Improvement of Hydrothermal Performance of Microchannel Heat Sinks using V-Shape Pin-Fins and Al2O3 / Water Nanofluid

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MOHAMMADI M.; Mazloumi S.H.; HASSANI S.M.; KHOSHVAGHT ALIABADI M.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2019 | Volume:8 | Issue:4 Page(s): 211-228

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Title

Improvement of Hydrothermal Performance of Microchannel Heat Sinks using V-Shape Pin-Fins and Al2O3 / Water Nanofluid

Author(s)

MOHAMMADI M. | Mazloumi S.H. | HASSANI S.M. | KHOSHVAGHT ALIABADI M. | Issue Writer Certificate

Keywords

Heat SinkQ1

MicrochannelQ1

Heat TransferQ2

Pressure DropQ1

Nusselt NumberQ1

NanofluidQ1

Abstract

in this study two general geometries of Microchannels (Straight and V-shaped) with four different types of interruption are studied. The effects of geometries and pin-fins interruption on performance enhancement of Microchannel Heat Sinks were investigated at various Reynolds number (100-900). Important parameters such as base temperature, Nusselt Number, Pressure Drop, Heat Transfer coefficient and hydrothermal performance factor were evaluated. The simulations have been carried out using Fluent 17 software. The results show that interrupted Microchannels improve the Heat Transfer coefficient and Nusselt Number compared to integral Microchannels. Microchannels with a V-shaped pin report better results due to turbulence in the bulk flow and the generation of vortex. Through different configurations, the Interrupted-Staggered configuration for both straight and V-shaped geometries shows the highest hydrothermal performance factor with increase of about 1. 5 times in comparison to the Straight-Integral model. adding Al2O3 nanoparticles to water increased the hydrothermal performance factor approximately 1. 83 times in the case of Straight, Interrupted-Staggered and about 1. 77 times in the case of Vshaped, Interrupted-Staggered. Increasing the concentration of nanoparticles also improved the hydrothermal performance.

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APA: Copy

MOHAMMADI, M., Mazloumi, S.H., HASSANI, S.M., & KHOSHVAGHT ALIABADI, M.. (2019). Improvement of Hydrothermal Performance of Microchannel Heat Sinks using V-Shape Pin-Fins and Al2O3 / Water Nanofluid. JOURNAL OF SOLID AND FLUID MECHANICS, 8(4 ), 211-228. SID. https://sid.ir/paper/403707/en

Vancouver: Copy

MOHAMMADI M., Mazloumi S.H., HASSANI S.M., KHOSHVAGHT ALIABADI M.. Improvement of Hydrothermal Performance of Microchannel Heat Sinks using V-Shape Pin-Fins and Al2O3 / Water Nanofluid. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2019;8(4 ):211-228. Available from: https://sid.ir/paper/403707/en

IEEE: Copy

M. MOHAMMADI, S.H. Mazloumi, S.M. HASSANI, and M. KHOSHVAGHT ALIABADI, “Improvement of Hydrothermal Performance of Microchannel Heat Sinks using V-Shape Pin-Fins and Al2O3 / Water Nanofluid,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 8, no. 4 , pp. 211–228, 2019, [Online]. Available: https://sid.ir/paper/403707/en

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