Publication detail

Modelling of a Supercritical Flow over Bed Sills in an Open Channel

PŘÍHODA, J. ŠULC, J. SEDLÁŘ, M. ZUBÍK, P.

Original Title

Modelling of a Supercritical Flow over Bed Sills in an Open Channel

English Title

Modelling of a Supercritical Flow over Bed Sills in an Open Channel

Type

conference paper

Language

en

Original Abstract

Modelling of turbulent flow in an open channel with transversal ribs on its bottom was concentrated particularly on the development of flow separation behind ribs and on the corresponding changes of free surface. Further, the pressure drag of individual ribs was investigated including their dependence on the rib spacing, as well as the origin of secondary flow near the side walls of the channel behind ribs. Numerical results obtained by the software ANSYS CFX 11.0 were compared with experiments carried out by means of LDA and PIV techniques in free-surface water channel 200x200 mm with one and/or two transversal ribs 10xl0 mm with various spacing.

English abstract

Modelling of turbulent flow in an open channel with transversal ribs on its bottom was concentrated particularly on the development of flow separation behind ribs and on the corresponding changes of free surface. Further, the pressure drag of individual ribs was investigated including their dependence on the rib spacing, as well as the origin of secondary flow near the side walls of the channel behind ribs. Numerical results obtained by the software ANSYS CFX 11.0 were compared with experiments carried out by means of LDA and PIV techniques in free-surface water channel 200x200 mm with one and/or two transversal ribs 10xl0 mm with various spacing.

Keywords

numerical modelling of turbulent flow, open channel, transversal ribs, LDA, PIV

RIV year

2009

Released

20.04.2009

Publisher

FAST - VUT v Brně

Location

Brno

ISBN

978-80-7204-629-4

Book

XII. mezinárodní vědecká konference

Pages from

165

Pages to

168

Pages count

4

Documents

BibTex


@inproceedings{BUT31297,
  author="Jaromír {Příhoda} and Jan {Šulc} and Milan {Sedlář} and Pavel {Zubík}",
  title="Modelling of a Supercritical Flow over Bed Sills in an Open Channel",
  annote="Modelling of turbulent flow in an open channel with transversal ribs on its bottom was concentrated particularly on the development of flow separation behind ribs and on the corresponding changes of free surface. Further, the pressure drag of individual ribs was investigated including their dependence on the rib spacing, as well as the origin of secondary flow near the side walls of the channel behind ribs. Numerical results obtained by the software ANSYS CFX 11.0 were compared with experiments carried out by means of LDA and PIV techniques in free-surface water channel 200x200 mm with one and/or two transversal ribs 10xl0 mm with various spacing.",
  address="FAST - VUT v Brně",
  booktitle="XII. mezinárodní vědecká konference",
  chapter="31297",
  howpublished="print",
  institution="FAST - VUT v Brně",
  year="2009",
  month="april",
  pages="165--168",
  publisher="FAST - VUT v Brně",
  type="conference paper"
}