National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
XXIV Biennial Symposium on Measuring Techniques in Turbomachinery
Šimurda, David
Aim of the symposium is to bring together researchers from the field of experimental research in turbomachines who can share and are interested in experience with the development of new experimental measurement techniques, new techniques for monitoring engine operation and performance, and application of new analysis techniques to experimental data.
Vyšetřování charakteristik ventilátoru použitého jako zdroj vzduchu v experimentálním zařízení pro zkoumání šroubovicových nestabilit v proudících tekutinách
Tesař, Václav ; Kukačka, Libor ; Kellnerová, Radka
For investigations of aerodynamic properties of helical instabilities in flowing fluids, an experimental rig is currently built. It is intended on the one hand for visualisations of acoustically excited helical structures and on the other hand for model experiments with flows of cyclonal character. As the universal air source for both purposes, a blower is used for which no loading characteristics were available - and which, at any rate, is to be operated in some of the regimes at very low Reynolds numbers where one has to expect deviation from characteristics obtained under standard conditions. The authors investigated the blower loading characteristics experimentally and used this opportunity to apply and test practical validity of the general ideas about universal representation of characteristics and criterial similarity parameters of turbomachines, published considerable time ago but seemingly little known and used.

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