Heat transfer and pressure drop analysis of a microchannel heat sink using nanofluids for energy applications-Reference-Cited by-同舟云学术

Heat transfer and pressure drop analysis of a microchannel heat sink using nanofluids for energy applications

Published:2023-09-05 Issue:5 Volume:88 Page:543-555
ISSN:0932-3902
Container-title:Kerntechnik
language:en
Short-container-title:

Author:

Thakre Shekhar¹,Pandhare Amar¹,Malwe Prateek D.²³^ORCID,Gupta Naveen⁴,Kothare Chandrakant⁵,Magade Pramod B.⁶,Patel Anand⁷,Meena Radhey Shyam⁸,Veza Ibham⁹,Natrayan L. ¹⁰,Panchal Hitesh¹¹^ORCID

Affiliation:

1. Department of Mechanical Engineering, Sinhgad College of Engineering , Vadgaon Bk., 411041 , Pune , Maharashtra , India

2. Department of Mechanical Engineering, Walchand College of Engineering , 416415 , Sangli , Maharashtra , India

3. Department of Mechanical Engineering, Dr. D. Y. Patil Institute of Technology , Pimpri, 411014 , Pune , Maharashtra , India

4. Department of Mechanical Engineering , GLA University , Mathura , India

5. Department of Mechanical Engineering, Shri Shankar Prasad Agnihotri College of Engineering , Wardha , Maharashtra , India

6. Department of Mechanical Engineering, Zeal College of Engineering & Research , 411041 , Pune , Maharashtra , India

7. Department of Mechanical Engineering , University of North Texas , 76207 , Denton , TX , USA

8. Scientist, Ministry of New and Renewable Energy , New Delhi , India

9. Department of Mechanical Engineering , Universiti Teknologi PETRONAS , 32610 Bandar Seri Iskandar , Perak Darul , Ridzuan , Malaysia

10. Department of Mechanical Engineering , Saveetha School of Engineering, SIMATS , 602107 , Chennai , Tamil Nadu , India

11. Mechanical Engineering Department, Government Engineering College Patan , Patan , Gujarat , India

Abstract

Abstract The present research aims to enhance heat transfer in straight and wavy profile heat sinks using the same length and hydraulic diameter with different microchannel geometries (triangular, rectangular, trapezoidal, semi-circular, and circular) for uses in electronics, inkjet printing, high heat flux cooling of lasers, and other domains. The nanofluid employed is water/aluminum oxide (water/Al2O3), and the flow regime is laminar. The range of Reynolds number (Re) in this study was 220 ≤ Re ≤ 550, and the concentrations of nanoparticle Al2O3 with Heavy Water (2H2O) were 1.2 % volume. This investigation uses 3-dimensional Computational Fluid Dynamics (CFD) simulation software to investigate the heat transfer characteristics of several cross-sectioned microchannels. The numerical investigation utilizes the finite volume approach, and the CFD analysis is validated with accessible literature with different wavy profiles. According to the CFD simulation results, the microchannel with a circular cross-section has the highest heat transfer performance (up to 18 %) among the other cross-sections. The circular cross-section microchannel seemed to have the most significant increase in coolant temperature (by 9–22 %). The analysis outcomes prove that the microchannel with a circular cross-section has the highest performance for heat transfer; the triangular channel has the lowest performance under the same geometric parameters and boundary conditions. So, it is suggested that a circular microchannel can be used for a heat-carrying capacity of 150 W/cm2, a hydraulic diameter of 500 µm, and a Reynolds number equal to 500.

Publisher

Walter de Gruyter GmbH

Subject

Safety, Risk, Reliability and Quality,General Materials Science,Nuclear Energy and Engineering,Nuclear and High Energy Physics,Radiation

Link

https://www.degruyter.com/document/doi/10.1515/kern-2023-0034/pdf

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