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ON PROPULSIVE PERFORMANCE OF PROPELLER AND RUDDER SYSTEM

G Wang, Shaojie Jiang, Chen-Jun Yang

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Abstract

In this paper a numerical lifting surface method, ie, the vortex lattice method is applied for predicting the characteristics of the propeller. The propulsive performance of the propeller-rudder system is studied and a panel method is employed to describe the performance of the rudder behind the propeller. The drag of the rudder is calculated by boundary layer theory to enhance the accuracy of the prediction. Several examples are given and the calculated results and experimental data show good agreement.

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What this paper is about

In this paper a numerical lifting surface method, ie, the vortex lattice method is applied for predicting the characteristics of the propeller. The propulsive performance of the propeller-rudder system is studied and a panel method is employed to describe the performance of the rudder behind the propeller. The drag of the rudder is calculated by boundary layer theory to enhance the accuracy of the prediction. Several examples are given and the calculated results and experimental data show good agreement.

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Available abstract

In this paper a numerical lifting surface method, ie, the vortex lattice method is applied for predicting the characteristics of the propeller. The propulsive performance of the propeller-rudder system is studied and a panel method is employed to describe the performance of the rudder behind the propeller. The drag of the rudder is calculated by boundary layer theory to enhance the accuracy of the prediction. Several examples are given and the calculated results and experimental data show good agreement.

Key concepts: Rudder, Propeller, Marine engineering, Drag, Boundary layer, Propulsor, Engineering, Aerospace engineering

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