Flow drag reduction and heat transfer characteristics of water flow with fibrous material in a straight pipe

Hideo Inaba; Naoto Haruki; Akihiko Horibe; Koichi Ozaki

doi:10.1299/kikaib.64.1462

Flow drag reduction and heat transfer characteristics of water flow with fibrous material in a straight pipe

Hideo Inaba, Naoto Haruki, Akihiko Horibe, Koichi Ozaki

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

1 Citation (Scopus)

Abstract

Some kinds of surfactants are useful to reduce flow drag in a turbulent pipe flow by Toms effect. However, it needs a lot of cost to make these surfactant harmless material to the environment. On the other hand, the fibrous substance such as pulp fibers and cellulose are harmless additives to the environment. This paper has dealt with the flow drag reduction and heat transfer characteristics of the water suspension'flow mixed with fine fibers in a straight pipe. Measurements of velocity and temperature profile in a circular pipe flow were made in order to examine the flow drag and heat transfer characteristics of the turbulent and laminar flow. The nondimensional equations of pipe flow resistance and heat transfer were derived in terms of various nondimensional parameters.

Original language	English
Pages (from-to)	1462-1469
Number of pages	8
Journal	Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	64
Issue number	621
DOIs	https://doi.org/10.1299/kikaib.64.1462
Publication status	Published - May 1998

Keywords

Convection heat transfer
Fiber suspension flow
Fibrous substance
Flow drag reduction
Toms effect

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

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Flow drag reduction and heat transfer characteristics of water flow with fibrous material in a straight pipe. / Inaba, Hideo; Haruki, Naoto; Horibe, Akihiko; Ozaki, Koichi.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 64, No. 621, 05.1998, p. 1462-1469.

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

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