Cavitation around a hydrofoil has significant three-dimensional features. The full cavitation model and a RNG k−ɛ turbulence model with a modified turbulence viscosity coefficient and which related to the vapor and liquid densities in the cavitating region were used to simulate cavitation around a hydrofoil, with emphasizing on cavity’s three-dimensional features. Computations were made on the three-dimensional flow field around a NACA66 hydrofoil at a 6 deg angle of attack. The results show that the shedding frequency on the 3D hydrofoil agrees well with the experimental data. The computed results also capture the main feature of the 3D cavitation, which had a crescent shaped cavity because of the span wise velocity. This span wise velocity is due to the span wise pressure gradient caused by the lateral vortex near the side wall of the tunnel.
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August 2011
Research Papers
Numerical Simulation of Three-Dimensional Cavitation Around a Hydrofoil
Jing Yang,
Jing Yang
College of Water Conservancy and Civil Engineering,
e-mail: yangjingshirley@163.com
China Agricultural University
, Beijing, China
100083
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Lingjiu Zhou,
Lingjiu Zhou
College of Water Conservancy and Civil Engineering,
China Agricultural University
, Beijing, China
100083
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Zhengwei Wang
Zhengwei Wang
Department of Thermal Engineering,
e-mail: wzw@mail.tsinghua.edu.cn
Tsinghua University
, Beijing, China
100084
Search for other works by this author on:
Jing Yang
College of Water Conservancy and Civil Engineering,
China Agricultural University
, Beijing, China
100083e-mail: yangjingshirley@163.com
Lingjiu Zhou
College of Water Conservancy and Civil Engineering,
China Agricultural University
, Beijing, China
100083
Zhengwei Wang
Department of Thermal Engineering,
Tsinghua University
, Beijing, China
100084e-mail: wzw@mail.tsinghua.edu.cn
J. Fluids Eng. Aug 2011, 133(8): 081301 (9 pages)
Published Online: August 16, 2011
Article history
Received:
May 12, 2010
Accepted:
June 8, 2011
Online:
August 16, 2011
Published:
August 16, 2011
Citation
Yang, J., Zhou, L., and Wang, Z. (August 16, 2011). "Numerical Simulation of Three-Dimensional Cavitation Around a Hydrofoil." ASME. J. Fluids Eng. August 2011; 133(8): 081301. https://doi.org/10.1115/1.4004385
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