2) pressure fluctuation
压强脉动
1.
Flow parameters such as phase holdup and pressure fluctuation,as well as their axial and radial distributions were measured at different superficial phase velocities.
在配料固相质量分数为29%的条件下,实验测定了不同操作条件下反应器内的轴、径向相含率及其分布,轴、径向压强脉动,初步揭示了分布器以及操作条件对局部流动参数的效应。
3) pressure fluctuation
压强波动
1.
The influence of the hot gas ejection on the pressure fluctuation of the chamber is also studied and its forming mechanism is analyzed.
重点研究了燃气引出对燃烧室压强波动的影响并对其形成机理进行了初步分析。
4) hydrodynamic pressure
动水压强
1.
Scalling effects of an aerated jet produced by high arch dam upon hydrodynamic pressure in water cushion pool;
高坝挑流掺气水舌对水垫塘动水压强的缩尺影响
2.
Variation pattern of hydrodynamic pressure on arched ring slabs in arch invert water-cushion pool in time and frequency domain
反拱水垫塘拱圈底板动水压强时域与频域的变化规律
3.
By using an advanced simulation method and the measurement technology,the research on the hydrodynamic pressure on the slabs of the ring in arch invert plunge pool by the action of high water head and large discharge has been carried out experimentally.
采用先进的模拟方法和量测手段,对高水头和大流量作用下反拱水垫塘拱圈底板动水压强进行了详细的试验研究。
5) start pressure
启动压强
1.
The test results show that the ejector start pressure is remarkably higher than the operate pressure.
试验结果表明,环型引射器启动压强明显高于运行压强;试验发现,引射马赫数越高,混合室收缩比越大,引射器启动压强越高。
6) perturbation pressure
扰动压强
1.
A series of numerical computation have been conducted to characterize the movement of the terminal shock inside an axisymmetric supersonic inlet under perturbation pressure with different amplitudes and frequencies.
采用有限体积法计算了某轴对称超声速进气道,在不同幅度和频率的出口扰动压强下的进气道内结尾正激波的运动情况,得出了进气道内结尾正激波运动特性和扰动压强的频率和幅度的关系。
补充资料:等离子体压强和磁压强
在流体近似下,可以把等离子体看成是彼此相互作用的电子和离子两种气体的混合物。它们各具有动力压强,上述两种气体成分的分压强之和P=k(niTi+neTe)称为等离子体压强,k是玻耳兹曼常数,角标i、e分别表示离子和电子。
经常遇到的处在静磁场 B中的等离子体,除了等离子体压强外,它还受到磁力 作用,j是电流密度。当磁力线是直的并互相平行时,(B·墷)B项等于零,相当于压强,称为等离子体磁压强。
在等离子体压强和磁压强并存之时,常用参数表示磁压强的相对重要性。这个参数称为比压。
经常遇到的处在静磁场 B中的等离子体,除了等离子体压强外,它还受到磁力 作用,j是电流密度。当磁力线是直的并互相平行时,(B·墷)B项等于零,相当于压强,称为等离子体磁压强。
在等离子体压强和磁压强并存之时,常用参数表示磁压强的相对重要性。这个参数称为比压。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条