"2002-09-09+02:00"^^ . . . "1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity"@en . "1-D matematick\u00FD model vysokofrekven\u010Dn\u00EDch pulsac\u00ED buzen\u00FDch RSI s vlivem druh\u00E9 viskozity"@cs . "oscillations, viscosity"@en . "[2CC3A3E909C5]" . . "P(GA101/01/0580)" . . "\u00C9COLE POLYTECHNIQUE F\u00C9D\u00C9RALE OF LAUSANNE" . . "671820" . . "Hydraulic Machinery and Systems" . "3-85545-865-0" . "735-740" . "P\u0159i modelov\u00E1n\u00ED vysokofrekven\u010Dn\u00EDch pulsac\u00ED je rozhoduj\u00EDc\u00ED tlum\u00EDc\u00ED schopnost. Dosud se p\u0159edpokl\u00E1dalo, \u017Ee tlumen\u00ED je d\u00E1no pouze prvn\u00ED viskozitou nebo kvadr\u00E1tem pr\u016Ftoku. V \u010Dl\u00E1nku je pops\u00E1n model tlumen\u00ED zahrnuj\u00EDc\u00ED \u00FA\u010Dinky druh\u00E9 viskozity. Druh\u00E1 viskozita byla experiment\u00E1ln\u011B zji\u0161t\u011Bna v laborato\u0159\u00EDch odboru Fluidn\u00EDho in\u017Een\u00FDrstv\u00ED Victora Kaplana Vysok\u00E9ho u\u010Den\u00ED technick\u00E9ho v Brn\u011B. Matematick\u00FD model syst\u00E9mu s hydraulick\u00FDm strojem (vodn\u00ED turb\u00EDnou), rovn\u00FDm potrub\u00EDm a uzly reprezentoval rozv\u00E1d\u011Bc\u00ED kolo, spir\u00E1ln\u00ED t\u011Bleso a p\u0159ivad\u011B\u010D."@cs . "RIV/00216305:26210/02:PU30738!RIV07-GA0-26210___" . "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." . . . "6"^^ . "1-D matematick\u00FD model vysokofrekven\u010Dn\u00EDch pulsac\u00ED buzen\u00FDch RSI s vlivem druh\u00E9 viskozity"@cs . . . . "3"^^ . "Koutn\u00EDk, Ji\u0159\u00ED" . . "RIV/00216305:26210/02:PU30738" . "1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity"@en . "Pochyl\u00FD, Franti\u0161ek" . "1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity" . "3"^^ . "Hab\u00E1n, Vladim\u00EDr" . . "1-D Mathematical model of high-frequency pressure oscillations induced by RSI including an influence of fluid second viscosity" . "Lausanne" . "26210" . . "Lausanne" . . "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."@en . . .