Effect of Fan-Shaped Pin-Fins on Heat Transfer Characteristics in a Rectangular Channel-Part I

被引：0

作者：

Anh-Tuan Nguyen ^{[1
]}

Duy-Hung Chung ^{[1
]}

Khanh-Duy Cong Do ^{[1
]}

Kim, Kwang-Yong ^{[2
]}

Viet-Dung Duong ^{[3
]}

Nhat-Minh Nguyen ^{[1
,4
]}

Gia-Diem Pham ^{[1
]}

Cong-Truong Dinh ^{[1
]}

机构：

[1] Hanoi Univ Sci & Technol, Sch Mech Engn, Hanoi 11615, Vietnam

[2] Inha Univ, Dept Mech Engn, 100 Inha Ro, Incheon 22212, South Korea

[3] Vietnam Natl Univ, Univ Engn & Technol, Sch Aerosp Engn, Hanoi 100000, Vietnam

[4] Univ Sydney, ARC Ctr Data Analyt Resources & Environments DARE, Camperdown, NSW 2006, Australia

来源：

PROCEEDINGS OF THE 3RD ANNUAL INTERNATIONAL CONFERENCE ON MATERIAL, MACHINES AND METHODS FOR SUSTAINABLE DEVELOPMENT, VOL 2, MMMS 2022 | 2024年

关键词：

Staggered short pin-fin arrays; Pin-fin shape; RANS analysis; Horseshoe vortex; Nusselt coefficient; Coefficient of thermal efficiency;

D O I：

10.1007/978-3-031-39090-6_51

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, the heat transfer performance of circular pin-fin arrays is analyzed by dealing with Reynolds-averaged Navier-Stokes (RANS) equations and compared to the fan-shaped pin-fin arrays. The heat transfer and flow inside a rectangular cooling channel are evaluated using the k-omega and SST turbulence models with the range of Reynolds number of 5000 to 25,000. The result yielded that the heat transfer performance is increased when using fan-shaped pin-fin arrays. The greatest difference is that the fan-shaped pin-fins channel has a smaller Nusselt number at Re = 5000 than the circular pin-fins channel. However, Re = 25,000 changes the least-by 0.11%-of all the values. The friction factor of the fan-shaped pin-fins is lowered greatest at Re = 25,000 as opposed to the 2.04% friction factor of the round design. The fan-shaped pin-fin channel outperforms the circular pin-fin case by 2.9% at Re = 10,000, which is the point at which the heat transfer properties of the two cases differ the most.

引用

页码：457 / 465

页数：9

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