Numerical Research of the Pressure Fluctuation of the Bow of the Submarine at Different Velocities

Xing He, Qiaogao Huang, Guocang Sun, Xihui Wang

JOURNAL OF MARINE SCIENCE AND ENGINEERING(2022)

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摘要
A numerical analysis based on stress-blended eddy simulation was conducted to investigate the pressure fluctuation of the bow of a submarine at various velocities (5.93 kn, 10 kn, and 12 kn). The simulation results were compared with the experimental data to demonstrate the validity of the numerical method. Self-power spectrum and wave-number frequency spectrum were discussed from the perspective of energy. The results show that with increasing submarine velocity, the pressure fluctuation in the axial direction increases, the transition point moves forward, and the frequency of the Tollmien-Schlichting wave raises.
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关键词
the bow of the submarine,turbulent boundary layer,pressure fluctuation,stress-blended eddy simulation
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