Detail publikace

Thick liquid film instability model using CFD simulations

KNOTEK, S. JÍCHA, M.

Originální název

Thick liquid film instability model using CFD simulations

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

The article presents a liquid film instability model designed using results of the set of CFD simulations. The governing equations of the model are derived using a linear equation of motion. The stability analysis is carried out by imposing a liquid surface disturbance which growth rate is investigated in dependence on the geometrical and physical configuration. The gas effect parameters, which are decisive variables in the model, are derived using results of the set of CFD simulations of turbulent flow in channel with wavy surface. The agreement between predicted and measured critical gas velocities and wavelengths in dependence on the liquid film thickness is very good.

Klíčová slova

liquid film, instability, waves, CFD

Autoři

KNOTEK, S.; JÍCHA, M.

Rok RIV

2013

Vydáno

1. 12. 2013

ISSN

1802-1484

Periodikum

Engineering Mechanics

Ročník

20

Číslo

3/4

Stát

Česká republika

Strany od

247

Strany do

254

Strany počet

8

URL

http://www.engineeringmechanics.cz/pdf/20_3_247.pdf

BibTex

@article{BUT105617,
  author="Stanislav {Knotek} and Miroslav {Jícha}",
  title="Thick liquid film instability model using CFD simulations",
  journal="Engineering Mechanics",
  year="2013",
  volume="20",
  number="3/4",
  pages="247--254",
  issn="1802-1484",
  url="http://www.engineeringmechanics.cz/pdf/20_3_247.pdf"
}