Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner

Mario F. Letelier; Mauricio Acosta; Juan Córdova; Dennis A. Siginer

doi:10.1115/IMECE2002-32233

Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner

Mario F. Letelier, Mauricio Acosta, Juan Córdova, Dennis A. Siginer

Mechanical, Energy & Industrial Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Secondary flows of Phan-Thien-Tanner fluids in channels formed by two intersecting walls, and driven by a pressure gradient parallel to the intersection line, are studied by means of perturbation analysis, where the perturbing parameter is the relaxation time. The velocity field is analysed in relation to the opening angle and distance from the comer within the fluid region. An analytically exact solution is found at 0(λ³), through the mathematical structure of which is possible to draw some general and important conclusions about the dynamics of the transversal flow. Such results are of potential interest in the design of devices aimed at exploiting the transport capacity of secondary flows.

Original language	English
Title of host publication	Fluids Engineering
Publisher	American Society of Mechanical Engineers (ASME)
Pages	291-295
Number of pages	5
ISBN (Print)	0791836576, 9780791836576
DOIs	https://doi.org/10.1115/IMECE2002-32233
Publication status	Published - 2002

Publication series

Name	ASME International Mechanical Engineering Congress and Exposition, Proceedings

All Science Journal Classification (ASJC) codes

Mechanical Engineering

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10.1115/IMECE2002-32233

Cite this

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title = "Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner",

abstract = "Secondary flows of Phan-Thien-Tanner fluids in channels formed by two intersecting walls, and driven by a pressure gradient parallel to the intersection line, are studied by means of perturbation analysis, where the perturbing parameter is the relaxation time. The velocity field is analysed in relation to the opening angle and distance from the comer within the fluid region. An analytically exact solution is found at 0(λ3), through the mathematical structure of which is possible to draw some general and important conclusions about the dynamics of the transversal flow. Such results are of potential interest in the design of devices aimed at exploiting the transport capacity of secondary flows.",

author = "Letelier, {Mario F.} and Mauricio Acosta and Juan C{\'o}rdova and Siginer, {Dennis A.}",

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Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner. / Letelier, Mario F.; Acosta, Mauricio; Córdova, Juan et al.
Fluids Engineering. American Society of Mechanical Engineers (ASME), 2002. p. 291-295 (ASME International Mechanical Engineering Congress and Exposition, Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner

AU - Letelier, Mario F.

AU - Acosta, Mauricio

AU - Córdova, Juan

AU - Siginer, Dennis A.

PY - 2002

Y1 - 2002

N2 - Secondary flows of Phan-Thien-Tanner fluids in channels formed by two intersecting walls, and driven by a pressure gradient parallel to the intersection line, are studied by means of perturbation analysis, where the perturbing parameter is the relaxation time. The velocity field is analysed in relation to the opening angle and distance from the comer within the fluid region. An analytically exact solution is found at 0(λ3), through the mathematical structure of which is possible to draw some general and important conclusions about the dynamics of the transversal flow. Such results are of potential interest in the design of devices aimed at exploiting the transport capacity of secondary flows.

AB - Secondary flows of Phan-Thien-Tanner fluids in channels formed by two intersecting walls, and driven by a pressure gradient parallel to the intersection line, are studied by means of perturbation analysis, where the perturbing parameter is the relaxation time. The velocity field is analysed in relation to the opening angle and distance from the comer within the fluid region. An analytically exact solution is found at 0(λ3), through the mathematical structure of which is possible to draw some general and important conclusions about the dynamics of the transversal flow. Such results are of potential interest in the design of devices aimed at exploiting the transport capacity of secondary flows.

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ER -

Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner

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