Experimental and Numerical Investigation of Forced Convection Heat Transfer in Heat Sink with Rectangular Plates at Varying Inclinations on Vertical Base

Patil, Harshal; Dingare, Sunil

doi:10.1007/s40032-018-0445-7

J. Inst. Eng. India Ser. C

2018

DOI: 10.1007/s40032-018-0445-7

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Experimental and Numerical Investigation of Forced Convection Heat Transfer in Heat Sink with Rectangular Plates at Varying Inclinations on Vertical Base

Harshal Patil

Sunil Dingare

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Cited by 7 publications

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Experimental and numerical studies of the effect of perforation configuration on heat transfer enhancement of pin fins heat sink

Alpha,

Aondover,

Kuhe

2024

Heat Trans

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In this study, experimental and computational studies of the impact of forced convective flow on the heat transfer characteristics of staggered pin fins with perforations are investigated in a rectangular channel at constant heat flux with Reynolds numbers (Re) of 2 × 103–12 × 103. In particular, cylindrical pin fins with circular longitudinal (L) perforation, longitudinal/transverse (LT) perforation, and longitudinal/transverse/vertical (LTV) perforation perforations are compared to solid pin fins to find out how adding different perforation arrays affects overall heat transfer performance and also to find the best perforation configuration for maximum performance. ANSYS‐FLUENT is employed for numerical simulation, validated by experimental data. Experimental validation is conducted by attaching the heat sink to a Peltier module, inducing heat generation through current on one face in the Armfield Free and Forced Convection Heat Transfer Service Units HT 19 and HT10XC. Results highlight significant increases in Nusselt number (Nu) for perforated pins compared to solid pins, with L perforations at 8%, LT perforations at 33%, and 67% for LTV perforated pins due to transverse perforations that act as slots, which stir up the primary flow and induce secondary flow generated by vertical perforations. Regarding pressure drops, L perforations reduce by 9%, LT by 19%, and LTV by 27% compared to solid pins. The overall enhancement ratio peaks at the minimum Reynold number, notably achieving a 38% increase in the LTV perforation pin fin array. This innovative study holds promise for diverse electronic applications, offering enhanced heat transfer performance in electronic cooling systems.

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Experimental and numerical studies of the effect of perforation configuration on heat transfer enhancement of pin fins heat sink

Alpha,

Aondover,

Kuhe

2024

Heat Trans

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Numerical analysis of ball-type turbulators in tube heat exchangers with computational fluid dynamic simulations

Afshari

Zavaragh

Nicola

2018

Int. J. Environ. Sci. Technol.

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Topology optimization for a water-cooled heat sink in micro-electronics based on Pareto frontier

Zou

Chuan

Fang

et al. 2022

Applied Thermal Engineering

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Experimental and Numerical Investigation of Forced Convection Heat Transfer in Heat Sink with Rectangular Plates at Varying Inclinations on Vertical Base

Cited by 7 publications

References 5 publications

Experimental and numerical studies of the effect of perforation configuration on heat transfer enhancement of pin fins heat sink

Experimental and numerical studies of the effect of perforation configuration on heat transfer enhancement of pin fins heat sink

Numerical analysis of ball-type turbulators in tube heat exchangers with computational fluid dynamic simulations

Topology optimization for a water-cooled heat sink in micro-electronics based on Pareto frontier

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