研究较全面分析了气体压缩性、液体粘性、表面张力效应、液气密度比以及滑移速度等重要因素对气体剪切流稳定性的影响。
The effects of parameters such as the gas compressibility, the liquid viscosity, surface tension, density ratio , and velocity ratio, have been considered.
本文论述了滑移线场中理论速度分量等值线的概念及作法。
It is explained in this paper what the velocity component contours in slip-line-field are and how to draw them.
将理论与实验的等值线图作比较,可从速度场方面检验滑移线场解。
Bycomparing theoretical contour patterns with experimental ones, the slip-line-field solution can be examined.
通过数值计算得到了平移断层上滑移位移、速度及摩擦力的分布规律。
The distribution of slip displacement, slip velocity and friction force on the strike slip fault were obtained by numerical simulation.
在非晶薄箔的多层爆炸焊接中,箔的表面在一定的滑移爆轰速度下会出现规则的波纹形状。
In multilayer explosive welding of amorphous foils, the regular ripple shape geometry may appear on the surface of foils under certain grancing detonation velocity.
提出了一种考虑轴向热传导、速度滑移、温度跳跃和入口效应情况下圆形微通道能量方程的求解方法。
A method for resolving the energy equation of the circular microchannel, which considers axial heat conduction, temperature jump, velocity slip and thermal entrance is presented.
文中在物面无滑移边界条件的基础上施加物面绕体轴的切向速度,通过求解定常ns方程对飞行器滚转进行模拟。
In the paper, the steady NS equation was solved to simulate aircraft roll by adding tangent velocity to no slip wall boundary condition.
结果显示:气液两相间的速度滑移和温度滑移在整个两相区一直存在,但在绝大部分区域内,这种非平衡性并不显著;
The results show that both the inter-phase velocity slip and temperature slip always exist in the whole two-phase region, but are not obvious.
数值分析结果给出了速度滑移边界条件对管道质量流量的影响。
The numerical results comprehensively describe the influence of the slip boundary condition on mass flow rate.
最后选择以车轮减速度、加速度及滑移率为控制参数的逻辑门限预测控制方法作为本论文设计abs控制器的控制方法。
Finally choose reduce wheel speed, acceleration and slip ratio control parameters of logic threshold for control methods, as the paper design of the ABS controller control methods.
工作辊磨损后,粗糙度递减导致在较高轧制速度下进料(咬入带卷)时产生滑移。
When work rolls become worn the roughness is diminishing creating slippage in the roll bite at higher speeds.
对真空冷阱中处于滑流区的气体换热,应考虑温度跳跃和速度滑移对换热的影响。
The effects of the temperature jump and the velocity slip on the heat transfer for the slip-flow regime in the cold trap of the freeze dryer are considered.
在硬件电路设计上,防滑控制器采用TMS320F 2812和外围电路构成速度捕获电路,完成滑移率偏差的控制并输出刹车压力信号。
In hardware designing, TMS320F2812 and its peripheral circuit make up the velocity capturing circuit. Anti-skid controller controls slip ratio error and exports braking pressure signal.
在等壁温边界条件下对矩形微细通道速度滑移区的对流换热进行了二维数值模拟。
Two dimensional numerical simulation is presented for flow and heat transfer in rectangular microchannel with uniform wall temperature in slip regime.
在孔口影响域内,水沙两相不仅在垂向上有速度滑移,而且在水平方向上也有相对运动。
The slip velocities occur both in the vertical and horizontal directions in the influenced zone by the bottom outlet.
针对典型形状微通道(微缝隙)在滑移边界条件下,利用粘性流体运动方程和动量方程,推导出速度场和流动阻力。
Aimed at typical shape micro-channel (fissure) under slip confine condition, it used dauby fluid motion equation and momentum equation, derived pace bout and running resistance.
指数滑移导引律的基本思想是在逼近过程中,保证追踪星的当前位置和终端位置之间的矢量方向不变,而逼近速度逐渐减小;
The spirit of the exponential slippage guidance method is keeping the direction from temporary position to the aiming point while decreasing the approach speed.
对于一维碰撞,根据碰撞后车辆的滑移距离和车辆的塑性变形量,反推计算出车辆碰撞后的速度和碰撞前的接触速度;
For collinear collision, the preceding collision velocity and post collision velocity are calculated on the basis of the slippage distance and unreturnable distortion of collision vehicle;
基于轮胎的魔术公式模型,研究了轮胎在路面的最佳滑移率和最大摩擦系数随汽车速度的动态变化过程。
Based on the tire magic formula model, the dynamic variation process of the tire optimal slip ratio and the maximum friction coefficient on the road with the vehicle velocity is researched.
粘附滑移流动是一种密集颗粒的急跳式的运动,在壁面处,颗粒的速度稍低于呈杆状的中心的速度。
Stick-slip flow is a jerky movement of compacted grains with velocity of particles at the walls slightly lower than in the rod like core.
当液体沿固体表面的流速超过临界速度时,出现滑移,这样能实现减阻;
When the flow rate of the liquid slipping along the solid surface exceeds that of a critical speed, slipping will occur and drag reduction will be realized consequently;
当液体沿固体表面的流速超过临界速度时,出现滑移,这样能实现减阻;
When the flow rate of the liquid slipping along the solid surface exceeds that of a critical speed, slipping will occur and drag reduction will be realized consequently;
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