低渗透油藏比中高渗透油藏的压力波传播速度慢。
And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propagating velocity.
着重分析了相间作用力，包括壁面剪切应力、虚拟质量力、拖拽力，对压力波传播速度和衰减的影响。
The interphase forces on the propagation were investigated, including wall shear stress, virtual mass force and drag force.
对比开阀和气压脉冲所形成的两种瞬变流形式的压力波传播速度、压力等参数，发现气压脉冲更能增加管道中水流的紊动程度，冲洗效果更好。
Barometric pulse could cause stronger disordery degree and better flushing effect by comparing the transfer rates of two pressure waves and pressures caused by valve opening and barometric pulse.
研究了垂直上升管内气液两相泡状流压力波的传播速度和衰减规律。
Experimental investigation was carried out to study the pressure wave speed and its attenuation for gas-liquid bubbly flow in vertical upward tube.
岩石介质中爆炸波的特点是压力高、传播速度快，对介质质点的作用在瞬间完成。
The feature of explosion signals in elastic-plastic region of rocks is in the state of high pressure, of high speed, and of transient action on the particle motion.
岩石介质中爆炸波的特点是压力高、传播速度快，对介质质点的作用在瞬间完成。
The feature of explosion signals in elastic-plastic region of rocks is in the state of high pressure, of high speed, and of transient action on the particle motion.
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