Vibration characteristics of 1/8-scale dynamic models of the space-shuttle solid-rocket boosters [PDF]
Vibration tests and analyses of six 1/8 scale models of the space shuttle solid rocket boosters are reported. Natural vibration frequencies and mode shapes were obtained for these aluminum shell models having internal solid fuel configurations ...
Barret, J. R. +4 more
core +1 more source
Sustainable Energy Technologies and AssessmentsAbstract As wind turbines become larger and move into deeper sea, their operating environment is getting more and more harsh, which puts higher stability requirements of the transmission chain. The mechanical-hydraulic hybrid transmission (MHHT) combines mechanical and hydraulic systems to improve transmission stability.
Fuquan Dai +6 more
openaire +1 more source
Analytical and experimental study of vibrations in a gear transmission [PDF]
An analytical simulation of the dynamics of a gear transmission system is presented and compared to experimental results from a gear noise test rig at the NASA Lewis Research Center. The analytical procedure developed couples the dynamic behaviors of the
Choy, F. K. +4 more
core +1 more source
Analysis of Torsional Vibration Inherent Characteristics of Gear Shaft
DEStech Transactions on Economics, Business and Management, 2018 Shen-bin NIE, Ming-xiang GONG
openaire +2 more sources
A review of gear housing dynamics and acoustics literature [PDF]
A review of the available literature on gear housing vibration and noise reduction is presented. Analytical and experimental methodologies used for bearing dynamics, housing vibration and noise, mounts and suspensions, and the overall geared and housing ...
Lim, Teik Chin, Singh, Rajendra
core +1 more source
Fluid-structure interaction on the combustion instability [PDF]
, 2012 The multi-domain problem, the limit cycle behaviour of unstable oscillations in the LIMOUSINE model combustor has been investigated by numerical and experimental studies.
Altunlu, A.C. +5 more
core +1 more source
Concepts and analysis for precision segmented reflector and feed support structures [PDF]
Several issues surrounding the design of a large (20-meter diameter) Precision Segmented Reflector are investigated. The concerns include development of a reflector support truss geometry that will permit deployment into the required doubly-curved shape ...
Hedgepeth, John M. +2 more
core +1 more source
Design of power-transmitting shifts [PDF]
Power transmission shafting which is a vital element of all rotating machinery is discussed. Design methods, based on strength considerations for sizing shafts and axles to withstand both steady and fluctuating loads are summarized.
Loewenthal, S. H.
core +1 more source
A numerical method for determining the natural vibration characteristics of rotating nonuniform cantilever blades [PDF]
A method is presented for determining the free vibration characteristics of a rotating blade having nonuniform spanwise properties and cantilever boundary conditions.
Malatino, R. E., White, W. F., Jr.
core +1 more source
A recurrence matrix method for the analysis of longitudinal and torsional vibrations in non-uniform multibranch beams with variable boundary conditions [PDF]
An approximate method for calculating the longitudinal and torsional natural frequencies and associated modal data of a beamlike, variable cross section multibranch structure is presented. The procedure described is the numerical integration of the first
Davis, R. B., Stephens, M. V.
core +1 more source