期刊
ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID MECHANICS
卷 15, 期 1, 页码 293-313出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19942060.2020.1856723
关键词
Aerodynamic optimization; bio-inspired design; leading-edge tubercle; lift; angle of attack
资金
- National Natural Science Foundation of China [51809029]
- Natural Science Foundation of Liaoning Province [2019BS-025]
- National Equipment Pre-Research Foundation of China [61402070106]
- Dalian Science and Technology Innovation Fund Project [2020JJ25CY016]
- Fundamental Research Funds for the Central Universities [3132019306]
This paper proposes a groundbreaking method for the aerodynamic optimization design of bio-inspired wing with leading-edge tubercles, focusing on the optimization design of spanwise waviness in the leading edge to delay stall and increase lift. Numerical investigations using CFD computations validate the numerical scheme, while the combination of Non-dominated Sorting Genetic Algorithm II and Response Surface Method based Kriging Model is adopted as the aerodynamic optimization strategy.
The aim of the paper is to propose a groundbreaking method for the aerodynamic optimization design of the bioinspired wing with leading-edge tubercles. An emphasis on the optimization design of the spanwise waviness in the leading edge for delaying stall and increasing lift from the aerodynamic performance perspective has been laid in this study. For the conversion of the wavy configuration, the form parameterized approach using F-spline curves has been used to produce more variants of the leading-edge tubercles. Numerical investigations of flow characteristics which are performed using CFD computations have been used to validate the numerical scheme with experimental data. The combination of Non-dominated Sorting Genetic Algorithm II and Response Surface Method based Kriging Model has been adopted as the aerodynamic optimization strategy. As consequence, the three main components of the optimization process are incorporated into the establishment of the aerodynamic optimization design system for the bio-inspired airfoil with leading-edge tubercles. The four optimal airfoils respectively which increases the stall angle as well as the lift have been obtained in contrast to the smooth wing. The optimized bio-inspired design of this kind can be applied to flow-controlled devices for improving the efficiency of a particular operating mechanism.
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