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TVT, 2018, Volume 56, Issue 2, Pages 313–316 (Mi tvt10725)  

Short Communications

Heat transfer in a water flow in tubes with ribbed twisted tape inserts

A. A. Giniyatullin, S. È. Tarasevich, A. B. Yakovlev

Kazan State Technical University

Abstract: The results of an experimental study of heat transfer in a water flow in a channel with a twisted tape insert with discrete ribs installed at an angle to the tape axis are presented. The experiments were performed in a straight smooth tube with an inner diameter of $10$ mm. The tape inserts had a twist ratio of $2.5$, $3$, or $4$ with a $180^{\circ}$ rotation; the rib height ranged from $0.5$ to $1.5$ mm, the rib pitch was from $40$ to $120$ mm, and the rib angle was from $40$ to $50^{\circ}$ to the tape axis. The results of experiments in the mentioned range of geometries suggest that the ribbed tape inserts increase heat transfer by a maximum of $40%$ as compared with that in tubes with a twisted tape without ribs. The generalized correlation is given for the prediction of heat transfer in a Reynolds number range $ Re = 10^4$–$2 \times 10^5$.

Funding Agency Grant Number
Ministry of Education and Science of the Russian Federation 14.Z50.31.0003
This work was supported by the Government of the Russian Federation within the Program for Support of Scientific Research in Russian Universities under the Supervision of Leading Scientists, grant no. 14.Z50.31.0003.

Author to whom correspondence should be addressed

DOI: https://doi.org/10.7868/S0040364418020205

Full text: PDF file (174 kB)
References: PDF file   HTML file

English version:
High Temperature, 2018, 56:2, 302–305

Bibliographic databases:

UDC: 536.24
Received: 04.07.2016
Accepted:18.04.2017

Citation: A. A. Giniyatullin, S. È. Tarasevich, A. B. Yakovlev, “Heat transfer in a water flow in tubes with ribbed twisted tape inserts”, TVT, 56:2 (2018), 313–316; High Temperature, 56:2 (2018), 302–305

Citation in format AMSBIB
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\paper Heat transfer in a water flow in tubes with ribbed twisted tape inserts
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\vol 56
\issue 2
\pages 313--316
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\crossref{https://doi.org/10.7868/S0040364418020205}
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\jour High Temperature
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