@inproceedings{8107ef673fc74c4ea7a6af1368ac3777,
title = "The drag reduction design for transonic airfoil with consideration of laminar transition",
abstract = "The effect of laminar transition on the drag reduction design of transonic airfoil is investigated in this paper. Full eN transition prediction model coupled with RANS solver is used to automatically determine transition positioa Gradient-based optimization method is adopted for modification of airfoil profile. The gradient for optimization is obtained by adjoint method with fixed angle of attack. In order to examine the effect of laminar transition on optimization, two flow conditions are considered in the present paper for airfoil drag reduction d esiga Airfoil of RAE2822 taken as example is optimized with full turbulence model and full eN transition prediction model respectively. Then, the two kinds of designed airfoils are verified under the same flow condition. The results show that whether the flow condition for test is full turbulent or transitional flow the airfoil designed with consideration of laminar transition gives smaller drag than airfoil designed with full turbulence model does. Therefore, it is beneficial that taking transition prediction into consideration in the optimization design process.",
keywords = "Airfoils, Computational fluid dynamics, Drags reduction, Laminar flow boundary, Linear stability analysis, Optimization, Transition flow, Transonic flow",
author = "Long Wang and Wenping Song and Kun Zhang and Xudong Yang",
year = "2010",
language = "英语",
series = "Proceedings of 2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010",
publisher = "Northwestern Polytechnical University",
pages = "279--282",
booktitle = "Proceedings of 2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010",
note = "2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010 ; Conference date: 13-09-2010 Through 15-09-2010",
}