2012 2(10)

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   Short abstract

 

Pages:

283 - 289

Language:

RU

Ref.:

10


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2012_2(10)_49.pdf

 

 

HIGH-SPEED VISUALIZATION OF PARTIAL CAVITIES ON 2D HYDROFOILS AT VARIOUS CONDITIONS

Kravtsova A.Yu.1,2, Markovich D.M.1,2, Pervunin K.S.1,2, Timoshevskiy M.V.1,2

1 Institute of Thermophysics SB RAS, Novosibirsk, Russia
2 Novosibirsk State University, Novosibirsk, Russia


Citation:

Kravtsova, A.Yu., Markovich, D.M., Pervunin, K.S. and Timoshevskiy, M.V., (2012) High-speed visualization of partial cavities on 2D hydrofoils at various conditions, Modern Science: Researches, Ideas, Results, Technologies, Iss. #2(10), PP. 283 - 289.


Keywords:

gas-vapor cavity; sheet and cloud cavitation; cavitating flows; high-speed imaging; plate; cascade of hydrofoils


Abstracts:

Abstract: Results of high-speed imaging of cavitating flows with high spatial resolution are presented in the paper. Various patterns of partial cavities occurring on the suction side of a plate with semi-cylindrical nose, a NACA0015 series hydrofoil and a cascade consisting of three identical NACA0015 hydrofoils are described in detail. Analysis of the experimental data allowed a particular study of the dynamics and spatial structure of the cavities. In case with cascade, cavity length pulsations on the upper hydrofoil were revealed to produce those of the other cavities on the middle and lower ones at the same frequency due to changing pressure field.


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