28th Congress of the International Council of the Aeronautical Sciences, 23 - 28 September 2012, Brisbane, Australia
Paper ICAS 2012-3.2.1

STUDIES ON IMPROVEMENT OF NONLINEAR PITCHING MOMENT CHARACTERISTICS OF CRANKED-ARROW WING

W. Zhao, D. Kwak*, K. Rinoie
Univ. of Tokyo, Japan; *JAXA, Japan

Keywords: cranked-arrow wing, high angle of attack, pitching moment, vortex breakdown

One of the major problems for low speed aerodynamic performance of the cranked-arrow wing configuration is the non-linear pitching moment characteristics observed at high angle of attack. A series of wind tunnel testing has been conducted. Effects of several devices that can improve this non-linear problem were introduced and investigated.

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