Numerical simulation and multiobjective optimization of a microchannel heat sink with arc-shaped grooves and ribs

Xia, Guodong; Jia, Yuting; Li, Y. F.; D., D.; Chen, Bo

doi:10.1080/10407782.2016.1230394

Cited by 32 publications

(10 citation statements)

References 31 publications

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“…In contrast to the aforementioned design configuration, Xia et al [99,100] analysed the effects of ribs and cavities at the sidewalls on heat transfer performance using two different methods, namely computational fluid dynamics (CFD) and CFD with multi-objective evolutionary algorithm (MOEA). In the CFD method, the analysis found that a relative rib height significantly affected entropy generation.…”

Section: Mchs With Hybrid Passive Methodsmentioning

confidence: 99%

A review of passive methods in microchannel heat sink application through advanced geometric structure and nanofluids: Current advancements and challenges

Japar

Sidik

Saidur

et al. 2020

Nanotechnology Reviews

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Microchannel heat sink (MCHS) is an advanced cooling technique to fulfil the cooling demand for electronic devices installed with high-power integrated circuit packages (microchips). Various microchannel designs have been innovated to improve the heat transfer performance in an MCHS. Specifically, the utilisation of nanotechnology in the form of nanofluid in an MCHS attracted the attention of researchers because of considerable enhancement of thermal conductivity in nanofluid even at a low nanoparticle concentration. However, a high-pressure drop was the main limitation as it controls the MCHS performance resulted from heat transfer augmentation. Therefore, this study aimed to critically summarise the challenges and limitations of both single and hybrid passive methods of MCHS. Furthermore, the performance of nanofluid as a coolant in the MCHS as affected by the type and concentration of nanoparticle and the type of base fluid was reviewed systematically. The review indicated that the hybrid MCHS provides a better cooling performance than MCHS with the single passive method as the former results in a higher heat transfer rate with minimal pressure drop penalty. Besides that, further heat transfer performance can be enhanced by dispersing aluminium dioxide (Al2O3) nanoparticles with a concentration of less than 2.0% (v/v) in the water-based coolant.

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Section: Mchs With Hybrid Passive Methodsmentioning

confidence: 99%

A review of passive methods in microchannel heat sink application through advanced geometric structure and nanofluids: Current advancements and challenges

Japar

Sidik

Saidur

et al. 2020

Nanotechnology Reviews

View full text Add to dashboard Cite

show abstract

“…However, as expected, the thermal resistance is not reduced with these methods. The optimization method is a promising technique in microchannel heat sink designs, which has been widely used to ensure low thermal resistance and pressure drop of microchannel heat sinks [30][31][32][33]. Technically, an optimized design is only the tradeoff between the heat transfer and the pressure drop penalty, in which the lowest thermal resistance is always obtained with the restriction of an acceptable pressure drop.…”

Section: Introductionmentioning

confidence: 99%

A new scheme for reducing pressure drop and thermal resistance simultaneously in microchannel heat sinks with wavy porous fins

Zhao

Lin

et al. 2017

International Journal of Heat and Mass Transfer

123

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“…They found that the thermal performances of the airfoil and rounded rectangular heat sink were better than those of the circular heat sink. Xia et al [24] investigated the influence of several parameters on the total thermal resistance and pumping power based on Multi-Objective Evolutionary Algorithm (MOEA). They revealed that higher rib would lead to a higher thermal resistance and pumping power.…”

Section: Introductionmentioning

confidence: 99%

A surrogate assisted thermal optimization framework for design of pin-fin heat sink for the platform inertial navigation system

Luo

Wang

2020

Engineering Optimization

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In this study, in order to reduce the local high temperature of the platform in inertial navigation system (PINS), a pin-fin heat sink with staggered arrangement is designed. To reduce the dimension of the inputs and improve the efficiency of optimization, a feasible global sensitivity analysis (GSA) based on Kriging-High Dimensional Model Representation with DIviding RECTangles sampling strategy (DIRECT-KG-HDMR) is proposed. Compared with other GSA methods, the proposed method can indicate the effects of the structural and the material parameters on the maximum temperature at the bottom of the heat sink by using both sensitivity and coupling coefficients. From the results of GSA, it can be found that the structural parameters have greater effects on thermal performance than the material ones. Moreover, the coupling intensities between the structural and material parameters are weak. Therefore, the structural parameters are selected to optimize the thermal performance of the heat sink, and several popular optimization algorithms such as GA, DE, TLBO, PSO and EGO are used for the optimization. Moreover, steady thermal response of the PINS with the optimized heat sink is also studied, and its result shows that the maximum temperature of high temperature region of the platform is reduced by 1.09 ℃ compared with the PINS without the heat sink.

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Numerical simulation and multiobjective optimization of a microchannel heat sink with arc-shaped grooves and ribs

Cited by 32 publications

References 31 publications

A review of passive methods in microchannel heat sink application through advanced geometric structure and nanofluids: Current advancements and challenges

A review of passive methods in microchannel heat sink application through advanced geometric structure and nanofluids: Current advancements and challenges

A new scheme for reducing pressure drop and thermal resistance simultaneously in microchannel heat sinks with wavy porous fins

A surrogate assisted thermal optimization framework for design of pin-fin heat sink for the platform inertial navigation system

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