Abstract
날개-동체-카나드 형상 전투기급 항공기 개념설계 기간 동안, 항공기 기동성 증대 방안으로서 카나드-앞전플랩 스케줄링 효과에 대한 연구를 수행하였다. 본 연구에서는 고속 영역에서 카나드-앞전플랩 변위각에 의한 양항특성을 예측하기 위하여 보정된 초음속 패널 방법을 사용하였다. 예측된 양항곡선을 활용하여 카나드-앞전플랩 스케줄링 법칙을 설정하였다. 이러한 카나드-앞전플랩 스케줄 법칙은 양항비를 최대로 하는 카나드-앞전플랩 굽힘과 비행조건과의 관계이다. 카나드-앞전플랩 스케줄링에 의한 결과를 기초로, 제시된 방법은 날개-동체-카나드형상 전투기급 항공기의 기동성을 증대하는데 유용한 것으로 확인되었다. During the conceptual design phase of a wing-body-canard type fighter class aircraft, as a method of maneuverability enhancement for an aircraft, effects of canard-leading edge flap scheduling have been studied. In this study, corrected supersonic panel method has been used to predict the drag polar characteristics due to canard-leading edge flap deflections in the high speed regime. Utilizing the predicted drag polar curves, the canard-leading edge flap scheduling laws have been established. These scheduling laws are the relation of canard-leading edge flap deflections and the flight conditions to maximize the lift-drag ratio. Based on the results obtained from the canard-leading edge flap scheduling, the present method has shown to be useful to enhance the maneuverability of wing-body-canard type fighter class aircraft.
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