Unsteady flow of a non-linear viscoelastic fluid in pipes

Mario F. Letelier; Nicolás Madariaga; Dennis A. Siginer

doi:10.1115/IMECE2004-59693

Unsteady flow of a non-linear viscoelastic fluid in pipes

Mario F. Letelier, Nicolás Madariaga, Dennis A. Siginer

Mechanical, Energy & Industrial Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

Flow of a viscoelastic fluid in round pipes is analyzed for the case where the pressure gradient is oscillatory with varying amplitude. The fluid is modelled according to Phan-Thien-Tanner's constitutive equation. The analysis is carried out by using the perturbation method in which a material parameter is considered small. Velocity field and other kinematic and dynamic variables are evaluated for a range of relevant parameters. The results are compared with the base Newtonian and linear Maxwell flows. The effect of the PTT model in these type of flows is highlighted.

Original language	English
Article number	IMECE2004-59693
Pages (from-to)	829-833
Number of pages	5
Journal	American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
Volume	260
DOIs	https://doi.org/10.1115/IMECE2004-59693
Publication status	Published - 2004
Event	2004 ASME International Mechanical Engineering Congress and Exposition, IMECE 2004 - Anaheim, CA, United States Duration: Nov 13 2004 → Nov 19 2004

All Science Journal Classification (ASJC) codes

General Engineering

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10.1115/IMECE2004-59693

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title = "Unsteady flow of a non-linear viscoelastic fluid in pipes",

abstract = "Flow of a viscoelastic fluid in round pipes is analyzed for the case where the pressure gradient is oscillatory with varying amplitude. The fluid is modelled according to Phan-Thien-Tanner's constitutive equation. The analysis is carried out by using the perturbation method in which a material parameter is considered small. Velocity field and other kinematic and dynamic variables are evaluated for a range of relevant parameters. The results are compared with the base Newtonian and linear Maxwell flows. The effect of the PTT model in these type of flows is highlighted.",

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year = "2004",

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AU - Letelier, Mario F.

AU - Madariaga, Nicolás

AU - Siginer, Dennis A.

PY - 2004

Y1 - 2004

N2 - Flow of a viscoelastic fluid in round pipes is analyzed for the case where the pressure gradient is oscillatory with varying amplitude. The fluid is modelled according to Phan-Thien-Tanner's constitutive equation. The analysis is carried out by using the perturbation method in which a material parameter is considered small. Velocity field and other kinematic and dynamic variables are evaluated for a range of relevant parameters. The results are compared with the base Newtonian and linear Maxwell flows. The effect of the PTT model in these type of flows is highlighted.

AB - Flow of a viscoelastic fluid in round pipes is analyzed for the case where the pressure gradient is oscillatory with varying amplitude. The fluid is modelled according to Phan-Thien-Tanner's constitutive equation. The analysis is carried out by using the perturbation method in which a material parameter is considered small. Velocity field and other kinematic and dynamic variables are evaluated for a range of relevant parameters. The results are compared with the base Newtonian and linear Maxwell flows. The effect of the PTT model in these type of flows is highlighted.

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JO - American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED

JF - American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED

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Y2 - 13 November 2004 through 19 November 2004

ER -

Unsteady flow of a non-linear viscoelastic fluid in pipes

Abstract

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