Flow resistance and heat transfer characteristics of cold water pipe flow with surfactant for cold heat energy transport

Hideo Inaba, Naoto Haruki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Investigation of characteristics of cold water pipe flow with surfactant is important to develop a cold heat energy transport system. Both flow drag and heat transfer reductions by the Toms effect occur due to a rod-like micell structure of surfactant. When a counter-ion (sodium salicylate) was added to water solution containing of dodecyltrimethylammonium chloride (DATC) surfactant in the present study, the rod-like micell structure of DTAC was formed by connection of spherical micells of DTAC. Moreover, the reduction characteristics of flow resistance and heat transfer were influenced by the amount of the counter-ion. Useful nondimensional correlative equations for flow resistance and heat transfer are derived in terms of various nondimensional parameters.

Original languageEnglish
Pages (from-to)1336-1343
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume63
Issue number608
Publication statusPublished - Apr 1997

Fingerprint

cold water
flow resistance
pipe flow
Pipe flow
Surface active agents
Radiation counters
heat transfer
surfactants
Heat transfer
heat
counters
rods
sodium salicylates
Water
drag
Drag
energy
ions
chlorides
Sodium

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AU - Haruki, Naoto

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AB - Investigation of characteristics of cold water pipe flow with surfactant is important to develop a cold heat energy transport system. Both flow drag and heat transfer reductions by the Toms effect occur due to a rod-like micell structure of surfactant. When a counter-ion (sodium salicylate) was added to water solution containing of dodecyltrimethylammonium chloride (DATC) surfactant in the present study, the rod-like micell structure of DTAC was formed by connection of spherical micells of DTAC. Moreover, the reduction characteristics of flow resistance and heat transfer were influenced by the amount of the counter-ion. Useful nondimensional correlative equations for flow resistance and heat transfer are derived in terms of various nondimensional parameters.

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