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破裂算法
相关语句
  cavitation algorithm
     Shear thinning is characterized by the Power law fluid model. A mass conserving cavitation algorithm is used to solve the modified Reynolds equation.
     幂律流体模型用来表征剪切变薄的流变学特征,质量守恒的油膜破裂算法用于雷诺方程的求解。
短句来源
  相似匹配句对
     The algorithm is an extension of the two-valued cover-most algorithm proposed by M. C.
     该算法是M. C.
短句来源
     Fracture
     破裂
短句来源
     PCA and algorithms analysis
     主成分分析及算法
短句来源
     Spontaneous kidney rupture
     自发性肾破裂
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The comprehensive effects of non Newtonian shear thinning characteristics and two sided purely longitudinal,transverse and isotropic roughness on dynamically loaded finite journal bearings in mixed lubrication are numerically analyzed.Christensens stochastic model of hydrodynamic lubrication of rough surfaces and the asperity contact model developed by Greenwood and Tripp are used to treat the roughness problem.Running in effect on roughness height ...

The comprehensive effects of non Newtonian shear thinning characteristics and two sided purely longitudinal,transverse and isotropic roughness on dynamically loaded finite journal bearings in mixed lubrication are numerically analyzed.Christensens stochastic model of hydrodynamic lubrication of rough surfaces and the asperity contact model developed by Greenwood and Tripp are used to treat the roughness problem.Running in effect on roughness height distribution is considered.Shear thinning is characterized by the Power law fluid model.A mass conserving cavitation algorithm is used to solve the modified Reynolds equation.It is shown that roughness always decreases the minimum nominal film thickness and increases oscillations of the maximum nominal film pressure in the mixed lubrication regions,resulting in its maximum values bigger than those in the smooth cases.The minimum nominal film thickness is biggest in the longitudinal roughness and the smallest in the transverse case.For the same roughness texture,in the Newtonian fluid,the minimum nominal film thickness of the same roughness structure is bigger than that of the different roughness structure,and it is opposite in the shear thinning case.The bearing performances of crankshaft bearings in mixed lubrication are affected seriously by the roughness texture and structure,power law index,features of the nominal geometry,journal mass,and operation conditions.

分析了剪切变薄的非牛顿流变学特性和两表面都具有的纵向、横向和各向同性粗糙度对动载有限宽径向滑动轴承性能的综合影响。 Christensen 的粗糙表面流体动力润滑的随机模型和 Greenw ood Tripp 接触压力的计算模型用于处理粗糙问题,并考虑了磨合对粗糙高度分布的影响。幂律流体模型用来表征剪切变薄的流变学特征,质量守恒的油膜破裂算法用于雷诺方程的求解。计算结果表明,粗糙度总是减小最小名义油膜厚度,并使油膜压力在接触区剧烈振荡,其幅值大于光滑表面时周期内的最大名义油膜压力。名义最小油膜厚度在纵向粗糙时最大,横向粗糙时最小。粗糙纹理相同时,相同粗糙结构下的名义最小油膜厚度在牛顿流体时大于不同粗糙结构时的相应值,在非牛顿流体情况下,结论相反。混合润滑的轴承性能受粗糙纹理和结构、幂律指数、轴承几何结构、轴颈质量及运行工况的综合影响。

 
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