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NUMERICAL ANALYSIS OF THE EFFECT OF WINGLET BAND TYPE TURBULATORS ON HEAT TRANSFER AND FRICTION FACTOR
Abstract
In this study, the effects of band type turbulator with double-side winglet inside a pipe on heat transfer and friction factor were investigated numerically with the help of Ansys-Fluent program. The turbulator was designed with two different winglet distances (P=10 mm and 20 mm) and three different winglet angles (λ = 30°, 45°, 60°). In the numerical analyzes performed by assuming the pipe surface temperature as constant, aluminum as the turbulator material and water as the fluid were used. Realizable k-ε turbulence model was chosen in the analyzes. As a result of the analyzes performed between the Reynolds number of 8000-30000, it was seen that the winglet pitch distance (P) and the winglet angle (λ) of the turbulator were effective on both the heat transfer and the friction factor. By using a turbulator in the pipe, the Nusselt number was increased up to 67.09% compared to the empty pipe.
Keywords
References
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Details
Primary Language
Turkish
Subjects
Mechanical Engineering
Journal Section
Research Article
Publication Date
March 15, 2023
Submission Date
October 7, 2022
Acceptance Date
December 7, 2022
Published in Issue
Year 1970 Volume: 26 Number: 1