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Numerical Analysis of Scale Effect on Propeller E1619

[+] Author Affiliations
Xi Chen

China Ship Development and Design Center, Shanghai, China

Yushen Huang, Peng Wei, Zhiguo Zhang, Fengfu Jin

Huazhong University of Science and Technology, Wuhan, China

Paper No. OMAE2018-78213, pp. V07BT06A043; 7 pages
  • ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 7B: Ocean Engineering
  • Madrid, Spain, June 17–22, 2018
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5127-2
  • Copyright © 2018 by ASME


Simulations of propeller E1619 of two models with different scales are presented using an in-house numerical code based on the solution of the Reynolds averaged Navier-Stokes equations for the purpose of analyzing the scale effect on propellers. Propeller open water performance at given advance coefficient was obtained and compared against experimental data, showing good agreement. In aspect of CFD results, scale effect is not obvious. ITTC’78 Performance Prediction Method is applied to correct both experimental and computational open water performance of model 1. Computational KT of model 2 and corrected KT of model 1 agrees well, but the difference between computational KQ of model 2 and corrected KQ of model 1 is not neglectable. The locations of the tip vortex core of the two models are similar to each other, and so is the pressure and fluid velocity distribution. The absolute value of pressure on the blades of the smaller model is higher than the bigger model. The fluid axial velocity around the smaller model is higher than the bigger model.

Copyright © 2018 by ASME



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