Rapid Design Method of Heavy-Loaded Propeller for Distributed Electric Propulsion Aircraft

Shijie Shi, Jiabo Huo (), Zhongbao Liu and Aicheng Zou
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Shijie Shi: School of Aeronautics and Astronautics, Guilin University of Aerospace Technology, Guilin 541004, China
Jiabo Huo: School of Aeronautics and Astronautics, Guilin University of Aerospace Technology, Guilin 541004, China
Zhongbao Liu: Caihong UAV Technology Co., Ltd., China Academy of Aerospace Areodynamics, Beijing 10074, China
Aicheng Zou: School of Aeronautics and Astronautics, Guilin University of Aerospace Technology, Guilin 541004, China

Energies, 2024, vol. 17, issue 4, 1-17

Abstract: On Distributed Electric Propulsion (DEP) aircraft, the deployment of numerous high-lift propellers with small diameters on the wing’s leading edge significantly enhances lift during low-speed flight. The increase in the number of propellers leads to a decrease in diameter, which increases the disc loading. In this paper, a rapid design method applicable to heavy-loaded propellers is developed and does not require iterative calculations compared to traditional heavy-loaded propeller design methods, enabling rapid completion of the propeller design. The results of CFD computation show that the relative thrust error of the method proposed in this paper is within 5% for disc loading ranging from 600 Pa to 1400 Pa, features a high-accuracy design of propellers with required thrust, and high thrust coefficients are achieved within large advance ratio range.

Keywords: heavy loaded propeller; propeller design; circulation distribution; distributed electric propulsion (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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