Steady laminar flow through twisted pipes: Fluid flow and heat transfer in rectangular tubes

K. Nandakumar; J. H. Masliyah

doi:10.1080/00986448308940283

Steady laminar flow through twisted pipes: Fluid flow and heat transfer in rectangular tubes

K. Nandakumar, J. H. Masliyah

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8 Scopus citations

Abstract

Fluid flow and heat transfer characteristics in a twisted rectangular tube having an aspect ratio of two were studied using a numerical solution to the momentum and energy equations. Fluid flow solutions are presented for a fully developed laminar flow of a Newtonian fluid. Heat transfer results are presented for the case of axially uniform wall temperature. For the case of peripherally uniform wall temperature, the overall Nusselt number in a twisted rectangular tube was found to be higher than a straight tube by up to 30 percent over certain ranges of twist lengths. However, for the case of non-uniform wall temperature, the overall absolute Nusselt number increased very rapidly with decrease in the twist length.

Original language	English
Pages (from-to)	151-173
Number of pages	23
Journal	Chemical Engineering Communications
Volume	21
Issue number	1-3
DOIs	https://doi.org/10.1080/00986448308940283
State	Published - 1 May 1983
Externally published	Yes

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title = "Steady laminar flow through twisted pipes: Fluid flow and heat transfer in rectangular tubes",

abstract = "Fluid flow and heat transfer characteristics in a twisted rectangular tube having an aspect ratio of two were studied using a numerical solution to the momentum and energy equations. Fluid flow solutions are presented for a fully developed laminar flow of a Newtonian fluid. Heat transfer results are presented for the case of axially uniform wall temperature. For the case of peripherally uniform wall temperature, the overall Nusselt number in a twisted rectangular tube was found to be higher than a straight tube by up to 30 percent over certain ranges of twist lengths. However, for the case of non-uniform wall temperature, the overall absolute Nusselt number increased very rapidly with decrease in the twist length.",

author = "K. Nandakumar and Masliyah, {J. H.}",

note = "Funding Information: The authors are indebted to the Natural Sciences and Engineering Research Council of Canada for financial support.",

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AU - Masliyah, J. H.

N1 - Funding Information: The authors are indebted to the Natural Sciences and Engineering Research Council of Canada for financial support.

PY - 1983/5/1

Y1 - 1983/5/1

N2 - Fluid flow and heat transfer characteristics in a twisted rectangular tube having an aspect ratio of two were studied using a numerical solution to the momentum and energy equations. Fluid flow solutions are presented for a fully developed laminar flow of a Newtonian fluid. Heat transfer results are presented for the case of axially uniform wall temperature. For the case of peripherally uniform wall temperature, the overall Nusselt number in a twisted rectangular tube was found to be higher than a straight tube by up to 30 percent over certain ranges of twist lengths. However, for the case of non-uniform wall temperature, the overall absolute Nusselt number increased very rapidly with decrease in the twist length.

AB - Fluid flow and heat transfer characteristics in a twisted rectangular tube having an aspect ratio of two were studied using a numerical solution to the momentum and energy equations. Fluid flow solutions are presented for a fully developed laminar flow of a Newtonian fluid. Heat transfer results are presented for the case of axially uniform wall temperature. For the case of peripherally uniform wall temperature, the overall Nusselt number in a twisted rectangular tube was found to be higher than a straight tube by up to 30 percent over certain ranges of twist lengths. However, for the case of non-uniform wall temperature, the overall absolute Nusselt number increased very rapidly with decrease in the twist length.

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ER -

Steady laminar flow through twisted pipes: Fluid flow and heat transfer in rectangular tubes

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