Heat transfer by laminar flow of an elastico-viscous fluid in posttreatment analysis of wire coating with linearly varying temperature along the coated wire

Rehan Ali Shah, S. Islam, A. M. Siddiqui, T. Haroon

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The present study focuses on the heat transfer by the laminar flow of an elastico-viscous fluid in posttreatment of wire coating analysis with linearly varying temperature on the surface of coated wire. The surface of wire (uncoated) and the surface of coated wire were subjected to two thermal boundary conditions. The constitutive equation of motion and equation of energy have been solved by using perturbation theory for velocity, pressure distribution along the radial direction and temperature distribution. The theoretical analysis of flow rate, average velocity, shear stress, thickness of coated wire, and force on the total wire were also derived. Moreover, the flow phenomenon has been studied under the influence of elastic number R e velocity ratio U and the dimensionless number S in the ranges 0 ≤ R e ≤ 20, 0.2 ≤ U ≤ 1.4 and 0 ≤ S ≤ 20. We noticed that with the increase in elastic number Re velocity decreases whereas thickness of the coated wire and force on the total wire increases. Also temperature profile decreases with the increase of non-dimensional parameter S.

Original languageEnglish (US)
Pages (from-to)903-914
Number of pages12
JournalHeat and Mass Transfer/Waerme- und Stoffuebertragung
Volume48
Issue number6
DOIs
StatePublished - Jun 1 2012

Fingerprint

viscous fluids
laminar flow
Laminar flow
heat transfer
wire
Wire
Heat transfer
coatings
Coatings
Fluids
Temperature
temperature
dimensionless numbers
constitutive equations
Constitutive equations
pressure distribution
Pressure distribution
temperature profiles
shear stress
Equations of motion

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Fluid Flow and Transfer Processes

Cite this

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abstract = "The present study focuses on the heat transfer by the laminar flow of an elastico-viscous fluid in posttreatment of wire coating analysis with linearly varying temperature on the surface of coated wire. The surface of wire (uncoated) and the surface of coated wire were subjected to two thermal boundary conditions. The constitutive equation of motion and equation of energy have been solved by using perturbation theory for velocity, pressure distribution along the radial direction and temperature distribution. The theoretical analysis of flow rate, average velocity, shear stress, thickness of coated wire, and force on the total wire were also derived. Moreover, the flow phenomenon has been studied under the influence of elastic number R e velocity ratio U and the dimensionless number S in the ranges 0 ≤ R e ≤ 20, 0.2 ≤ U ≤ 1.4 and 0 ≤ S ≤ 20. We noticed that with the increase in elastic number Re velocity decreases whereas thickness of the coated wire and force on the total wire increases. Also temperature profile decreases with the increase of non-dimensional parameter S.",
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AU - Islam, S.

AU - Siddiqui, A. M.

AU - Haroon, T.

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N2 - The present study focuses on the heat transfer by the laminar flow of an elastico-viscous fluid in posttreatment of wire coating analysis with linearly varying temperature on the surface of coated wire. The surface of wire (uncoated) and the surface of coated wire were subjected to two thermal boundary conditions. The constitutive equation of motion and equation of energy have been solved by using perturbation theory for velocity, pressure distribution along the radial direction and temperature distribution. The theoretical analysis of flow rate, average velocity, shear stress, thickness of coated wire, and force on the total wire were also derived. Moreover, the flow phenomenon has been studied under the influence of elastic number R e velocity ratio U and the dimensionless number S in the ranges 0 ≤ R e ≤ 20, 0.2 ≤ U ≤ 1.4 and 0 ≤ S ≤ 20. We noticed that with the increase in elastic number Re velocity decreases whereas thickness of the coated wire and force on the total wire increases. Also temperature profile decreases with the increase of non-dimensional parameter S.

AB - The present study focuses on the heat transfer by the laminar flow of an elastico-viscous fluid in posttreatment of wire coating analysis with linearly varying temperature on the surface of coated wire. The surface of wire (uncoated) and the surface of coated wire were subjected to two thermal boundary conditions. The constitutive equation of motion and equation of energy have been solved by using perturbation theory for velocity, pressure distribution along the radial direction and temperature distribution. The theoretical analysis of flow rate, average velocity, shear stress, thickness of coated wire, and force on the total wire were also derived. Moreover, the flow phenomenon has been studied under the influence of elastic number R e velocity ratio U and the dimensionless number S in the ranges 0 ≤ R e ≤ 20, 0.2 ≤ U ≤ 1.4 and 0 ≤ S ≤ 20. We noticed that with the increase in elastic number Re velocity decreases whereas thickness of the coated wire and force on the total wire increases. Also temperature profile decreases with the increase of non-dimensional parameter S.

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