Flows in convergent channel: comparison of numerical results of different mathematical models

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F13%3A00386916" target="_blank" >RIV/61388998:_____/13:00386916 - isvavai.cz</a>

Alternative codes found

RIV/68407700:21220/13:00226693

Result on the web

<a href="http://dx.doi.org/10.1007/s00607-012-0269-x" target="_blank" >http://dx.doi.org/10.1007/s00607-012-0269-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s00607-012-0269-x" target="_blank" >10.1007/s00607-012-0269-x</a>

Result language

angličtina

Original language name

Flows in convergent channel: comparison of numerical results of different mathematical models

Original language description

This study deals with numerical solution of 2D unsteady flow of compressible and incompressible viscous fluid in convergent channel for low inlet airflow velocity. Three mathematical models based on system of Navier-Stokes equations for laminar flow arepresented and numerical results of the models in the channel are compared. The unsteadiness of the flow is caused by a prescribed periodic motion of a part of the channel wall with large amplitudes, nearly closing the channel during oscillations. The numerical solution is implemented using the finite volume method and the predictor-corrector MacCormack scheme with Jameson artificial viscosity using a grid of quadrilateral cells. The unsteady grid of quadrilateral cells is considered in the form of conservation laws using Arbitrary Lagrangian-Eulerian method. The numerical results, acquired from a developed program, are presented for inlet velocity uĄ = 4.12 m/s and Reynolds number ReĄ = 4 x 103 and the wall motion frequency 100 Hz.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BI - Acoustics and oscillation

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Computing

ISSN

0010-485X

e-ISSN

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Volume of the periodical

95

Issue of the periodical within the volume

Suppl 1

Country of publishing house

AT - AUSTRIA

Number of pages

7

Pages from-to

573-585

UT code for WoS article

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EID of the result in the Scopus database

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