Determination of frequencies of oscillations of cloud cavitation on a 2-D hydrofoil from high-speed camera observations

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F16%3A00460682" target="_blank" >RIV/61388998:_____/16:00460682 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26220/16:PU120518
Result on the web
<a href="http://ac.els-cdn.com/S1001605816606406/1-s2.0-S1001605816606406-main.pdf?_tid=dee3b8f4-4a62-11e6-9d83-00000aacb361&acdnat=1468570098_ce8b727c766e0f96ee20d505e7058102" target="_blank" >http://ac.els-cdn.com/S1001605816606406/1-s2.0-S1001605816606406-main.pdf?_tid=dee3b8f4-4a62-11e6-9d83-00000aacb361&acdnat=1468570098_ce8b727c766e0f96ee20d505e7058102</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/S1001-6058(16)60640-6" target="_blank" >10.1016/S1001-6058(16)60640-6</a>

Result language
angličtina
Original language name
Determination of frequencies of oscillations of cloud cavitation on a 2-D hydrofoil from high-speed camera observations
Original language description
A method is presented to determine significant frequencies of oscillations of cavitation structures from high-speed camera recordings of a flow around a 2-D hydrofoil. The top view of the suction side of an NACA 2412 hydrofoil is studied in a transparent test section of a cavitation tunnel for selected cloud cavitation regimes with strong oscillations induced by the leading-edge cavity shedding. The ability of the method to accurately determine the dominant oscillation frequencies is confirmed by pressure measure- ments. The method can resolve subtle flow characteristics that are not visible to the naked eye. The method can be used for non- invasive experimental studies of oscillations in cavitating flows with adequate visual access when pressure measurements are not available or when such measurements would disturb the flow.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BK - Liquid mechanics
OECD FORD branch
—

Project
<a href="/en/project/GA13-23550S" target="_blank" >GA13-23550S: Experimental research and mathematical modelling of unsteady phenomena induced by hydrodynamic cavitation</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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