Results 171 to 180 of about 62,246 (314)

An analytical method for designing low noise helicopter transmissions [PDF]

open access: yes
The development and experimental validation of a method for analytically modeling the noise mechanism in the helicopter geared power transmission systems is described. This method can be used within the design process to predict interior noise levels and
Bossler, R. B., Jr.   +2 more
core   +1 more source

Vibration in Planetary Gear Systems with Unequal Planet Stiffnesses [PDF]

open access: yes
An algorithm suitable for a minicomputer was developed for finding the natural frequencies and mode shapes of a planetary gear system which has unequal stiffnesses between the Sun/planet and planet/ring gear meshes.
August, R., Frater, J. L., Oswald, F. B.
core   +1 more source

Gearing [PDF]

open access: yes
Gearing technology in its modern form has a history of only 100 years. However, the earliest form of gearing can probably be traced back to fourth century B.C. Greece. Current gear practice and recent advances in the technology are drawn together.
Coy, J. J.   +2 more
core   +1 more source

Wind Turbine Planetary Gear Defect Detection with Mathematical Modelling through Transmission Error

open access: diamond, 2019
B. Umamaheswari   +44 more
openalex   +1 more source

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