A problem similar to the famous brachistochrone problem is examined in which, instead of a smooth curve, the path consists of two straight-line sections, one slant and one horizontal. The condition for minimum sliding...
Project(E2019209153)supported by the Natural Science Foundation of Hebei Province,China。
In order to analyze the lubricating characteristics at different meshing points in the cycloid pin wheel transmission process,the cycloid gear teeth were discretized,combined with the kinematic analysis of the cycloid...
supported by the 2020 Ningbo"3315 Talent Introduction Plan"Innovative Team (C-Class);Henan Province's Major Key Technology Demand Unveiling and Tackling Key Projects (Grant No. 191110111000)。
Gas pore is a common defect in brazed joint. It lowers the brazing rate and affects the properties of joint. Experimental results show that the application of unequal-gap brazing seam effectively decreases the amount ...
supported by the Zhejiang Provincial Natural Science Foundation of China(No.LY19E050003);the National Natural Science Foundation of China(No.51779226).
In order to improve the performances of a cycloid gerotor pump,the variations of the radial force induced by different rotating speeds and outlet pressures are analyzed numerically.Using the numerical simulations as a...
Project supported by the National Natural Science Foundation of China(Grant Nos.61975110,11674213,61735010,and 11604202);the 111 Project,China(Grant No.D18014);the International Joint Lab Program supported by Science and Technology Commission Shanghai Municipality,China(Grant No.17590750300);the Key Project supported by Science and Technology Commission Shanghai Municipality,China(Grant No.YDZX20193100004960);Science and Technology Commission of Shanghai Municipality,China(Shanghai Rising-Star Program 18QA1401700);Shanghai Educational Development Foundation,China(Chen Guang Project 16CG45).
THz time-domain spectroscopy(THz-TDS)is used to study the THz-optical properties of a single crystal bismuth ferrite BiFeO3(BFO).It can be found that the anisotropy of BiFeO3 is strongly dependent on the temperature.A...
supported by the National Natural Science Foundation of China (Nos.51205335, 51375411);the Scientific Research for the High Level Talent of Nanjing Institute of Technology (No.YKJ201702)
An active design method of tooth profiles for cycloid gears based on their meshing efficiency is proposed.This method takes the meshing efficiency as one of the design variables to determine the tooth profiles.The cal...
Project(51575062)supported by the National Natural Science Foundation of China;Project(51605049)supported by the National Natural Science Foundation for Young Scholar of China;Project(BA2015177)supported by the Science and Technology Achievements Transformation Program of Jiangsu Province of China
Cycloid speed reducers are widely used in many industrial areas due to the advantages of compact size, high reduction ratio and high stiffness. However, currently, there are not many analytical models for the mesh sti...
Funded by the National Natural Science Foundation of China(Grant No.51405003)
The transmission performance of cycloid ball planetary transmission(CBPT) is affected by cycloid tooth undercutting directly, and the design of CBPT can be optimized by the non-undercutting condition. Firstly, the the...
Objective:To investigate the scales of barfin plaice(Liopsetta pinnifasciata),which depends on the size and sex of the fish.Methods:The samples were collected in Peter the Great Bay(Sea of Japan)during 2011–2014 aboa...