Study on Aerodynamic Shape Optimization for Wing of Business Jet

Abstract

With the development of world economy and trade,the medium business jets are more favored by customers. In order to further improve the general aerodynamic performance of high-speed turbofan business jet,the optimization methods based on the full potential equation,sequential quadratic programming(SQP)and free form deformation(FFD)methods of class function/shape function transformation(CST)are used to carry out the multi-point optimization study for the wing of a medium business jet,and the optimization results are performed with comparison analysis. The results show that the drag coefficient of the optimized wing is reduced obviously,and the drag divergence characteristic is significantly improved. The optimization method can effectively guide the wing aerodynamic shape to change with better aerodynamic performances.

Keywords

• medium business jet
• wing
• aerodynamic shape optimization
• tranair
• numerical simulation