Detail publikace

Interaction of the Rigid Journal with Newtonian Fluid

HAVLÁSEK, M. POCHYLÝ, F.

Anglický název

Interaction of the Rigid Journal with Newtonian Fluid

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

en

Originální abstrakt

This paper deals with the problem of identification of added effects of incompressible Newtonian fluid that impacts on the rigid journal performing translational motion. It considers two degrees of freedom. The axial motion of the rigid journal was neglected. It assumes small oscillations and linear model. The task was solved for two geometrical configurations of the computational domain. In the first variant of geometry, there is no flow between the bases of journal and stator. The second variant of geometry also allows liquid to flow in space between the bases of journal and stator. The introduction describes the mathematical model for the identification of added mass, damping and stiffness matrices. On the basis of the mathematical model and computational modeling of velocity and pressure fields using CFD, the force components are determined. From there, the mentioned matrices are determined depending on the eccentricity of the rigid journal.

Anglický abstrakt

This paper deals with the problem of identification of added effects of incompressible Newtonian fluid that impacts on the rigid journal performing translational motion. It considers two degrees of freedom. The axial motion of the rigid journal was neglected. It assumes small oscillations and linear model. The task was solved for two geometrical configurations of the computational domain. In the first variant of geometry, there is no flow between the bases of journal and stator. The second variant of geometry also allows liquid to flow in space between the bases of journal and stator. The introduction describes the mathematical model for the identification of added mass, damping and stiffness matrices. On the basis of the mathematical model and computational modeling of velocity and pressure fields using CFD, the force components are determined. From there, the mentioned matrices are determined depending on the eccentricity of the rigid journal.

Klíčová slova anglicky

CFD modeling, added effects, Newtonian fluid

Vydáno

25.09.2017

ISBN

978-0-7354-1572-0

Kniha

36TH MEETING OF DEPARTMENTS OF FLUID MECHANICS AND THERMODYNAMICS

Strany od–do

020009-1–020009-10

Počet stran

10

BIBTEX


@inproceedings{BUT143200,
  author="Michal {Havlásek} and František {Pochylý},
  title="Interaction of the Rigid Journal with Newtonian Fluid",
  booktitle="36TH MEETING OF DEPARTMENTS OF FLUID MECHANICS AND THERMODYNAMICS",
  year="2017",
  month="September",
  pages="020009-1--020009-10",
  isbn="978-0-7354-1572-0"
}