1) a two-control volume model
两控制体模型
1.
We present a theoretical calculation method of a two-control volume model of labyrinth seal chambers by calculating every chamber according to the basic fluid mechanics equations so as to obtain the pressure distributions of every chamber and the dynamic characteristic coefficiences that embody the gas vi- bration and the excitation force.
提出了迷宫密封腔两控制体模型的理论计算方法,从流体力学基本方程出发,经逐腔计算,获得各腔内的压力分布及反映气流对转子激振力的动力特性系数,实验结果与理论计算具有较好的一致性,为高参数的透平压缩机械转子稳定性评价提供了重要的理论依据。
2) Two-stage Control Model
两段控制模型
3) two bodies model
两体模型
1.
Numerical simulation of deformation and failure for two bodies model composed of rock and coal;
煤岩两体模型变形破坏数值模拟
4) two-control-volume model
双控制体模型
1.
Improvement and application of two-control-volume model on labyrinth seal
迷宫密封双控制体模型的改进及应用
2.
By using the method of two-control-volume model that is usually adopted in analysis the rotordynamic coefficients,fluid field was divided into two control volumes and the basic equation and experiential formula were solved with perturbation method.
对修正的双控制体模型的分析结果表明:必须考虑气封齿齿高对转子动特性的影响,引入齿高后的转子动特性系数更接近于Childs实验值;不同的气封齿位置,具有相类似的动特性变化趋势。
5) bi-body specimen
两体两介质模型
6) two-fluid model
两流体模型
1.
The effect of bubble diameter on entrainment concentration forecast result in two-fluid model;
两流体模型中气泡粒径对掺气浓度预测结果的影响
2.
Flooding existing in vertical reciprocating condenser is analyzed,the study on the flooding in reciprocating condenser under vertical condition is performed by using the two-fluid model,and a mathematical model for calculating the flooding rate is obtained.
分析了垂直往返式冷凝器存在的液阻现象,采用两流体模型对往返式冷凝器在垂直状态下的液阻进行研究,得出计算液阻速度的数学模型。
3.
A two-fluid model(TFM) for two-phase flow of refrigerant in adiabatic capillary tube was developed.
建立了制冷剂在绝热毛细管内流动的两流体模型,模型中考虑了气液两相间的速度滑移和温度滑移。
补充资料：比例控制模型
比例控制模型
【比例控制模型1根据历史数据求出经济增长与货币 供给之间的比例系数，确定货币的增长幅度，从而确定一定时期的货币供给量。 经济发展与货币增长量之间的比例系数是指社 会总产值每增加百分之一，需要货币供给量增加百分之几。设以△M代表货币供给增长率，△G代表社会总产值增长率;K代表经济增长与货币供给增长的比例系数。则货币供给增长率△M是经济增长率△G与经济增长和货币供给量增长的比例系数K的乘数。即: △M二K·△G
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条