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
收藏
页码：524 / 544
页数：21
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