Flow resistance and heat transfer characteristics of flowing cold water with flow drag reduction surfactant in curved pipes

Hideo Inaba; Naoto Haruki; Akihiko Horibe

doi:10.1299/kikaib.66.647_1818

Flow resistance and heat transfer characteristics of flowing cold water with flow drag reduction surfactant in curved pipes

Hideo Inaba, Naoto Haruki, Akihiko Horibe

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

This paper has dealt with the flow resistance and heat transfer characteristics of flowing cold water with flow drag reduction additive in curved pipes. A cationic surfactant was used as the flow drag reduction additive. The flow drag resistance and the local heat transfer coefficient of cold water flow in some curved pipes were measured under the constant heat flux heating wall condition. It was found that the flow drag and heat transfer reduction effect by the surfactant was depended on the angle and curved ratio of the curved pipes. The nondimensional correlative equations of flow resistance and heat transfer coefficient of cold-water flow with the surfactant in the curved pipe were derived in terms of various nondimensional parameters.

Original language	English
Pages (from-to)	1818-1825
Number of pages	8
Journal	Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	66
Issue number	647
DOIs	https://doi.org/10.1299/kikaib.66.647_1818
Publication status	Published - Jul 2000

Keywords

Convection heat transfer
Curved pipe
Flow drag reduction
Surfactant

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

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10.1299/kikaib.66.647_1818

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Flow resistance and heat transfer characteristics of flowing cold water with flow drag reduction surfactant in curved pipes. / Inaba, Hideo; Haruki, Naoto; Horibe, Akihiko.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 66, No. 647, 07.2000, p. 1818-1825.

Research output: Contribution to journal › Article › peer-review

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