1) point and area wall fluctuating pressure
点面脉动压强
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) fluctuating pressure
脉动压强
1.
Analysis of fluctuating pressure on curved surface bucket in spillway;
溢洪道曲面贴角鼻坎脉动压强分析
2.
Through model tests, the pressure strength behaviors of jet flow energy dissipation basin by aerated flow splitting piers are studied thereby obtaining the varying relations between the time averaged pressure and fluctuating pressure along the energy dissipation basin as well as the sharply weakening laws of pressure strength coefficients with an increase in inundation degrees.
通过模型试验研究了掺气分流墩射流消力塘的压强特性,得出了时均压强和脉动压强沿消力塘的变化关系及最大压强系数随淹没度增大急剧衰减的规律。
3.
The correlation,the spectrum and the turbulent scale of wall fluctuating pressure and fluctuating velocity,under the action of single and twin impinging jets,are studed in the paper by using 2-D LDA and the multiple points dynamic pressure scanning system.
本文用多通道动态压力检测系统和二维激光测速仪对在单股和双股射流作用下,水垫塘底板脉动压强与近壁脉动流速的相关、功率谱和紊动比尺进行了测试研究。
4) wall pressure fluctuations
壁脉动压强
1.
The vortex shedding frequency and the wall pressure fluctuations were measured with the aim of analying the effect of changing the clearance ratio shedding and the wall pressure fluctuations when the circular cylinder bed in the air turbulent boundary layer.
测量了尾涡脱落频率和平板表面压强脉动,目的是分析当圆柱嵌入空气湍流边界层的情况下,间隙比值对尾涡脱落频率及壁脉动压强的影响。
5) pulsation pressure amplitude
脉动压强强度
6) a point fluctuating pressure
点脉动压力
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。
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参考词条