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Experimental hover performance evaluation on a small-scale rotor using a rotor test stand
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  • Experimental hover performance evaluation on a small-scale rotor using a rotor test stand
  • Experimental hover performance evaluation on a small-scale rotor using a rotor test stand
저자명
Lee. Byoung-Eon,Byun. Young-Seop,Kim. Jeong,Kang. Beom-Soo
간행물명
Journal of mechanical science and technology
권/호정보
2011년|25권 6호|pp.1449-1456 (8 pages)
발행정보
대한기계학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This paper presents the work being carried out in order to deduce hover performance of a small-scale single rotor blade as a preliminary study of a small coaxial rotor helicopter development. As an initial research, a test stand capable of measuring thrust and torque of a small-scale rotor blade in hover state was constructed and fabricated. The test stand consists of three parts; a rotating device, a load measuring sensor and a data acquisition system. Thrust and torque were measured with varying collective pitch angle at fixed RPM. Through this research, hover performance tests were conducted for a small-scale single rotor blade operating in low Reynolds numbers ($Re{approx}3{ imes}10^5$). The rotor blades investigated in this paper have maximum FM values varying from 0.59 to 0.65, which are low relative to modem full-scale helicopters. From these differences in FM between a small and a full-scale helicopter, the induced power factor is determined as varying from 1.35 to 1.42. Through this study, tests of hover performance were conducted for a single small-scale rotor blade, as well as verifying the test stand itself for the acquisition of hover performance.