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螺旋桨的CFD模拟与验证(英文)

Shin Hyung Rhee, NH
Shitalkumar Joshi, India
Fluent Inc.
10 Cavendish Court, Centerra Resource Park
Lebanon, NH 03766
Software: FLUENT
September 2003

Abstract
Results of computational fluid dynamics validation for flow around a marine propeller are
presented. Computations were performed for various advance ratios following experimental conditions. The objectives of the study are to propose and verify a hybrid mesh generation strategy, and to validate computational results against experimental data with advanced computational fluid dynamics tools. Computational results for both global and local flow quantities are discussed and compared with experimental data. The predicted thrust and torque are in good agreement with the measured values. The pressure distribution and pathlines on and around the blade surface well reproduce the physics of highly skewed marine propeller flow with tip vortex. The circumferentially averaged velocity components compare well with the measured values, while the velocity and turbulence quantities in the highly concentrated tip vortex region are under-predicted. The overall results suggest that the present approach is practicable for actual propeller design procedures.


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