RESEARCH ARTICLE
Influence of nanoparticle and channel arc structure on comprehensive performance of nanofluids in curved tiered microchannel heat sinks
Yuwei Wang,
Xiaoyang Li,
Cong Qi,
Yuwei Wang
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou, China
Search for more papers by this authorXiaoyang Li
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou, China
Search for more papers by this authorCorresponding Author
Cong Qi
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou, China
Correspondence
Cong Qi, School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China.
Email: [email protected]
Search for more papers by this authorYuwei Wang,
Xiaoyang Li,
Cong Qi,
Yuwei Wang
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou, China
Search for more papers by this authorXiaoyang Li
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou, China
Search for more papers by this authorCorresponding Author
Cong Qi
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou, China
Correspondence
Cong Qi, School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China.
Email: [email protected]
Search for more papers by this authorAbstract
In order to improve the heat dissipation of the electrical components, a curved tiered microchannel heat sink (TMCHS) was proposed and optimized and applied to cool the electrical components together with nanofluids. Influence of channel radian (φ = 0°, 75°, 135°, 180°), arc number (n = 0, 2, 3, 4), and nanoparticle concentration (w = 0.0%, 0.1%, 0.3%, 0.5%) on flow and heat transfer characteristics of nanofluids in curved TMCHS was numerically investigated. Comprehensive evaluation coefficient comprehensive evaluation factor (PEC) was used to evaluate the thermo-hydraulic performance of TMCHS and nanofluids. Results indicated that the greater the radian and arc number, the better the thermal performance of TMCHS. The overall performance of TMCHS is the best when the radian is 180° and the arc number is 4. Results in this paper provide important technical guidance for the application of curved tiered microchannel heat sinks and nanofluids to the field of thermal management of electronic components.
CONFLICT OF INTEREST
The authors declare that they have no conflicts of interest.
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