Studying the Thermal and Hydraulic Characteristics of a Shell-and-Tube Water Heater Equipped with Dimpled Heat-Transfer Tubes to Enhance Heat Transfer

Results of a thermal-hydraulic investigation of a steam-water heater equipped with dimpled heat-transfer tubes are presented. It is shown that heat transfer on the internal dimpled surface has risen by 60% with their drag increased by a factor of 2.1.

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Bibliographic Details
Published in:Thermal engineering 2008, Vol.55 (1), p.67-71
Main Authors: Balunov, B. F., Gotovskii, M. A., Permyakov, V. A., Permyakov, K. V., Shcheglov, A. A., Il’in, V. A., Saikova, E. N., Sal’nikov, V. V.
Format: Article
Language:English
Subjects:
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
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Description
Summary:Results of a thermal-hydraulic investigation of a steam-water heater equipped with dimpled heat-transfer tubes are presented. It is shown that heat transfer on the internal dimpled surface has risen by 60% with their drag increased by a factor of 2.1.
ISSN:0040-6015
1555-6301
DOI:10.1134/S004060150801014X