Effect of V cut in perforated twisted tape insert on heat transfer and fluid flow behavior of tube flow: An experimental study

被引：44

作者：

Kumar, Bipin ^{[1
,2
]}

Kumar, Manoj ^{[1
]}

Patil, Anil Kumar ^{[1
]}

Jain, Siddharth ^{[3
]}

机构：

[1] DIT Univ, Dept Mech Engn, Dehra Dun, Uttarakhand, India

[2] Uttarakhand Tech Univ, Dehra Dun, Uttarakhand, India

[3] Coll Engn, Dept Mech Engn, Roorkee, Uttarakhand, India

来源：

EXPERIMENTAL HEAT TRANSFER | 2019年 / 32卷 / 06期

关键词：

Perforated twisted tape; Twist ratio; V cut; Nusselt number; Friction factor; Thermo-hydraulic performance; TRANSFER ENHANCEMENT; EXCHANGER TUBE; CIRCULAR TUBE; PRESSURE-DROP; THERMAL PERFORMANCE; FRICTION; LAMINAR; SINGLE;

D O I：

10.1080/08916152.2018.1545808

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Present study investigates the heat transfer and friction characteristics of heat exchanger tube fitted with perforated twisted tape (PTT) insert having V cuts. A copper tube of 1 m length and 0.032 m inner diameter is used as test section to collect the experimental data by varying the twist ratio of PTT from 2 to 6 for the Reynolds number range of 2,700-23,400. V cuts are introduced in the PTT and the V-cut relative pitch ratio is varied from 1 to 2. The maximum thermo-hydraulic performance parameter is found to be 1.58.

引用

页码：524 / 544

页数：21

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