Results 141 to 150 of about 3,435,507 (205)
Arthropod-borne disease challenges from planetary warming, urbanization, and migration. [PDF]
Virol JBartlett ML +3 more
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Advanced mathematical modeling and simulation of high altitude balloons for precision stratospheric data collection. [PDF]
Sci RepSlimene MB, Khlifi MA, Tlili I.
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Planetary gearbox spectral modeling based on the hybrid method of dynamics and LSTM
Mechanical Systems and Signal Processing, 2020It is the prerequisite for mechanical diagnosis to clarify the mapping relations between vibrations and damage conditions based on the dynamic model analyses and the systematic experiments.
Ruo-bin Sun +5 more
semanticscholar +3 more sources
The Dynamics of Planetary Rings
Annual Review of Astronomy and Astrophysics, 1982The discovery of ring systems around Uranus and Jupiter, and the Pioneer and Voyager spacecraft observations of Saturn, have shown that planetary rings are both more common and more complex than previously suspected. These ring systems, interesting in their own right, also serve as prototypes for more massive disk systems such as accretion disks ...
Goldreich, Peter, Tremaine, Scott
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Dynamics of a planetary needle roller bearing considering the waviness
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, 2022A dynamic model of a planetary needle roller bearing (PNRB) considering the waviness is proposed. This model can formulate the PNRB dynamic motions under high centrifugal acceleration conditions, which are more complicated than those of shaft-fixed ...
Zhifeng Shi, Jing Liu, Guijian Xiao
semanticscholar +1 more source
A coupling dynamics analysis method for a multistage planetary gear system
Mechanism and Machine Theory, 2017Jing-hua Wei +6 more
semanticscholar +3 more sources
Renewable Energy, 2019
In wind turbine planetary gearboxes, the sun gears are generally designed to float in the radial direction to achieve the uniform load distribution among different planet gears, but will lead to gear mesh errors and cause complicated vibration signals on
Guolin He +3 more
semanticscholar +1 more source
In wind turbine planetary gearboxes, the sun gears are generally designed to float in the radial direction to achieve the uniform load distribution among different planet gears, but will lead to gear mesh errors and cause complicated vibration signals on
Guolin He +3 more
semanticscholar +1 more source
Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences, 1994
The dynamics of planetary rings are reviewed in the light of data derived from the recent spacecraft missions to the outer planets. It is shown that although the ring systems of Jupiter, Saturn, Uranus and Neptune display a great diversity of phenomena and dynamical structures, they have many features and problems in common.
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The dynamics of planetary rings are reviewed in the light of data derived from the recent spacecraft missions to the outer planets. It is shown that although the ring systems of Jupiter, Saturn, Uranus and Neptune display a great diversity of phenomena and dynamical structures, they have many features and problems in common.
openaire +1 more source