Publication detail

1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity

HABÁN, V. KOUTNÍK, J. POCHYLÝ, F.

Original Title

1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity

Type

conference paper

Language

English

Original Abstract

At the modeling of high-frequency pressure oscillations the damping function is decisive. Up to now it was assumed that the damping is given by the first or the second power of discharge. In this paper the damping model including the influence of fluid second viscosity is described. The second viscosity has been experimentally determined at the Hydraulic laboratory of the University of Technology in Brno, Czech Republic. The mathematical model of the system with hydraulic machine (water turbine) consists of straight pipes and nodes, where the straight pipes represent distributor channels, spiral case and penstock.

Key words in English

oscillations, viscosity

Authors

HABÁN, V.; KOUTNÍK, J.; POCHYLÝ, F.

RIV year

2003

Released

9. 9. 2002

Publisher

ÉCOLE POLYTECHNIQUE FÉDÉRALE OF LAUSANNE

Location

Lausanne

ISBN

3-85545-865-0

Book

Hydraulic Machinery and Systems

Pages from

735

Pages to

740

Pages count

6

BibTex

@inproceedings{BUT9613,
  author="Vladimír {Habán} and Jiří {Koutník} and František {Pochylý}",
  title="1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity",
  booktitle="Hydraulic Machinery and Systems",
  year="2002",
  pages="6",
  publisher="ÉCOLE POLYTECHNIQUE FÉDÉRALE OF LAUSANNE",
  address="Lausanne",
  isbn="3-85545-865-0"
}