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Dive into the research topics where Xu Jianhua is active.

Publication


Featured researches published by Xu Jianhua.


Archive | 2009

Calculation of Aerodynamic Performance of Propellers at Low Reynolds Number Based on Reynolds-Averaged Navier-Stokes Equations Simulation

Xu Jianhua; Song Wenping; Han Zhonghua

Propellers used for MAVs(micro Air Vehicles), UAVs (Unmanned Aerial Vehicles) and HAAs(High Altitude Airships) operate at low Reynolds number. Thus, the momentum-blade element theory[1] which is widely used in the aerodynamic design and calculation of propellers is restricted. Numerical simulations based on Euler/N-S equations are very effective in the study of detailed information of flow around propellers[2], especially useful in aerodynamic optimizations of propellers.


Archive | 2015

High-altitude propeller and propeller tip winglet capable of improving efficiency of high-altitude propeller

Yang Xudong; Zhang Shunlei; Xu Jianhua; Zhu Min; Song Chao; Song Wenping; Song Bifeng; An Weigang; Wang Haifeng; Li Yubin; Zhang Yugang


Archive | 2014

High-efficiency high-altitude propeller with extremely low Reynolds number and high-altitude unmanned aircraft

Xu Jianhua; Yang Xudong; Zhang Shunlei; Song Wenping; Zhu Min; Song Chao; Song Bifeng; An Weigang; Wang Haifeng; Li Yubin; Zhang Yugang


Archive | 2015

Special spoon-shaped wing section with ultra-low Reynolds number, high lift-drag ratio and low speed

Yang Xudong; Zhang Shunlei; Xu Jianhua; Song Wenping; Zhu Min; Song Chao; Song Bifeng; An Weigang; Wang Haifeng; Li Yubin; Zhang Yugang


Archive | 2014

21%-thickness main airfoil for megawatt wind turbine blade

Han Zhonghua; Xu Jianhua; Yu Lei; Liu Fangliang; Song Wenping; Jiao Yuqin


Archive | 2014

High-efficiency pneumatic layout structure of synergistic jet for high-altitude propeller and control method

Yang Xudong; Zhu Min; Song Chao; Zhang Shunlei; Song Wenping; Xu Jianhua; Song Bifeng; An Weigang; Wang Haifeng; Li Yubin; Zhang Yugang


Archive | 2017

Sweepforward nature laminar flow wing applicable to medium-short range high-speed civil aircraft

Han Zhonghua; Zhu Zhen; Chen Jing; Xu Jianhua; Song Wenping


Archive | 2016

High-altitude, low-speed and high-lift natural laminar flow airfoil

Han Zhonghua; Zhang Yu; Shi Laixiang; Xu Jianhua; Song Wenping


Archive | 2015

Low-Reynolds-number airfoil section with multi-seam synergetic jet flow control and control method

Yang Xudong; Song Chao; Zhu Min; Zhang Shunlei; Xu Jianhua; Song Wenping; Song Bifeng; An Weigang; Wang Haifeng; Li Yubin; Zhang Yugang


Archive | 2014

Low-Reynolds-number airfoil profile with cooperative fluidic control, and control method thereof

Yang Xudong; Song Chao; Zhu Min; Zhang Shunlei; Song Wenping; Xu Jianhua; Song Bifeng; An Weigang; Wang Haifeng; Li Yubin; Zhang Yugang

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Song Wenping

Northwestern Polytechnical University

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Han Zhonghua

Northwestern Polytechnical University

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Song Bifeng

Northwestern Polytechnical University

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Wang Haifeng

Northwestern University

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