Journal of Shanghai Jiaotong University ›› 2013, Vol. 47 ›› Issue (06): 956-961.

• Communication and Transportation • Previous Articles     Next Articles

Hydrodynamics Performance of Podded Propulsion at Declination Angles

XIONG Ying1,SHENG Li2,YANG Yong1
  

  1. (1.Department of Naval Engineering, Naval University of Engineering, Wuhan 430033, China; 2.Naval Academy of Armament, Shanghai 200235, China)
  • Received:2012-04-30

Abstract:

The hydrodynamics performance of podded propulsion at declination angles was discussed. A series of experimental investigations for hydrodynamics performance of podded propulsion at declination angles were conducted by pod dynamical instrument and cavitation tunnel. The hydrodynamics performance of podded propulsion at different declination angles were compared and analyzed. Meanwhile, the hydrodynamics performance of podded propulsion at declination angles were predicted using the RANS formula with RNG k-ε turbulence model based on the sliding mesh method. The experimental and the numerical results were compared and analyzed, which indicate that, along with  the augmentation of the declination angle, the warp between the experimental and the numerical results is larger, especially for the thrust of podded propulsion in the flow direction. However, the variational trend is consistent.

Key words: podded propulsion, hydrodynamics performance, cavitation tunnel, declination angles, model test, numerical simulation

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