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Design of High Altitude Propeller Using Multilevel Optimization
Liu XQ1; He WL1; Wei FM(魏凤美)2
Corresponding AuthorLiu, Xinqiang(
AbstractAn improved D'Angelo optimization framework based on the surrogate model and optimization algorithm is proposed to design and optimize a new high altitude propeller which is applied to the propulsion system of the stratospheric aircraft. The framework adopts a multilevel optimization strategy to determine a high efficiency and light weight propeller. The aerodynamic characteristics of S1223 airfoil are calculated by Computational Fluid Dynamics (CFD) method. The aerodynamic performance of the D'Angelo propeller which is obtained by the first-level optimization is predicted by Blade element momentum (BEM) theory. Then the D'Angelo propeller chord and twist angle, which are regarded as the initial conditions of the second-level optimization, are optimized to achieve the maximum efficiency by Multi-island genetic algorithm (MIGA). In addition, the non-dominated sorting genetic algorithm II (NSGA-II) is applied to maximize the propeller efficiency and minimize the propeller weight. And the Pareto frontier solutions about the efficiency and the blade area are obtained by NSGA-II. What is more, the aerodynamic characteristics of the D'Angelo propeller, the optimization propeller by MIGA, and the optimization propeller by NSGA-II are calculated by CFD simulation and compared with BEM results. It is shown that the CFD results are in fair agreement with BEM results and the aerodynamic performance of the NSGA-II propeller is prior to the MIGA propeller and is close to the D'Angelo propeller. Besides, the NSGA-II propeller is the lightest among them and can satisfy the cruise requirements of the high altitude propeller.
KeywordHigh altitude propeller multilevel optimization blade element momentum theory MIGA NSGA-II CFD simulation
Indexed BySCI ; EI
WOS IDWOS:000500190300011
WOS Research AreaEngineering ; Mathematics
WOS SubjectEngineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications
ContributorLiu, Xinqiang
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Beihang Univ, Sch Astronaut, Beijing 100191, Peoples R China;
2.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu XQ,He WL,Wei FM. Design of High Altitude Propeller Using Multilevel Optimization[J]. INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODS,2020,17(4):32.
APA Liu XQ,He WL,&魏凤美.(2020).Design of High Altitude Propeller Using Multilevel Optimization.INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODS,17(4),32.
MLA Liu XQ,et al."Design of High Altitude Propeller Using Multilevel Optimization".INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODS 17.4(2020):32.
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