查询词典 viscous

The adaptive physical model on Coutte Flow based on a motional coordinate is presented,and a solution of a equation for velocity, temperature and rate of heat transfer of a viscous compressible fluid is obtained.

在基于动坐标系的库特剪切流的物理模型上，提出了两平板间可压缩粘性流体的温度，流速与热流速率间的关联式。

Shames' book provides an especially clear link between the basics of fluid flow and advanced courses such compressible flow or viscous fluid flow.

Shamesbook提供在易流动的流动的基础和这样的可压缩的流动或者黏性流体流出的先进的课程之间的特别清楚的连接。

Numerical simulations were carried out to study the effect of reversible work and viscous dissipation on the heat transfer characteristics of compressible fluid flow in microtubes.

利用数值方法讨论了压力功和粘性耗散对微细光滑管内可压缩流动换热特性的影响，得出以下结论：微细管内 Ec沿管长是变化的，仅依据入口处的 Ec对压力功及粘性耗散的作用进行取舍是不确切的；等热流及等壁温换热条件下的计算结果显示，在入口 Ma及长径比较大时，考虑压力功及粘性耗散时得出的 N u要小于常规尺度管的理论值，在等壁温情况下，甚至出现了热流方向发生变化的情况

And it isconcluded that electric heating oil production should be applied in low water bearing wells,the liquid supply ability of high condensation point and high waxy oil wells can be less than 40m 3/d,and the liquid supply ability of viscous crude oil wells should be more than that.

通过对各类井筒温度分布曲线的综合分析得出：在电加热工艺选井方面，对高凝、高含蜡油井，应选择液量在 4 0 m3/ d以下且含水较低的井；而对于稠油井应选择供液能力较好且含水较低的井。

E. the discrete scheme of FBEM and the inner damping method of continuity equation, the author made numerical analysis of viscous flow field in cascade and cascade experiment in the experimental wind tunnel of Section 204 of Harbin Institute of Technology. The calculated results are in agreement with the experimental ones.

为进一步验证本文提出的有限边界元素法离散格式和连续方程的内部阻尼法的可行性，作者对叶栅内的粘性流场进行了数值分析，并与在哈尔滨工业大学204教研室的实验风洞上进行的叶栅实验结果进行了比较。

However real-world issues reduce the efficiency of actual engines, due to limits of convective heat transfer, and viscous flow.

然而现实世界的问题，降低效率，实际的发动机，由于界限的对流换热和粘性流动。

Two conservation equations are derived from a Wigner-Fokker-Planck model, they contain a third-order quantum correction term and second-order viscous term...

然后 在弱的亚音速条件下利用截断技术建立解的先验估计，在此基础上根据Leray-Schauder 不动点定理得到四阶方程弱解的存在性。

Critical damping is defined as the least amount of viscous damping that causes a single degree-of-freedom system to return to its original position without oscillation after initial disturbance.

在第一次受力后，来自阻尼器的阻力使振动物流刚能不作周期性振动便能最快地回到平衡职位的情况，称为临界阻尼。

In annular flow, a lower critical flow velocity of shell system is got if steady viscous effects are considered.

二、对固支—简支端部边界条件下的同轴圆柱壳体系统的流致不稳定性进行了系统的参数研究。

Based on the Navier-Stokes equations in conservative form derived with respect to nonorthogonal curvilinear coordinates and nonorthogonal velocity components, the numerical method for solving 3D viscous flow has been discussed.

本文基于非正交曲线坐标与相应的非正交速度分量下导得的守恒型N—S方程，讨论了求解三维粘性流动的数值方法，计算中显式时间推进算法与Baldwin—Lomax湍流模型被采用，应用本工作发展的程序，作为算例计算了一个沿径向非等截面环形叶栅的三维粘性流场，得到了诸如三维压力分布，总压损失分布以及十分清晰的二次流动图景等丰富的流场信息。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。