Effects of Swirl Flow Generated by Twisted Tape on Heat Transfer and Friction Factor in a Square Channel

被引：0

作者：

Ahn, Soo Whan

Kang, Ho Keun

Putra, Ary Bachtiar Krishna

机构：

来源：

TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B | 2007年 / 31卷 / 11期

关键词：

Twisted Tape; Rough Square Cannel; Heat Transfer; Number of Heating Walls; Friction Factor;

D O I：

10.3795/KSME-B.2007.31.11.912

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Regionally averaged heat transfer distributions and friction factors in square channels with twisted tape inserts and with twisted tape inserts plus interrupted ribs are experimentally investigated. The effects of surface heating condition on heat transfer enhancement are also investigated. Each wall of the square channel is composed of isolated aluminum plates. The interrupted square ribs are arranged along the axial flow direction on the bottom wall only. Experimental tests are performed for Reynolds numbers ranging from 8,900 to 29,000. The results are compared with those of previous investigations for circular tube with axial interrupted ribs and twisted tape inserts.

引用

页码：912 / 917

页数：6

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