典型文献
A 3D CFD simulation of oil spray-collection and delivery process in an aeroengine inter-shaft bearing
文献摘要：
Under-race lubrication applied to the inter-shaft bearing of aeroengine is characterized by spray oil collection and oil delivery to the bearing via flow-path structure.Droplet splashing induced by the collision between spray oil and the scoop as well as oil flowing characteristics in the flow-path influence bearing lubrication efficiency.In previous investigations,the spray oil col-lection and oil delivery analysis were separated,and the effect of droplet splashing on bearing lubri-cation efficiency was not considered.Moreover,time-varying characteristics of oil delivered to the bearing were not accounted for.This is caused by time variations of the circumferential position of rollers and under-race feed holes.To overcome these limitations,a numerical model which inte-grates the spray oil collection and oil delivery analysis is proposed in this paper.The model is embedded with the function of calculating the flow rate of splashing droplets and analyzing time-varying characteristics of the oil fed to the bearing.Furthermore,the numerical model is val-idated by experimental investigation.The proposed numerical model facilitates the accurate calcu-lation of bearing lubrication efficiency as well as the design of an efficient lubrication structure.
文献关键词：
中图分类号：
作者姓名：
Donglei ZHU;Guoding CHEN;Yanjun LI;Chaoyang ZHANG;Lin WANG
作者机构：
School of Mechanical Engineering,Northwestern Polytechnical University,Xi'an 710072,China;China Gas Turbine Establishment,Chengdu 610500,China
文献出处：
引用格式：
[1]Donglei ZHU;Guoding CHEN;Yanjun LI;Chaoyang ZHANG;Lin WANG-.A 3D CFD simulation of oil spray-collection and delivery process in an aeroengine inter-shaft bearing)[J].中国航空学报（英文版）,2022(09):366-378
A类：
scoop,lubri,grates,idated
B类：
CFD,simulation,oil,spray,collection,delivery,process,aeroengine,inter,shaft,bearing,Under,race,lubrication,applied,characterized,by,via,path,structure,Droplet,splashing,induced,collision,between,well,flowing,characteristics,influence,efficiency,In,previous,investigations,analysis,were,separated,effect,was,not,considered,Moreover,varying,delivered,accounted,This,caused,variations,circumferential,position,rollers,under,feed,holes,To,overcome,these,limitations,numerical,model,which,proposed,this,paper,embedded,function,calculating,droplets,analyzing,fed,Furthermore,val,experimental,facilitates,accurate,design,efficient
AB值：
0.409094
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