한국소음진동공학회논문집 (Transactions of the Korean Society for Noise and Vibration Engineering)

  • 제16권8호
  • /
  • Pages.857-863
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  • 2006
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  • 1598-2785(pISSN)
  • /
  • 2287-5476(eISSN)
한국소음진동공학회 (The Korean Society for Noise and Vibration Engineering)
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균등 및 비균등 배열 헬리콥터 반토오크 시스템 성능 및 소음특성

Sound Characteristics and Performance of Even and Uneven Blade Spacing Helicopter Anti-Torque System

  • 송근웅 (한국항공우주연구원 로터그룹) ;
  • 정기훈 (한국항공우주연구원 로터그룹) ;
  • 강희정 (한국항공우주연구원 로터그룹) ;
  • 김승범 (한국항공우주연구원 로터그룹) ;
  • 이제동 (과학기술연합대학원대학교 항공기시스템)
  • 발행 : 2006.08.01
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초록

This paper described the performance test and sound characteristics of helicopter 'Tail-Fan' anti-torque system. In this research, Korea Aerospace Research Institute(KARI) developed 'Tail-Fan' anti-torque system for a helicopter and carried out performance and sound capturing tests of even and uneven tail fans. The performance test is carried out and the noise signals which are generated during the test are saved with microphones at the same time. The performance test's results meet the design requirements. Tone-corrected perceived noise level is reduced by replacing the even product with the uneven one.

키워드

참고문헌

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