국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	Aerodynamic Characteristics of Hypersonic Flight Experiment (HYFLEX) Vehicle
저자	HYFLEX Aerodynamic Characteristics Research Team
Keyword	HYFLEX; hypersonic; aerodynamic characteristics; wind tunnel test; CFD; flight experiment
URL	http://send.nal.go.jp/send/jpn/dlpdf.php3/naltr0001334.pdf?id=NALTR0001334
보고서번호	NAL TR-1334
발행년도	1997.12
출처	NAL (National Aerospace Laboratory of Japan)
ABSTRACT	The Hypersonic Flight Experiment (HYFLEX) vehicle successfully performed a hypersonic lifting flight. The vehicle was developed to establish the basic technologies necessary for an unmanned shuttle vehicle. In this report, the primaryose of the comparison is to evaluate the validity of the prediction methods including the development of aerodynamic uncertainties in the vehicle design process. The flight results agreed well with the predictions. This shows that the prediction methods are generally valid for the design of a lifting reentry vehicle with a high angle of attack. On the other hand, some differences between the flight results and the predictions were found in axial force coefficient, elevon trim deflection, and RCS gas-jet interaction. The causes of these are also discussed in this report.