Current Research Activities in Drive System Technology in Support of the NASA Rotorcraft Program [PDF]
Drive system technology is a key area for improving rotorcraft performance, noise/vibration reduction, and reducing operational and manufacturing costs. An overview of current research areas that support the NASA Rotorcraft Program will be provided. Work
Handschuh, Robert F. +1 more
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Programmable gear-based mechanical metamaterials. [PDF]
Nat Mater, 2022 Fang X +5 more
europepmc +1 more source
Effect of lubricant jet location on spiral bevel gear operating temperatures [PDF]
An experimental study was conducted to determine the effect of lubricant jet location on spiral bevel gear bulk temperatures. Transient surface temperatures were also measured.
Handschuh, Robert F.
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Design, manufacture and spin test of high contact ratio helicopter transmission utilizing Self-Aligning Bearingless Planetary (SABP) [PDF]
A 450 hp high ratio Self-Aligning Bearingless Planetary (SABP) for a helicopter application was designed, manufactured, and spin tested under NASA contract NAS3-24539.
Folenta, Dezi, Lebo, William
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Computer aided design and analysis of gear tooth geometry [PDF]
A simulation method for gear hobbing and shaping of straight and spiral bevel gears is presented. The method is based upon an enveloping theory for gear tooth profile generation.
Chang, S. H., Huston, R. L.
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Analysis of the Impact of Changes in Thermomechanical Properties of Polymer Materials on the Machining Process of Gears. [PDF]
Polymers (Basel), 2020 Gnatowski A, Gołębski R, Sikora P.
europepmc +1 more source
Machining Simulation of Novikov Profile Gear Models for Analysis and Computational Calculations. [PDF]
Materials (Basel)Fudali P, Markowski T, Pacana J.
europepmc +1 more source
Advanced design optimization on straight bevel gears pair based on nature inspired algorithms
SN Applied Sciences, 2019 N. Ebenezer +2 more
semanticscholar +1 more source
Research on gear shaving error analysis based on knowledge graph. [PDF]
Sci RepMen L, Cai A.
europepmc +1 more source
Composites for Advanced Drive Systems, A Systems Analysis-Revolutionary Vertical Lift Technology (RVLT) [PDF]
Rotorcraft propulsion systems are continually looking to improve power density; that is reducing weight and increasing power throughput. In order to advance rotorcraft propulsion system technology, NASA Glenn Research Center (NGRC) contracted Boeing ...
Bouwer, Scott H. +5 more
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