pressure-temperature coefficient

Then, using propeller lifting line theory to calculate the geometric theory parameters and the hydrodynamic parameters, calculated pressure distribution, thrust coefficient and torque system number with the lifting surface theory, using the panel method to calculate propeller thrust coefficient and torque coefficient.

然后，用升力线理论计算了螺旋桨的几何参数和水动力参数，并用用升力面理论计算了压力分布、推力系数和扭矩系数，用面元法计算了螺旋桨的推力系数和扭矩系数。

Using the definition of hydraulic coefficient and existent measurements of pressure or flow in pipes of liquid rocket engine, the pressure and the change amount of hydraulic coefficient will be determined according to appropriate calculation of a certain separate pipe.

利用水力系数（C（ADE））的性质和现有液体火箭发动机管路系统中压力或流量的测量值，进行适当分段组合，计算出相应的压力和水力系统改变量。

The influences of casing length, casing thickness, frictional coefficient and interference value on contact pressure, frictional shear traction are analyzed.

通过分布加载和改变相关参数的方法，分析套管长度、套管厚度、摩擦因数以及过盈量对接触压力、摩擦剪切力等影响规律。

The effect of operation pressure on the specific impulse of tactical missile solid motors is analyzed from several factors, such as characteristic velocity, thrust coefficient, impulse coefficients of the chamber and nozzle.

从固体发动机的特征速度、推力系数、燃烧室冲量系数和喷管冲量系数等因素出发，分析了发动机工作压强对战术固体火箭发动机比冲的影响。

The determination of throttle coefficient of high-pressure natural gas in adiabatic throttle process is discussed, and the average throttle coefficient can be calculated by the enthalpy-pressure chart and equal enthalpy equation.

讨论了高压天然气绝热节流过程中节流系数的确定。任意状态下的节流系数可利用计算式确定，平均节流系数可利用天然气的焓-压图和等焓计算式确定。

With the material elasticity increases, the local pressure will fill-out, the bearing rigidity will strengthen, water film thickness and the friction coefficient will reduce.

材料弹性模量的加大，轴承刚性增强，会使轴承局部压力变大，水膜厚度减小，摩擦系数降低。

Within the rational running scope of the fan, the reverse air quantity reaches the minimum value at the maximum installation angle and highest pressure point. The coefficient of reverse air quantity at the point can be used as in index to measure the performance of reversing air.

在风机的合理工作区内，最大安装角下最高压力工况点的反风量为最小值，该点的反风量系数可以作为风机的反风量指标以衡量其反风性能。

And a low loading coefficient is more favorite for high-pressure rotor in the counter-rotating elementary stage designing process.

对转涡轮高压级基元设计应尽量选择较大载荷系数等观点和建议。

Researching on External Pressure Test Pressure Coefficient of External Pressure Vessels

薄壁外压容器外压试验压力系数研究

Selecting well for profile control in injection well in common field use is PI decision which value includes the influence of injecting pressure, well bore storage coefficient, skin coefficient that can t instruct the job of selecting well for profile control properly.

现场常用的注水井调剖选井方法是PI决策，但PI值包含了注水压力、井筒储容系数、表皮系数的影响，不能准确地指导调剖选井。