典型文献
A finite-element-aided ultrasonic method for measuring central oil-film thickness in a roller-raceway tribo-pair
文献摘要：
Roller bearings support heavy loads by riding on an ultra-thin oil film(between the roller and raceway),the thickness of which is critical as it reflects the lubrication performance.Ultrasonic interfacial reflection,which facilitates the non-destructive measurement of oil-film thickness,has been widely studied.However,insufficient spatial resolution around the rolling line contact zone remains a barrier despite the use of miniature piezoelectric transducers.In this study,a finite-element-aided method is utilized to simulate wave propagation through a three-layered structure of roller-oil-raceway under elastohydrodynamic lubrication(EHL)with nonlinear characteristics of the i)deformed curvature of the cylindrical roller and ii)nonuniform distribution of the fluid bulk modulus along the circumference of the oil layer being considered.A load and speed-dependent look-up table is then developed to establish an accurate relationship between the overall reflection coefficient(directly measured by an embedded ultrasonic transducer)and objective variable of the central oil-film thickness.The proposed finite-element-aided method is verified experimentally in a roller-raceway test rig with the ultrasonically measured oil-film thickness corresponding to the values calculated using the EHL theory.
文献关键词：
中图分类号：
作者姓名：
Pan DOU;Tonghai WU;Zhaopeng LUO;Peiping YANG;Zhongxiao PENG;Min YU;Tom REDDYHOFF
作者机构：
Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System,Xi'an Jiaotong University,Xi'an 710049,China;Dongfang Electric Machinery Co.,Ltd.,Deyang 618000,China;School of Mechanical and Manufacturing Engineering,University of New South Wales,Sydney 2052,Australia;Department of Mechanical Engineering,Imperial College London,London SW7 2AZ,UK
文献出处：
引用格式：
[1]Pan DOU;Tonghai WU;Zhaopeng LUO;Peiping YANG;Zhongxiao PENG;Min YU;Tom REDDYHOFF-.A finite-element-aided ultrasonic method for measuring central oil-film thickness in a roller-raceway tribo-pair)[J].摩擦（英文）,2022(06):944-962
A类：
elastohydrodynamic
B类：
finite,element,aided,method,measuring,central,oil,film,thickness,roller,raceway,tribo,pair,Roller,bearings,support,heavy,loads,by,riding,thin,between,which,critical,reflects,lubrication,performance,Ultrasonic,interfacial,reflection,facilitates,destructive,measurement,has,been,widely,studied,However,insufficient,spatial,resolution,around,rolling,contact,zone,remains,barrier,despite,use,miniature,piezoelectric,transducers,In,this,study,utilized,simulate,wave,propagation,through,three,layered,structure,under,EHL,nonlinear,characteristics,deformed,curvature,cylindrical,ii,nonuniform,distribution,fluid,bulk,modulus,along,circumference,being,considered,speed,dependent,look,table,then,developed,establish,accurate,relationship,overall,coefficient,directly,measured,embedded,objective,variable,proposed,verified,experimentally,test,rig,ultrasonically,corresponding,values,calculated,using,theory
AB值：
0.596213
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