A Study on the Vibration Characteristics of Nonuniform Cross Section Propeller Blade

비균일 단면 외팔보형 프로펠러 날개의 진동특성에 관한 연구

  • Chung, In-sung ;
  • Chae, Hee-chang ;
  • Park, Tae-won ;
  • Kim, Kyoung-moLee, Kee-hyungLee, Hwan-sung
  • 정인성 (전북대학교 기계공학과) ;
  • 채희창 (전북대학교 기계설계공학과) ;
  • 박태원 (전주공업전문대학 금형설계과) ;
  • 김경모이기형이환성 (전북산업대학교 기계공학과전북대학교 기계공학과 대학원전북대학교 기계공학과 대학원)
  • Published : 1994.02.01

Abstract

The method is presented for determining the free vibration characteristics of a rotating blade having nonuniform spanwise properties and cantilever boundary condition. The equations which govern the coupled flapwise, chordwise and torsional motion of such a blade are solved using an integrating matrix method. By expressing the equation of motion in matrix notation, utilizing the integrating matrix as an operator, and applying the boundary condition, the equations are formulated into an eigenvalue problem whose solution may be determined by conventional method. Computed results are compared with experimental data.

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