Effect of Aspect Ratio and Installation Direction on Channel Flow Heat Transfer Performance under a Wide Range of Reynolds Number

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Shunichi Sakuragi
Shunichi Sakuragi
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Daisuke Torii
Daisuke Torii

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Effect of Aspect Ratio and Installation Direction on Channel Flow Heat Transfer Performance under a Wide Range of Reynolds Number

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Abstract

In recent years, in the cooling technology for high-power electronic devices such as power transistors used for drive motor control of electric vehicles and hybrid vehicles, a method of flowing a cooling fluid to a cooling substrate having a fin structure has become the main technology. The structure of the cooling fluid flow path is a channel flow through multiple narrow plate gaps to secure a heat transfer area. In this study, the heat transfer characteristics when the aspect ratio of the channel having a flat rectangular cross-section was changed were investigated in detail by experiments. Moreover, the difference in the heat transfer characteristic at the time of making a rectangular flow path into vertical installation and horizontal installation was also investigated.

References

7 Cites in Article
  1. A Ashraf,S Mohammed,A Thoufeeq,S Bibin,S Arun (2016). Experimental Analysis of Performance Characteristics of Mini Channel Heat Exchangers.
  2. A Chapman (1987). Fundamentals of heat transfer.
  3. R Daugherty,J B Franzini,E Finnemore (1985). Fluid Mechanics with Engineering Applications.
  4. Eric Forrest,Lin-Wen Hu,Jacopo Buongiorno,Thomas Mckrell (2015). Convective Heat Transfer in a High Aspect Ratio Minichannel Heated on One Side.
  5. H Kawamura,H Abe,K Shingai (2000). DNS of turbulence and heat transport in a echannel flow with different Reynolds and Prandtl numbers and boundary conditions.
  6. Balkrishna Mehta,Sameer Khandekar (2013). Local Experimental Heat Transfer of Single-Phase Pulsating Flow in a Square Mini-Channel.
  7. Tushar Mollik,Bishwajit Roy,Sumon Saha (2017). Turbulence Modeling of Channel Flow and Heat Transfer: A Comparison with DNS Data.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Shunichi Sakuragi. 2019. \u201cEffect of Aspect Ratio and Installation Direction on Channel Flow Heat Transfer Performance under a Wide Range of Reynolds Number\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 19 (GJRE Volume 19 Issue A4): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords
Classification
GJRE-A Classification: FOR Code: 091399
Version of record

v1.2

Issue date

November 13, 2019

Language
en
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Published Article

In recent years, in the cooling technology for high-power electronic devices such as power transistors used for drive motor control of electric vehicles and hybrid vehicles, a method of flowing a cooling fluid to a cooling substrate having a fin structure has become the main technology. The structure of the cooling fluid flow path is a channel flow through multiple narrow plate gaps to secure a heat transfer area. In this study, the heat transfer characteristics when the aspect ratio of the channel having a flat rectangular cross-section was changed were investigated in detail by experiments. Moreover, the difference in the heat transfer characteristic at the time of making a rectangular flow path into vertical installation and horizontal installation was also investigated.

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Effect of Aspect Ratio and Installation Direction on Channel Flow Heat Transfer Performance under a Wide Range of Reynolds Number

Shunichi Sakuragi
Shunichi Sakuragi
Daisuke Torii
Daisuke Torii

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