...Fuchun Jia; Xianghuan Liu; Yao Fu Purpose The purposes of this paper are optimization of high speed reducer in electric vehicles based on the analysis of lubrication and verification of simulation accuracy and optimization results. Design/methodology/approach The traditional CFD method...

...Guan Wen; Youhua Ge; Dai Zhendong; Zheng Gao Purpose – The purpose of this paper is to investigate that if the lubrication system of a helicopter reducer is compromised, its gears and bearings will be at non-lubricating oil work state, which causes the reducer to be damaged in a very short time...