Nekorektní dotyk šroubových ploch a numerické řešení proudění plynu vzniklou mezerou

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F07%3A00000209" target="_blank" >RIV/49777513:23520/07:00000209 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/49777513:23520/07:00000034

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Incorrect contact of screw surfaces and numerical solution of the leakage flow through the arisen gap

Popis výsledku v původním jazyce

The article deals with the incorrect contact of screw surfaces which create tooth faces of screw-type machine rotors and is concerned about the turbulent computation of a gas leakage through a 2D model of an undesirable gap caused by the incorrect contact of rotor teeth screw surfaces. The incorrect contact of rotor teeth screw surfaces, considered in this study, is caused by a parallel displacement of the male rotor axis. The problem of the leakage flow through the 2D model of the undesirable gap is solved as a non-stationary turbulent compressible Newtonian fluid flow with ideal gas properties. The mathematical model is described by the non-linear conservative system of the compressible Favre-averaged Navier-Stokes equations. Its numerical solution is performed using the cell-centred finite volume formulation of the explicit two-step TVD MacCormack scheme which is proposed by Causon and is defined on a structured quadrilateral grid.

Název v anglickém jazyce

Incorrect contact of screw surfaces and numerical solution of the leakage flow through the arisen gap

Popis výsledku anglicky

The article deals with the incorrect contact of screw surfaces which create tooth faces of screw-type machine rotors and is concerned about the turbulent computation of a gas leakage through a 2D model of an undesirable gap caused by the incorrect contact of rotor teeth screw surfaces. The incorrect contact of rotor teeth screw surfaces, considered in this study, is caused by a parallel displacement of the male rotor axis. The problem of the leakage flow through the 2D model of the undesirable gap is solved as a non-stationary turbulent compressible Newtonian fluid flow with ideal gas properties. The mathematical model is described by the non-linear conservative system of the compressible Favre-averaged Navier-Stokes equations. Its numerical solution is performed using the cell-centred finite volume formulation of the explicit two-step TVD MacCormack scheme which is proposed by Causon and is defined on a structured quadrilateral grid.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BK - Mechanika tekutin

OECD FORD obor

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Projekt

<a href="/cs/project/GP101%2F03%2FP090" target="_blank" >GP101/03/P090: Matematické modelování dvourozměrného turbulentního proudění stlačitelné tekutiny s aplikací na šroubové stroje</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2007

Kód důvěrnosti údajů

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

Název periodika

Engineering Mechanics

ISSN

1802-1484

e-ISSN

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Svazek periodika

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Číslo periodika v rámci svazku

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Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

16

Strana od-do

163

Kód UT WoS článku

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EID výsledku v databázi Scopus

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