引入弹性恢复系数法描述砂粒间碰撞问题。
The restitution coefficient was applied to describe the impact problem.
第二种方法采用数值积分求解出恢复系数；
The second method is by calculating the energy resetting modulus with numerical integrating.
系统的非线性来源于系统的非线性恢复系数。
The nonlinear of the system comes from the resume coefficient of the system.
研究表明，该类进气道在各种侧滑状态下总压恢复系数较高。
The results show that this type of inlet has high total pressure recovery coefficients at a wide range of yaw angle.
讨论碰撞过程中能量转化和能量损失，给出恢复系数的能量表达式。
The energy conversion and loss in collision are discussed, a formula of coefficient of restitution is obtained by energy.
突破了关于完全非弹性碰撞的一种思维定势，引入了两种赝恢复系数。
A thinking orientation on the completely inelastic collision is broken out. Two kinds of the coefficient of pseudo-restitution are drawn.
论述了恢复系数的含义及作用，并在此基础上介绍了几种碰撞过程模型。
The meaning and function of restitution coefficient were introduced, and some kinds of impact process models were analyzed.
扩张角的增加可提高速度环量，但是流动混合损失增加，总压恢复系数减小。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
以总压恢复系数最大为目标，采用等激波强度和等激波角设计方法建立进气道模型；
The inlet design calculating model was set up based on the theory of equal shock wave intensity and angle of supersonic airflow to get maximum total pressure coefficient.
对不同布局的总压恢复系数进行比较，颌下及两侧进气则较头部进气有好的攻角特性。
By comparison of inlet total pressure recovery coefficient, attack-angle performance of chin inlet and two-dimensional inlet are superior to frontal inlet.
试验表明其出口平均总压恢复系数较低，周向总压畸变指数较大，旋流较强且很不规则。
Test results show lower exit average total pressure recovery, larger circumferential total pressure distortion and stronger and more irregular secondary flow.
通过对斜碰撞过程中原煤(混矸)球的运动分析，推导出基于碰撞恢复系数的物料块反弹距离公式。
A formula of rebound distance based on coefficient of restitution was deduced through kinematic analysis of raw coal (mixed gangue) in the process of oblique-impact.
整流罩位置为25%的三维侧压进气道可以获得较高质量捕获和总压恢复系数，且隔离段出口流场比较均匀。
And three-dimensional sidewall compression inlet with 25 percent cowl position has high mass capture and total pressure recovery coefficient and isolator exit flow flied is homogeneous.
介绍了热电偶传感器材料的选择和结构的设计以及传感器的例行实验情况，特别是恢复系数和时间常数实验。
The material selection and structural design of the thermocouple sensor and the routine test conditions, especially the recovery factor and time constant experiment are introduced.
采取扩张型非平行壁无叶扩压器，在一定的进口速度下，可望有较高的压力恢复系数，且可以缩短径向尺寸。
In a certain inlet velocities, vaneless diffusers with diffusion type have higher pressure recover coefficient and can reduce the radial size.
同时比较了大小叶片设计方案与全为大叶片方案的性能，发现采用大小叶片可提高静压恢复系数，降低空气动力损失。
And the results showed that the performance of the diffuser with splitter blade was improved. The pressure recovery coefficient was (increased) and the aerodynamic loss coefficient was decreased.
侧板后掠角大小和整流罩位置变化时，对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。
Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.
改型进气道减小了输出轴背风侧的分离和迎风侧的转弯损失，使其既保持了高总压恢复系数，且畸变指数最大降低了74%。
By modifying, the separation zone behind the shaft and turn loss at upwind side are all reduced. Modifying inlet maintains high pressure recovery, and the distortion index is reduced by 74% at most.
数值结果表明，施加自适应无源被动控制后，分离区长度减小为无控制时的45%，控制区域的总压恢复系数和流场均匀性提高。
The numerical results show that with the adaptive passive control, the separation bubble length was reduced to 45% of its original length, and the low total pressure recovery coefficient was improved.
采用二次分析方法，求取了孔渗性指数、油气损失恢复系数、油性指数，并据此确定出了油性判别、含油储层性质判别、含油级别划分的标准。
Quadratic analysis method is used to acquire Ic, K and Oc, which are to be used as the criteria for determination of oilbearing property, oilbearing reservoir quality and oilbearing grades.
通过大量冷态试验，在大范围变化工况、变化喉部面积及变化背压条件下，利用水对低温流量控制系统进行研究，得到了流量系数、压力恢复系数的变化规律。
And water is used in cold test. Through changing operating conditions, throat area and back pressure, the change rule of discharge coefficient and pressure recovery factor were found.
通过大量冷态试验，在大范围变化工况、变化喉部面积及变化背压条件下，利用水对低温流量控制系统进行研究，得到了流量系数、压力恢复系数的变化规律。
And water is used in cold test. Through changing operating conditions, throat area and back pressure, the change rule of discharge coefficient and pressure recovery factor were found.
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