CAJ | 학술논문

计算了湿式摩擦离合器摩擦片的热流密度和对流换热系数,建立了考虑油槽结构的摩擦片三维瞬态热传导有限元模型.借助ANSYS软件,分析了不同油槽宽度摩擦片的瞬态温度场,给出了摩擦片最高温度随时间的变化曲线和径向温度分布规律.结果表明,摩擦片最高温度出现在结合时间段中间附近,随油槽宽度增加摩擦片最高温度略有降低;由于油槽的影响,摩擦片径向温度呈阶跃分布,结合完成后摩擦片表面出现椭圆形热斑.
계산료습식마찰리합기마찰편적열류밀도화대류환열계수,건립료고필유조결구적마찰편삼유순태열전도유한원모형.차조ANSYS연건,분석료불동유조관도마찰편적순태온도장,급출료마찰편최고온도수시간적변화곡선화경향온도분포규률.결과표명,마찰편최고온도출현재결합시간단중간부근,수유조관도증가마찰편최고온도략유강저;유우유조적영향,마찰편경향온도정계약분포,결합완성후마찰편표면출현타원형열반.
The heat flow density and convectional heat ex-change coefficient of friction disk in wet friction clutch were calcu-lated, and the finite element model of 3D transient heat conduction of friction disk was estabhshed with the consideration of oil groove structure. By the aid of ANSYS software, the transient temperature field of friction disk with different oil groove widths was analyzed, and the highest temperature variation curve of the friction disk that varies with time and distribution low of radial directional tempera-ture were presented. The result showed that the highest temperature of friction disk arises nearby the middle segment of engaging time,and the highest temperature of friction disk would be slightly low-ered along with the increment of oil groove width. On account of the effect of oil groove the radial directional temperature of friction disk presented a stepped distribution. Elliptical hot spots appeared on the surface of friction disk after the engagement was accomplished.