Abstract
A new Dual-Point design procedure has been developed to improve the aerodynamic performance of transonic airfoils at two design points. A target pressure distribution at each design point was optimized by a Genetic Algorithm. Single-Point design was performed to make an airfoil producing given target pressure and satisfying specified geometric constraints at each design point. Then several intermediate airfoils were made by hybrid inverse optimization method. A redesigned airfoil of Dual-Point design was found using weighted average of intermediate airfoil shapes based on the linear variation assumption. Two examples of Dual-Point design to improve the performance at an Off-Design condition are presented. These design examples show that a Dual-Point design procedure presented in this paper is very efficient for Multi-Point design of transonic airfoils.
Original language | English |
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Publication status | Published - 1997 |
Event | 35th Aerospace Sciences Meeting and Exhibit, 1997 - Reno, United States Duration: 6 Jan 1997 → 9 Jan 1997 |
Conference
Conference | 35th Aerospace Sciences Meeting and Exhibit, 1997 |
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Country/Territory | United States |
City | Reno |
Period | 6/01/97 → 9/01/97 |
Bibliographical note
Publisher Copyright:© 1997 by Hyoung-Jin Kim. Published by the American Institute of Aeronautics and Astronautics, Inc.