Detail publikačního výsledku

Stability of Q-Y characteristic of centrifugal pump

POCHYLÝ, F.; HALUZA, M.; DRÁBKOVÁ, S.

Originální název

Stability of Q-Y characteristic of centrifugal pump

Anglický název

Stability of Q-Y characteristic of centrifugal pump

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

At the pumps of low specific speed it is possible, that near the point of zero discharge the Q-Y characteristic is unstable. This phenomenon of unstable Q-Y characteristic causes big pressures and discharge pulsations, which are characterized by self- excited oscillations of the systems. It is not recommended to run the pump between points of unstable characteristic. For this pump it is impossible to work in exacting operations (atomic power stations, heating plant stations, chemical industry). The stability conditions (Y,Q) are analyzed on the basis of dissipation function. It is assumed, that power input of the pump is linear function of the discharge.

Anglický abstrakt

At the pumps of low specific speed it is possible, that near the point of zero discharge the Q-Y characteristic is unstable. This phenomenon of unstable Q-Y characteristic causes big pressures and discharge pulsations, which are characterized by self- excited oscillations of the systems. It is not recommended to run the pump between points of unstable characteristic. For this pump it is impossible to work in exacting operations (atomic power stations, heating plant stations, chemical industry). The stability conditions (Y,Q) are analyzed on the basis of dissipation function. It is assumed, that power input of the pump is linear function of the discharge.

Klíčová slova

Stability, characteristics, pump, pulsations

Klíčová slova v angličtině

Stability, characteristics, pump, pulsations

Autoři

POCHYLÝ, F.; HALUZA, M.; DRÁBKOVÁ, S.

Rok RIV

2010

Vydáno

11.05.2009

Nakladatel

Akademoie věd České republiky

Místo

Praha

ISBN

978-80-86246-35-2

Kniha

Engineering Mechanics 2009 - book of extended abstracts

Edice

První edice, 2009

Strany od

208

Strany do

215

Strany počet

8

Plný text v Digitální knihovně

http://hdl.handle.net/

BibTex

@inproceedings{BUT29701,
  author="František {Pochylý} and Miloslav {Haluza} and Sylva {Drábková}",
  title="Stability of Q-Y characteristic of centrifugal pump",
  booktitle="Engineering Mechanics 2009 - book of extended abstracts",
  year="2009",
  series="První edice, 2009",
  number="1",
  pages="208--215",
  publisher="Akademoie věd České republiky",
  address="Praha",
  isbn="978-80-86246-35-2"
}