Modeling and Systematic Investigation of a Small-Scale Propeller Selection

Document Type : Original Article

Authors

1 Guidance Department, Military Technical college, Cairo, Egypt

2 Military Technical College, Cairo ,Egypt

3 Military Technical college

4 Professor in Electronic Engineering Department, Military Technical College

Abstract

The propulsion system has a dramatic effect on Unmanned Aircraft vehicles (UAVs) performance in addition to the indispensable function in creating a nonlinear flight simulation model for UAVs. Motivated by the problem of propeller modeling and selecting the highly appropriate propeller with affordable low computational time and power, this research focuses on carrying out a complete propeller performance assessment environment based on Enhanced Blade Element Theory (EBET). Contrary to the classical blade element theory (BET), the EBET considers the existence of the propeller angle of attack, as well as the free-steam velocity consequently accurate prediction of the aerodynamic loads furthermore The BET is reliable in moderate loading conditions and for reduced complexity geometries. In this regard, the APC 12X6E propeller is geometrically modeled based on digital scanning and manufacturer data furthermore operating conditions in the flight regimes. The propeller's static and dynamic performance characteristics are estimated to be used in UAV open-loop flight simulation model and to calculate the power coefficient. The assessment results show the efficiency of the proposed propeller simulated model.

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