Development of a lifting-line-based method for preliminary propeller design


TA novel formulation for marine propellers based on adaptations from wing lifting-line theory is presented; the method is capable of simulating propellers with skewed and raked blades. It also incorporates the influence of viscosity on thrust and torque from hydrofoil data through a nonlinear scheme that changes the location of the control points iteratively. Several convergence studies are conducted to verify the different aspects of the numerical implementation and the results indicate satisfactory convergence rates for Kaplan, KCA, and B-Troost propellers. It is expected that the method accurately describes thrust, torque, and efficiency under the moderately loaded propeller assumption.

KLEINE, Felipe Augusto de Souza; CHREIM, José Rodolfo; PIMENTA, Marcos de Mattos; DANTAS, João Lucas Dozzi; ASSI, Gustavo Roque da Silva; KATSUNO, Eduardo Tadashi. Development of a lifting-line-based method for preliminary propeller design. In: INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 37., 2018, Madrid. Proceedings… 10 p.

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