Aerodynamic Configuration Optimization of a Propeller Using Reynolds-Averaged Navier–Stokes and Adjoint Method

Yang Zhang, Yifan Fu, Peng Wang and Min Chang ()
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Yang Zhang: State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Jiaotong University, Xi’an 710049, China
Yifan Fu: State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Jiaotong University, Xi’an 710049, China
Peng Wang: Intelligent Systems and Control Laboratory, Centre for Robotics and Automation, City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China
Min Chang: Unmanned System Research Institute, Northwestern Polytechnical University, Xi’an 710072, China

Energies, 2022, vol. 15, issue 22, 1-18

Abstract: The discrete adjoint method was used to optimize the aerodynamic configuration in order to increase the efficiency and precision of design. The fully unstable simulation of propeller rotation was avoided using the quasi approach. In the meantime, the gradient-based optimization approach was extended to the rotating coordinate in which the propeller blades were running, thereby increasing the dimension of the shape parameters as multi-coordinates were taken into account. However, the precision of the propeller optimization was improved by expanding the range of variation for design parameters. Using the current design framework, the propeller’s torsion angle, blade chord length, and blade profile were modified independently by an optimization solver, resulting in a notable acceleration.

Keywords: propeller; aerodynamic optimization; discrete adjoint method; quasi-steady simulation (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: 2022
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