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Heat Transfer Research

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ISSN Print: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v31.i1-2.160
pages 68-72

Intensification of Heat Transfer in a Triangular Channel with Turbulizing Inserts

L. A. Arsen'ev
Nizhnii Novgorod, Russia
V. G. Polishchuk
Saint Petersburg State Politechnical University 29, Politechnicheskaya str., Saint Petersburg, 195251, Russia
N. P. Sokolov
Saint Petersburg State Politechnical University 29, Politechnicheskaya str., Saint Petersburg, 195251, Russia

ABSTRACT

Results of an experimental investigation of the possibility to intensify heat transfer in a channel of a triangular cross section by installing 2 types of longitudinal turbulizing inserts are given. It is shown that the use of a turbulizing insert with alternating edges of cuts that are bent back in opposite directions and at an angle of 45° to the channel axis leads to an approximately 35% increase in the average coefficients as compared to the heat-transfer level in the channel without the insert.