总压

The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc.

研究表明，集气腔总压对推力器工作过程具有多方面的影响，在保证电弧稳定的情况下，适当提高集气腔总压可同时提高比冲和推进效率。

Dynamic pressure averaging pipe was generally applied to blowing rate measurement in rectangular pipe of power plant, the average velocity of flow in the section was represented by the average dynamic pressure at the line through the geometric center of the cross section, and then the blowing rate was determined.

针对这一问题，本文设计了基于"对数契比雪夫法"的送风流量测量装置，将5支动压平均管置于同一截面，按"对数契比雪夫法"选点位置开孔，把这5支动压平均管的静压输出孔、总压输出孔分别连接到一起作为传感器组件的差压输出，实验表明这种方法使测量准确度明显提高。

On the basis of these results, the relations of total-pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established.

根据流场计算结果并利用超曲面拟合方法建立了进气道总压恢复系数、流量系数与飞行马赫数、进气道攻角及二级可调斜板角度之间的关系，由此得到了二元混压式超声速进气道数学模型。

The total and of the pitot tube were measured when the opening of the regulating valve was changed with keeping the flowrate fixed as well as unchanged the opening of the regulating valve with invariable flowrate. Then, the dynamic pressure signals were analysed with the method of PSD after computed and normalized and a better result of frequency-domain distribution was obtained. In addition, the average energy was defined and used for the analyzing of disturbance signals of regulation valve.

首先利用皮托管对相同流量不同开度及相同开度不同流量下的总压及静压信号进行测量，然后经过计算得到动压信号并进行归一化处理；其次，对归一化处理后的动压信号进行功率谱分析，取得了较好的频域分布结果；同时定义了信号的平均能量，并将其应用到了调节阀扰动信号的分析中。

In order to study the processing mechanism of BCF, the distribution of total pressure and statical pressure inside and outside the texturing tube are discussed with the help of the pressure probe, and the result of the experiments is analyzed.

为了探求BCF变形加工机理，利用测压探针测试了导丝管内部及出口端外的总压和静压分布规律，实验结果表明导丝管内为气流分布不均匀、速度梯度大、不对称的紊流流场。

With this method a model of the large offset, highly compact intake is made and tested meticulously at low and high speeds. In the paper the distribution of the total pressure at the exit section and the static pressure along the wall of the intake is given at low speed, and the performance of the intake has measured at different Mach numbers, incidences and yaws.

并借鉴S形进气道的设计方法完成了高偏距、短扩压埋入式进气道的设计，并对该埋入式进气道的高、低速性能做了细致的研究，给出了0.1马赫数下进气道出口截面上的总压分布、总压畸变、壁面静压分布，以及0.5～0.8马赫数范围内，该进气道模型在-7°～10°攻角范围和8°侧滑角范围内的性能。

The special behavior of bubble and two-phase flow for cryogenic fluid boiling in the lunate channel is obtained by optical method.

本文用分相模型和均相模型对狭缝通道内受迫流动沸腾时的总压降和摩阻压降进行了分析，结果表明，在小于度情况下，改变Chisholm计算式中修正系数的计算，可以比较准确的预测狭缝通道中受迫流动沸腾时的摩阻压降。

Results indicate:(1) The newly developed simulation technology can form fairly average and easily controllable back pressure downstream the inlet, so it can he used to investigate the back pressure characteristics of hypersonic inlets.(2) By regulating the valve of injection pipe, the simulation technology can realize the switch of hypersonic inlet started state and unstarted state in about 8 milliseconds, so it is suitable to investigate the starting/unstarting/resarting problem of hypersonic inlets.

结果表明：(1)所提出的凹腔喷流技术可在进气道下游形成较为均匀的、可控的背压环境，因此可用于进气道的反压特性研究；(2)适当调节凹腔的喷流总压，并在实验中实时控制阀门的开度，凹腔喷流技术能够在较短的风洞实验时间内（约8s）实现进气道起动、不起动、再起动流态之间的切换，因此可用于进气道的不起动／再起动特性研究。

Dynamic pressure averaging pipe was generally applied to blowing rate measurement in rectangular pipe of power plant, the average velocity of flow in the section was represented by the average dynamic pressure at the line through the geometric center of the cross section, and then the blowing rate was determined.

针对这一问题，本文设计了基于&对数契比雪夫法&的送风流量测量装置，将5支动压平均管置于同一截面，按&对数契比雪夫法&选点位置开孔，把这5支动压平均管的静压输出孔、总压输出孔分别连接到一起作为传感器组件的差压输出，实验表明这种方法使测量准确度明显提高。

Through the regulation of the pressure in the high pressure chamber and low pressure chamber, TPC valve can make the sum of the pressure in the two chambers be a constant.

总压控制阀的作用是通过使泵控系统高、低压腔的压均可调节，从而实现这腔的压之和为一个常。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了