Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs

Amin Shahsavar; Majid Jafari; Pouyan Talebizadehsardari; Davood Toghraie

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Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs
- Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs
- 中国化学工程学报（英文版） 2021年32卷第4期页码：27-38
- Affiliations：
  
  1. Department of Mechanical Engineering, Kermanshah University of Technology, Kermanshah,Iran
  2. Metamaterials for Mechanical, Biomechanical and Multiphysical Applications Research Group, Ton Duc Thang University, Ho Chi Minh City,Vietnam
  3. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City,Vietnam
  4. Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr,Iran
- Author bio：
- Funds：
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  中图分类号：
- 纸质出版：2021
- Accepted：
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Amin Shahsavar, Majid Jafari, Pouyan Talebizadehsardari, 等. Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs[J]. 中国化学工程学报（英文版）, 2021,32(4):27-38.

Amin Shahsavar, Majid Jafari, Pouyan Talebizadehsardari, Davood Toghraie. Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs[J]. Chinese Journal of Chemical Engineering, 2021, 32(4): 27-38.
Amin Shahsavar, Majid Jafari, Pouyan Talebizadehsardari, 等. Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs[J]. 中国化学工程学报（英文版）, 2021,32(4):27-38. DOI：

Amin Shahsavar, Majid Jafari, Pouyan Talebizadehsardari, Davood Toghraie. Hydrothermal and entropy generation specifications of a hybrid ferronanofluid in microchannel heat sink embedded in CPUs[J]. Chinese Journal of Chemical Engineering, 2021, 32(4): 27-38. DOI：

摘要

Abstract

The objective of this numerical work is to evaluate the first law and second law performances of a hybrid nanofluid flowing through a liquid-cooled microchannel heatsink. The water-based hybrid nanofluid includes the Fe

and carbon nanotubes (CNTs) nanoparticles. The heatsink includes a microchannel configuration for the flow field to gain heat from a processor placed on the bottom of the heatsink. The effects of Fe

concentration (

)

CNT concentration (

CNT

) and Reynolds number (

) on the convective heat transfer coefficient

CPU surface temperature

thermal resistance

pumping power

as well as the rate of entropy generation due to the heat transfer and fluid friction is examined. The results indicated higher values of convective heat transfer coefficient

pumping power

and frictional entropy generation rate for higher values of

and

CNT

. By increasing Re

and

CNT

the CPU surface temperature and the

thermal resistance decrease

and the temperature distribution at the CPU surface became more uniform. To achieve the maximum performance of the studied heatsink

applying the hybrid nanofluid with low

and

CNT

was suggested

while the minimum entropy generation was achieved with the application of nanofluid with high

and

CNT

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