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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F09%3APU80648%21RIV10-MSM-26210___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
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. 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.
dcterms:title
Stability of Q-Y characteristic of centrifugal pump Stability of Q-Y characteristic of centrifugal pump
skos:prefLabel
Stability of Q-Y characteristic of centrifugal pump Stability of Q-Y characteristic of centrifugal pump
skos:notation
RIV/00216305:26210/09:PU80648!RIV10-MSM-26210___
n3:aktivita
n15:Z n15:P
n3:aktivity
P(GA101/09/1715), Z(MSM0021630518)
n3:dodaniDat
n14:2010
n3:domaciTvurceVysledku
n8:6210120 n8:4918509
n3:druhVysledku
n7:D
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
343321
n3:idVysledku
RIV/00216305:26210/09:PU80648
n3:jazykVysledku
n5:eng
n3:klicovaSlova
Stability, characteristics, pump, pulsations
n3:klicoveSlovo
n4:pulsations n4:characteristics n4:pump n4:Stability
n3:kontrolniKodProRIV
[2BDED2E2B8D3]
n3:mistoKonaniAkce
Svratka
n3:mistoVydani
Praha
n3:nazevZdroje
Engineering Mechanics 2009 - book of extended abstracts
n3:obor
n10:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n13:GA101%2F09%2F1715
n3:rokUplatneniVysledku
n14:2009
n3:tvurceVysledku
Drábková, Sylva Haluza, Miloslav Pochylý, František
n3:typAkce
n19:EUR
n3:zahajeniAkce
2009-05-11+02:00
n3:zamer
n21:MSM0021630518
s:numberOfPages
8
n20:hasPublisher
Akademoie věd České republiky
n17:isbn
978-80-86246-35-2
n9:organizacniJednotka
26210