Analysis on Aerodynamic Characteristics of the UAV Horizontal Tail Under Propeller Slipstream

ZENG Zhuo-xiong; WU Qing

doi:10.3879/j.issn.1000-0887.2016.05.005

Volume 37 Issue 5

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ZENG Zhuo-xiong, WU Qing. Analysis on Aerodynamic Characteristics of the UAV Horizontal Tail Under Propeller Slipstream[J]. Applied Mathematics and Mechanics, 2016, 37(5): 492-500. doi: 10.3879/j.issn.1000-0887.2016.05.005

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Analysis on Aerodynamic Characteristics of the UAV Horizontal Tail Under Propeller Slipstream

doi: 10.3879/j.issn.1000-0887.2016.05.005

ZENG Zhuo-xiong¹,
WU Qing²

¹College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, P.R.China;²School of Aircraft Engineering, Nanchang Hangkong University, Nanchang 330063, P.R.China

Funds: The National Natural Science Foundation of China（51066006；51266013）

Received Date: 2015-12-03
Rev Recd Date: 2016-02-03
Publish Date: 2016-05-15

Abstract

Abstract

In order to analyze the change law of the aerodynamic characteristics of the unmanned aerial vehicle (UAV) horizontal tail under the effects of the propeller slipstream, the numerical results were compared between cases with and without propeller drive. It is found that, under the propeller slipstream, the flow around the wing is reinforced and a stronger downwash appears. The induced flow changes the local incidence of the horizontal tail and speeds up the flow velocity on the tail surface. So, the lift coefficient of the horizontal tail decreases, the drag coefficient increases a little, and the noseup pitching moment rises. The drag force on the wing under the propeller slipstream changes relatively obviously with the rise of the attack angle.
- propeller,
- slipstream,
- aerodynamic characteristic

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References(8)

References

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