channel. The overall performance of MC-SCRR is evaluated in term of friction factor, Nusselt number and performance factor.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | cavities, heat transfer enhancement, microchannel heat sink |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 80275 |
| Deposited By: | Narimah Nawil |
| Deposited On: | 14 Dec 2020 22:55 |
| Last Modified: | 14 Dec 2020 22:55 |
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