In this paper,the formula of calculation of the axial profile of an involute helical gear(or an involute helicoid worm)is inferred.
本文推导出了渐开线斜齿圆柱齿轮 (渐开线圆柱蜗杆 )轴向齿廓的计算公式 ,并在此基础上提出了用车削阿基米德蜗杆的方法车削渐开线蜗杆的新方法。
Adjustment of axial displacement of rotary drum drier;
转筒干燥机轴向窜动的调整
Test System of Multi-Axial Load and Simulating Fatigue of Front Suspension of car;
轿车前悬架多轴向加载模拟疲劳试验系统
Simple Discussion on Short-Circuit Faults of 240MVA/330kV Transformer and its Axial Instability;
略论 240MVA/330kV 变压器短路事故及变压器轴向失稳
Analysis of axial vibration fault of large generator set and its countermeasures;
大型发电机组轴向振动故障的分析及对策
Study on mechanism of axial vibration of water-turbine generator units;
水力机组轴向振动机理分析研究
Analysis of characteristic of axial vibration in low-speed long-stroke marine engine;
长行程船用柴油机轴系轴向振动特性的分析
Influence of axial deformation and floor distortion on behaviors of hybrid structure;
轴向变形与楼板变形对混合结构受力性能的影响
The change of temperature after or before gas well put into production will result in the variation of tubing string stress and axial deformation.
气井投产前后温度和压力变化会引起油管应力及轴向变形的改变。
Incontrast,this paper,through the quantitative description and analysis of the displacement anddeformation distribution in the axial sections of rolled pieces by means of Moire Method on thepremise of the experimental conditions in agreement with those of on-line rolling, confirmsthat the axial deformation should not be neglected.
结果表明,轴向变形不可忽略。
Application on calculation of axial temperature drop along hot waxy oil pipeline;
含蜡原油热输管道轴向温降计算在大港石化公司的应用
We considered each influential factor of the axial temperature drop on a buried crude pipeline,the physical parameters of oil(density,specific heat capacity and viscosity),and general heat transmission factor that changes with temperature.
在充分考虑影响热油管道轴向温降的各个因素的基础上,并考虑油品物性(密度、比热容、黏度)和总传热系数随温度变化而变化,建立了热油管道停输时轴向温降的数学模型,模型还适用于有进分油点的管道,并用预测-校正法求解数学模型,最后进行了实例计算。
a calculation formula of axial temperature drop along hot waxy oil pipeline is deduced based on energy balance relation.
根据含蜡原油在三个不同温度区域的比热表达式,从能量平衡关系式出发,推导出了含蜡原油热输管道轴向温降的计算公式,并与苏霍夫温降公式进行了比较。