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Experimental Heat Transfer
A Journal of Thermal Energy Generation, Transport, Storage, and Conversion
Volume 32, 2019 - Issue 6
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Articles

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

Bipin KumarDepartment of Mechanical Engineering, DIT University, Dehradun, Uttarakhand, India;Research Scholar, Uttarakhand Technical University, Dehradun, Uttarakhand, India
,
Manoj KumarDepartment of Mechanical Engineering, DIT University, Dehradun, Uttarakhand, India
,
Anil Kumar PatilDepartment of Mechanical Engineering, DIT University, Dehradun, Uttarakhand, IndiaCorrespondence[email protected]
&
Siddharth JainDepartment of Mechanical Engineering, College of Engineering, Roorkee, Uttarakhand, India
Pages 524-544 | Received 27 Jul 2018, Accepted 02 Nov 2018, Published online: 15 Nov 2018
 
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ABSTRACT

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.

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