Results 81 to 90 of about 8,936 (199)

Hydrodynamic role of fish squamosal integument as an analog of the surfaces directly formed by the turbulent flow. Report 2: Hydrodynamic function of squamosal integument [PDF]

open access: yes
The stream flowing round the slowly swimming squama free fish can be laminized with the aid of the external slime coat alone. The slime of the fish with well developed squamae can laminize the stream together with the squamatic integument.
Barsukov, V. V., Kudryashov, A. F.
core   +1 more source

Note on the Cycloid [PDF]

open access: yesNature, 1871
I Do not know whether it has been noticed that the cycloid is a projection of the common helix (thread-inclined 45°). I suppose the property must have long since been recognised, but have not seen it mentioned.
openaire   +2 more sources

端面啮合摆线钢球行星传动啮合副力及强度分析

open access: yesJixie chuandong, 2003
The structure and transmission principle of the end face engagement cycloid steel ball planetary transmission are introduced in this paper. The complicated spatial mechanics model for multi-steel ball (multi-point contact of each ball) engagement pairs ...
安子军
doaj  

Modification Method of Cycloid Tooth Profile based on Pressure Angle

open access: yesJixie chuandong, 2020
Abrscat For the cycloid gear of RV reducer used in robot, on the basis of the isometric modification method, the modification quantity is changed in linear and polynomial ways, and the cycloid tooth profile equations after profile modification are ...
Lang Yue, Weidong He, Yinghui Zhang
doaj  

The cycloid psychoses

open access: yesComprehensive Psychiatry, 1964
Summary The historical development of the concept of “degeneration psychoses” is briefly outlined and a short account of the views of K. Leonhard is given. It is suggested that the atypical or cycloid psychoses of Leonhard form a heterogenous group of illnesses consisting of atypical manic-depressive psychoses, unusual psychogenic reactions ...
openaire   +1 more source

Cycloidal planetary transmission

open access: yes, 2014
The design and operation principle of the cycloidal planetary transmission (or gearbox) has been presented. The gearbox combines the planetary and parallel mechanisms. The planetary mechanism makes a system of planetary gears and rollers, which determines the proper work of the gearbox.
openaire   +2 more sources

“Brachistochrone”Effect of the Universal Cycloid Gear

open access: yesJixie chuandong, 2018
The brachistochrone is a cycloid and is also a tautochrone. The evolute of the cycloid is still a cycloid. The study of the universal cycloidal gear found that,the tooth profile of the universal cycloid rack is at the high velocity region of the ...
Li Yuanqing
doaj  

摆线齿锥齿轮加工调整计算及程序开发

open access: yesJixie chuandong, 2012
Based on spiral bevel gear meshing theory,the cutting principle of cycloid bevel gear and calculation of its adjusting machining parameter are elaborated.By using VB,the calculation on geometric parameter and calculated program modules of machining ...
许春香, 邬向伟
doaj  

Simulation Analysis of Meshing Characteristic for Cycloid Meshing Drive of RV Reducer

open access: yesJixie chuandong, 2017
The cycloid pin wheel drive is essential to RV reducer. It is the basic point to determine the contact stiffness of cycloid and pin wheel. The equivalent contact stiffness is calculated based on Hertz contact theory.
Han Ju, Wang Xiaohu, Liang Liming
doaj  

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