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논문 기본 정보

자료유형
학술저널
저자정보
Jeong-In Go (Chungnam National University) Jae-Sang Park (Chungnam National University) Jong-Soo Choi (Chungnam National University)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.18 Number.1
발행연도
2017.3
수록면
154 - 164 (11page)
DOI
10.5139/IJASS.2017.18.1.154

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초록· 키워드

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This work conducts a validation study for the XH-59A helicopter using a rigid coaxial rotor system in order to establish the techniques of the conceptual design and performance analysis for the lift-offset compound rotorcraft. As a tool for conceptual design and performance analysis, NDARC (NASA Design and Analysis of Rotorcraft) is used for the present study. An assumed mission profile is considered for the conceptual design of the XH-59A. As a validation result of the design, the dimensions and weight of the XH-59A are appropriately designed when compared to the target values since the relative error is less than 0.5%. Then, performance analyses are conducted for the designed XH-59A model with and without auxiliary propulsion in hover and forward flight conditions. The present analyses show good validity since the prediction results compare well with both the flight test and previous analyses. Therefore, the techniques for the conceptual design and performance analysis of the lift-offset compound helicopter are overall considered to be appropriately established. In addition, this study investigates the influence of the lift-offset on the rotor effective lift-to-drag ratio of the XH-59A helicopter with auxiliary propulsion. As a result, the improvement of the rotor effective lift-to-drag ratio can be obtained by appropriately increasing the lift-offset in high-speed flight.

목차

Abstract
1. Introduction
2. XH-59A lift-offset compound helicopter
3. Conceptual design and performance analysis techniques of XH-59A helicopter
4. Results for sizing and performance analysis of XH-59A helicopter
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2017-558-002392227