日本機械学会論文集 B編
Online ISSN : 1884-8346
Print ISSN : 0387-5016
冷熱エネルギー輸送用界面活性剤添加低温水の管内流動抵抗と熱伝達特性
稲葉 英男春木 直人
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ジャーナル フリー

63 巻 (1997) 608 号 p. 1336-1343

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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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