Transmission error in spur gears: Static and dynamic finite-element modeling and design optimization [PDF]
, 2010 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 07/10/2010.The gear noise problem that widely occurs in power transmission systems is typically characterised by one or more high amplitude acoustic ...
Tharmakulasingam, Raul
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Static, Dynamic, and High Cycle Fatigue Analysis of Crossed Spherical Gearing for Robotic Arm Ball Joint: A Finite Element Analysis Approach [PDF]
Crossed spherical gearing is used in the joints of robotic arm prostheses and allows mobility in 3 degrees of freedom. This paper aims to evaluate the design of a cross-spherical gear with three different materials, PEEK, AISI 304L, and Ti-6Al-4V, for a ...
Algoner, William C. +6 more
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Parametric Instability Investigation and Stability Based Design for Transmission Systems Containing Face-gear Drives [PDF]
, 2012 The objective of this dissertation is to provide a novel design methodology for face-gear transmissions based on system stability - a dynamics viewpoint.
Peng, Meng
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Thermal behavior spiral bevel gears [PDF]
An experimental and analytical study of the thermal behavior of spiral bevel gears is presented. Experimental data were taken using thermocoupled test hardware and an infrared microscope.
Handschuh, Robert F.
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NASA patent abstracts bibliography: A continuing bibliography. Section 1: Abstracts (supplement 19) [PDF]
s are cited for 130 patents and patent applications introduced into the NASA scientific and technical information system during the period of January 1981 through July 1981.
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Nonlinear dynamic characteristics of modified variable hyperbolic circular arc tooth trace cylindrical gears. [PDF]
Sci RepMa D, Ye Z.
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Energy efficient engine: Preliminary design and integration studies [PDF]
Parametric design and mission evaluations of advanced turbofan configurations were conducted for future transport aircraft application. Economics, environmental suitability and fuel efficiency were investigated and compared with goals set by NASA. Of the
Hirschkron, R. +4 more
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Liquid rocket engine axial-flow turbopumps [PDF]
The axial pump is considered in terms of the total turbopump assembly. Stage hydrodynamic design, pump rotor assembly, pump materials for liquid hydrogen applications, and safety factors as utilized in state of the art pumps are among the topics ...
Farquhar, J. +4 more
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Sikorsky Aircraft Advanced Rotorcraft Transmission (ART) program [PDF]
The objectives of the Advanced Rotorcraft Transmission program were to achieve a 25 percent weight reduction, a 10 dB noise reduction, and a 5,000 hour mean time between removals (MTBR).
Kish, Jules G.
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