Journal of Shanghai Jiaotong University ›› 2011, Vol. 45 ›› Issue (04): 505-509.

• Communication and Transportation • Previous Articles     Next Articles

Improvement to a Design Method for
Highly Skewed ContraRotating Propellers of Underwater Vehicles

 ZHANG  Tao, SONG  Bao-Wei, YANG  Chen-Jun   

  1. (1.School of Marine Engineering, Northwestern Polytechnical University, Xi’an 710072, China;2.The 705th Research Institute Kunming, CSIC, Kunming 650118, China; 3.School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China)
  • Online:2011-04-29 Published:2011-04-29

Abstract: The design method based on liftingline and liftingsurface theories for highly skewed contrarotating propellers was studied. An improved approach for designing the pitch distribution and camber surface was devised and incorporated into the existing design procedure to enhance its efficiency and accuracy. The design example and its numerical validation results indicate that the improved procedure is capable of enhancing computational efficiency and producing smooth blade geometries. The present method provides a useful tool for the design of highly skewed contrarotating propellers.

Key words: underwater vehicles, contrarotating propellers, vortex lattice method, propeller design

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