Results 121 to 130 of about 3,492 (237)
Analysis of high load dampers [PDF]
High load damping requirements for modern jet engines are discussed. The design of damping systems which could satisfy these requirements is also discusseed. In order to evaluate high load damping requirements, engines in three major classes were studied;
Bhat, S. T., Buono, D. F., Hibner, D. H.
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Recent Advances in the Application of Piezoelectric Materials in Microrobotic Systems. [PDF]
Micromachines (Basel), 2022 Fath A, Xia T, Li W.
europepmc +1 more source
Lateral dampers for thrust bearings [PDF]
The development of lateral damping schemes for thrust bearings was examined, ranking their applicability to various engine classes, selecting the best concept for each engine class and performing an in-depth evaluation.
Hibner, D. H., Szafir, D. R.
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Computational engine structural analysis [PDF]
A significant research activity at the NASA Lewis Research Center is the computational simulation of complex multidisciplinary engine structural problems.
Chamis, C. C., Johns, R. H.
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Cavitation effects on the pressure distribution of a squeeze film damper bearing [PDF]
High speed motion pictures have revealed several operating regimes in a squeeze film damper. Pressure measurements corresponding to these distinct regimes were made to examine their effect on the performance of such dampers.
Vance, John M., Zeidan, Fouad Y.
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Damping capacity of a sealed squeeze film bearing [PDF]
The advantages of incorporating an open-ended or weakly-sealed squeeze-film bearing in a flexible support structure simulating an aero-engine assembly were examined.
Dede, M. M., Dogan, M., Holmes, R.
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Highly Sensitive Capacitive MEMS for Photoacoustic Gas Trace Detection. [PDF]
Sensors (Basel), 2023 Seoudi T +7 more
europepmc +1 more source
Study of providing omnidirectional vibration isolation to entire space shuttle payload packages [PDF]
Techniques to provide omnidirectional vibration isolation for a space shuttle payload package were investigated via a reduced-scale model. Development, design, fabrication, assembly and test evaluation of a 0.125-scale isolation model are described ...
Chang, C. S. +2 more
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On the numerical solution of the dynamically loaded hydrodynamic lubrication of the point contact problem [PDF]
The transient analysis of hydrodynamic lubrication of a point-contact is presented. A body-fitted coordinate system is introduced to transform the physical domain to a rectangular computational domain, enabling the use of the Newton-Raphson method for ...
Brewe, David E. +2 more
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Study on Vibration Suppression of Bevel Gear with Integral Squeeze Film Damper
Jixie chuandong, 2019 Aiming at the problem of vibration reduction and noise reduction of bevel gear transmission system，a method for solving the vibration of bevel gear by using an integral squeeze film damper（ISFD） is proposed. An experiment bench of bevel gear transmission
Liang Ma +4 more
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