Wind Tunnel Testing for Blended Wing Body Aircraft with Canard

WAHYU, KUNTJORO and WIRACHMAN, WISNOE and ZURRIATI, MOHD ALI (2015) Wind Tunnel Testing for Blended Wing Body Aircraft with Canard. In: Fourth International Conference On Advances in Mechanical, Aeronautical and Production Techniques - MAPT 2015, 26-27 September, 2015, Kuala Lumpur, Malaysia.

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The Blended Wing-Body (BWB) aircraft is an unconventional aircraft that offers the aerodynamics performance advantages compared to the conventional aircraft. This type of aircraft has a unique design where the main body is blended together with the wing that gives the additional lift of the aircraft. In contrast to the conventional aircraft, the BWB has a poor stability due to the absence of the tail. A possible solution is by using a horizontal control surface, the canard, to improve the stability of the BWB. For this purpose, a comprehensive investigation of the aerodynamic behavior of the BWB with canard is important. The experimental works were performed on a scale model and tested in a low speed wind tunnel. Angles of attack,  varied from -10 to 10 degree, as well as canard setting angles, . The investigations were carried out at Reynolds Number of 3 x 105. The results show that the canard contributes a small lift forces but with the increase of drag to the BWB. On the stability issue, the canard with higher aspect ratio has a significant effect towards the moment coefficient of the aircraft configuration where it improves the trim angle and moment at zero lift. All these results are encouraging enough for the canard to be considered as mechanism for controlling the longitudinal mode of the BWB aircraft.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Wind Tunnel, Blended Wing Body, Canard, Aerodynamics.
Depositing User: Mr. John Steve
Date Deposited: 26 Apr 2019 04:31
Last Modified: 26 Apr 2019 04:31

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