Results 41 to 50 of about 2,265 (257)
Planetary cycloid roller gear reducer [PDF]
Vietnam Journal of Mechanics, 2002 In this paper we present some results of the shaping tooth profile and the method of the relationships between gear parameters and of the analysis for properties of the planetary cycloid roller gear reducer.
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Deep Underground Science and Engineering, EarlyView.An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang +5 more
wiley +1 more source
Analysis of Coupling Characteristic of the Planetary Multi-stage Gear Transmission System
Jixie chuandong, 2017 In order to study the coupling vibration mechanism of the planetary multi-stage gear transmission system,the dimensionless dynamics equations of the planetary multi-stage gear transmission system which contains a two-stage fixed-axis gear and a one-stage
Wang Xin, Li Yousheng
doaj
Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Amplitude modulations in planetary gears
Wind Energy, 2012 ABSTRACTA planetary gear set introduces complicated gear vibration frequency structures, especially in sequentially phased planetary gear sets. Frequency components from a fixed sensor can be enhanced and/or canceled with different planets and ring gear configurations.
Huageng Luo +7 more
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Ecography, EarlyView.Correlative species distribution models (SDMs) are quantitative tools in biogeography and macroecology. Building upon the ecological niche concept, they correlate environmental covariates to species presence to model habitat suitability and predict species distributions.
Moritz Klaassen +3 more
wiley +1 more source
Simulation of Contact Force of Fault Planetary Gear System based on Virtual Prototype Technology
Jixie chuandong, 2015 In order to obtain the changing pattern of contact force of fault planetary gear system,a dynamics model of fault planetary gear system is established and the computation method for contact force of gear meshing based on Hertz theory is also introduced ...
Xiang Ling, Chen Tao, Hu Silei
doaj
Analysis of the Fatigue Characteristic of 2K-H Wind Power Helical Planetary Gear Train
Jixie chuandong, 2020 In order to accurately estimate the fatigue life of the wind power planetary gear train under actual working conditions， the 1.5 MW 2K-H helical gear planetary gear train is taken as the research object.
Mingming Su, Mutellip Ahmat, Xingwei Tao
doaj
Ecography, EarlyView.The rapid adoption of environmental DNA (eDNA) methods has drastically changed biodiversity monitoring efforts. It is often claimed that eDNA methods are more sensitive and efficient than conventional biodiversity monitoring methods, but it is often unclear what metrics support this claim.
Nicholas J. Iacaruso +4 more
wiley +1 more source
Jixie chuandong, 2012 Planetary gear transmission has many advantages in gear transmission.It is difficult to calculate the transmission ratio of complex planetary gear train is obtained.An idea from the calculation formula of the simplest planetary gear train is got,a ...
冯仲, 陈甲虎, 张华平
doaj