Uncertainty quantification of separation control with synthetic jet actuator over a NACA0025 airfoil

Shuai Jiang; Jianyang Yu; Shilong YinYanzhao YangFu ChenPierre E. Sullivan

首页> 外文期刊>Aerospace science and technology >Uncertainty quantification of separation control with synthetic jet actuator over a NACA0025 airfoil

【24h】

Uncertainty quantification of separation control with synthetic jet actuator over a NACA0025 airfoil

机译：Uncertainty quantification of separation control with synthetic jet actuator over a NACA0025 airfoil

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相关主题

摘要

A compressed sensing method based on polynomial chaos expansion (CS-PCE) is used to study separation control over an airfoil with a synthetic jet actuator (SJA). Uncertainty quantification (UQ) of a two-dimensional cavity driven flow model based on a Monte Carlo (MC) method with a sample size of 3000 is used as the indicator to evaluate the applicability and accuracy of four different probability collocation (PRC) methods. The sample points corresponding to the chosen model are used in a three-dimensional SJA control model. The effects of input factors on the aerodynamic performance and flow field parameters of airfoil are studied and show that a 5% coefficients of variation of stochastic input variables result in a roughly 30% fluctuation of lift-to-drag ratio. High uncertainty mainly exists in the middle and downstream regions of the upper surface corresponding to high vorticity regions. As sample size is increased, the accuracy of the CS-PCE model is improved. Compared with traditional methods, the CS-PCE method reduces computing costs up to 70% for similar results.

著录项

来源
《Aerospace science and technology》 |2023年第2期|108106.1-108106.12|共12页
作者
Shuai Jiang; Jianyang Yu; Shilong YinYanzhao YangFu ChenPierre E. Sullivan;
展开▼
作者单位

School of Energy Science and Technology, Harbin Institute of Technology, Harbin, 75000 J, China;

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, H3C 1M8, Canada;

展开▼
收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
CS-PCE; UQ; LHS-PCE; Optimal sample space selection strategy;

Uncertainty quantification of separation control with synthetic jet actuator over a NACA0025 airfoil

摘要

著录项

相关主题

期刊订阅