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Yang Wugang, Wen Kaige, Li Sancai, Zhang Yuwen, . DETERMINATION OF ENTRAINMENT RATE FOR SUPERCAVITATION VEHICLE[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, (4): 694-700. DOI: 10.6052/0459-1879-11-320
Citation: Yang Wugang, Wen Kaige, Li Sancai, Zhang Yuwen, . DETERMINATION OF ENTRAINMENT RATE FOR SUPERCAVITATION VEHICLE[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, (4): 694-700. DOI: 10.6052/0459-1879-11-320
shu

DETERMINATION OF ENTRAINMENT RATE FOR SUPERCAVITATION VEHICLE

  • 1.

    School of Electronic and Control Engineering, Chang'an University, Xi'an 710064, China

  • 2. College of Science, Chang'an University, Xi'an 710064, China

  • 3. College of Marine Engineering, Northwestern Polytechnical University, Xi'an 7100724, China

Funds: The project was supported by National Defense Basic Research Foundation of China (K1800060604).
  • Received Date: November 06, 2011
  • Revised Date: February 20, 2012
    Graphical Abstract
    • Abstract
  • The effect of liquid viscosity on an annular swirling viscous liquid jet with different swirl strength values is studied with linear instability analysis. The spatial mode instability analysis for para-sinuous mode and para-varicose mode is carried out. An analytical form of dispersion relation is derived, which governs the disturbance growth for an annular swirling viscous liquid sheet with a solid vortex swirl velocity profile subjected to three-dimensional disturbances. The results show that, with higher swirl strength, the increase of viscosity hinders the breakup and makes the domain frequency and domain wave number smaller. However, at low swirl strength, the increase of viscosity speeds up the breakup, makes the domain frequency in the para-sinuous mode first decrease and then increase and makes the domain frequency in the para-varicose mode increase. Furthermore, at low swirl strength, the domain wave number in the para-sinuous mode first decreases and then increases, the domain wave number in the para-varicose mode increases with an increase in liquid viscosity.
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  • 杨武刚,张宇文,阚雷等. 通气法控制超空泡流动的试验研究.应用力学学报, 2007: 24(4): 504-508 (Yang Wugang, Zhang Yuwen, Kan Lei, et al. Experimental investigation to supercavitation flow with ventilated method.Chinese Journal of Applied Mechanics, 2007, 24(3): 504-508 (in Chinese)
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