Research on Forced Cooling rate in High Pressure Vacuum Gas Quenching Furnace

Because of the distinct reducing of the swirl velocity and the instability of the forced vortex itself, the vortex at the volute discharge section breaks down easily, inducing the reverse flow at the center of volute discharge section.

在蜗壳出口直管段由于涡流速度明显减小和旋涡自身的不稳定，在小流量下容易发生破裂，导致蜗壳出口的截面中心区域通流速度均出现逆流，此逆流为压缩机失速特征的表现。

During the stall period, the flow structure in all volute cross sections consists of a single forced vortex at all times. The flow loss is rather great in the center of the forced vortex, which lead to the low total pressure.

在失速周期中，在所有的时刻下蜗壳流道的截面上，流动均形成了一个的旋涡，旋涡中心流动损失较大，总压较小。

The gas flow in cyclone is mostly tangential flow, which has a regular velocity field, and the radial flow is minimum. The flow field is mainly composed of forced vortex flow and little free vortex flow.

通过研究看出，卧式旋风筒内气流流动主要是切向流动，径向流动最小，并且切向速度有较好的分布规律，主要是以强制涡区为主，自由涡区很小；

The formation mechanism and properties of forced vortex in a hydrocyclone and its influence on the performance of the cyclone are studied systematically and thoroughly in this paper.

本文对水力旋流器中强制涡的形成，性质及作用等方面进行了较全面的深入探讨。

Four tangential velocity distributions considered are Rankine vortex, forced vortex, free vortex and constant angle vortex.

旋流器出口的四种切向速度分布为：Rankine涡、强迫涡、自由涡和常数角涡。

The velocity distribution in the spiral flow is close to that of addition of the normal pipe flow and the forced vortex.

螺旋流中的速度分布接近于正常管流与强制涡流的迭加；

There is an useless energy consumption in the forced vortex.

强制涡内存在无益的能量耗损；

An example of the first failure time analysis of a linear SDOF system excited by a quadratic forcing function shows the applicability of the method proposed and reveales the influence of the damping ratio of the system on its first failure.

二次力函数激励下线性SDOF系统的首次失效时间分析，说明了该方法的使用过程，并揭示了系统阻尼对首次失效的影响。

To investigate the forcing function effects on the fundamental 2 E gust unsteady aerodynamic response of a multistage turbomachine blade row, a series of fundamental experiments are performed in an axial flow research compressor.

为了研究扰动力函数对多级叶轮机叶片排中基本的高、低能阵发非定常气动响应的影响，在研究用轴流压气机上进行了一系列的基础研究。

This paper mainly consists of following parts: The approaches used to determine the analytical forcing function of target response are systematically studied in detail, which include empirical, analytical and computational methods.

因此本文主要内容包括以下几个方面系统地研究了确定靶体响应力函数的方法。靶体响应力函数的确定方法主要包括经验和半经验公式法、理论分析法和数值模拟法。

Make it official and place it in your documented performance evaluation goals as a forcing function to success.

使之正式化，并将其放到编制的性能评估目标中，作为实现成功的强制方法。

Response Analysis of an Electrical Contact System to an Arbitrary Forcing Function

触头系统在任意力函数作用下的响应分析

Phase shifter is added into the oscillator, forcing the working frequency of the sensors close to the center frequency, so the stability and the dynamic range of the oscillation circuit are improved.

在原有振荡电路中增加了移相环节，使传感器工作在中心频率下，提高了振荡电路的输出稳定度及动态响应范围。

Results indicate that the lateral forcing vibration frequency of train is close to the lateral natural vibration characteristics of the bridge when trains running at 70 and 75 km · h-1, and the resonance occurs.

研究结果表明：列车以70和75km。

In order to reduce the vibration, we first make a modal analysis of the handle of the walking tractor and find that the second modal frequency is coupled with the primary forcing frequency of the engine.

为了减小振动，首先对扶手架进行模态分析，发现了第二阶模态频率与发动机一阶惯性力频率耦合。

Based on a Jeffcott rotor model with nonlinear radial rub force, the approach to chaos is studied when the forcing frequency and nondimensional unbalanced mass are treated as control variables.

对具有质量偏心仅考虑径向碰摩力非线性的Jeffcott转子模型，研究了其通向混沌的路径。

By wet mode analysis, the dependence of the reflectivity of the shell on the forcing frequency were derived and computed.

通过湿模态分析方法，给出了微球壳的散射率与外激励频率之间的关系曲线。

Forcing shot, then blowing up girls' schools, threatening to kill anyone who stood in their way.

突施冷箭开枪射击，然后炸毁女子学校，威胁着要杀害挡住他们去路的任何人。

There were some significant differences in the physiological and biochemical characteristics and growth and development of rubber seedlings between that selected by hypertonic solution and water or germinated in sandy forcing bed.

高渗溶液人工胁迫选出的橡胶籽苗在生理生化特性及生长发育方面与清水浸泡和沙播对照有明显的差异。

France is on the verge of elimination from the tournament, their 2-0 defeat to Mexico on Friday forcing tension between management and players into the open.

法国队目前处于被淘汰的边缘，在上周五的比赛中，他们0-2负于墨西哥队，从而使得教练组和球员之间的紧张状态公开化。