Preparation of experimental and numerical research on unsteady cavitating flow around hydrofoil

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24210%2F15%3A00002145" target="_blank" >RIV/46747885:24210/15:00002145 - isvavai.cz</a>

Alternative codes found

RIV/61388998:_____/15:00439951

Result on the web

<a href="http://www.epj-conferences.org/articles/epjconf/pdf/2015/11/epjconf_efm2014_02036.pdf" target="_blank" >http://www.epj-conferences.org/articles/epjconf/pdf/2015/11/epjconf_efm2014_02036.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/epjconf/20159202036" target="_blank" >10.1051/epjconf/20159202036</a>

Result language

angličtina

Original language name

Preparation of experimental and numerical research on unsteady cavitating flow around hydrofoil

Original language description

This paper describes the preparation of the experimental setup and the results of the CFD analysis for the investigation of the unsteady cavitating flow around a prismatic NACA 2412 hydrofoil at different flow conditions. The experimental research is carried out in the cavitation water tunnel located in the Centre of Hydraulic Research in Lutín. The tunnel is integrated into the closed horizontal loop of the hydraulic test rig. The transparent test section provides a full view of the flow around the hydrofoil. The hydrofoil incidence angle is fully adjustable. Two variants of hydrofoil of the same geometry have been designed. One variant is equipped with pressure tap holes for the measurement of the static pressure, and the other variant is covered with a grid of five PVDF films, fully integrated in the hydrofoil. The PVDF films enable to measure the impact forces exerted on the hydrofoil surface by the collapsing cavitation structures. The high-frequency pressure oscillations downstream of the hydrofoil trailing edge are measured using the PVDF hydrophone. The cavitating flow is visualized using two simultaneously operating high-speed cameras providing the top and side views of the flow. A preliminary CFD analysis using the ANSYS CFX package helped to determine the flow regimes for the experimental study. The obtained CFD results agree well with the preliminary measurements.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

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OECD FORD branch

10305 - Fluids and plasma physics (including surface physics)

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

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

EPJ Web of Conferences

ISBN

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ISSN

2100-014X

e-ISSN

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Number of pages

6

Pages from-to

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Publisher name

E D P SCIENCES, 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE

Place of publication

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Event location

Český Krumlov, Czech Republic

Event date

Jan 1, 2014

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

000358249900038