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- ON THE PRESSURE WAVE SPEEDS IN SLURRY PIPELINES 浆体管道输送水击压力波波速的探讨
- pressure wave speed 压力波波速
- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。
- The pressure wave is generated by exploding small detonator.The sound speed is obtained by amending propagation velocity of pressure wave that has been measured. 通过测量由小药量电雷管爆炸而产生的压力波传播速度,然后修正到音速。
- The calculation method of primary wave and second wave speed were studied when the oil saturation and effective pressure of unconsolidated sandstone reservoir with high porosity in X Oilfield changed. 研究了X油田高孔低胶结砂岩储层在含油饱和度和压力变化时纵、横波速度计算方法,并将计算数据与实际测井资料进行了对比。
- By sweeping a laser along the pipe to change the local wave speed, physicists might be able to create a horizon. 将雷射沿著管路扫过,可以改变局部的波速,运用这种方式,物理学家也许可以创造出视界来。
- The afterflow represents a production of kinetic energy which becomes converted into a pressure wave when the outward flow of water is reversed. 残余塑性流动代表在外向水流返回时动能变为压力波的一种结果。
- And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propa... 低渗透油藏比中高渗透油藏的压力波传播速度慢。
- The data of the percussion pressure wave, the rat's b lood pressure and heart rate were recorded. 实验中由计算机记录冲击时脑承受的压力曲线并描记大鼠血压和心率变化。
- The the-oretical and practical significance of the"wave speed theory of flow limitation"proposed by Dawson is preliminarilyidentified by these facts. 这一事实也初步验证Dawson等提出的“流量限制的波速学说”的理论和实用意义。
- The results indicted that the deformation range by the first pressure wave is proporational with impact velocity. 研究结果表明:泡沫铝试样在不同的冲击速度加载下变形量大小不同,随着冲击速度的增大,试样达到该冲击速度下的最大变形所需的压缩次数(冲击波的反射、透射过程)减少。
- The weathering of rock are zoned in terms of the ratio of wave speed, integrality index of rock mass and rock quality index. 运用岩体波速比、岩体的完整性系数、岩石质量指标分别对岩体风化进行了分带;
- The afterflow represents a production of kinetic energy which becomes convered into a pressure wave when the outward flow of water is reversed. 残余塑性流动代表在外向水流返回时动能变为压力波的一种结果。
- Abstract: Two ignition methods are investigated to reduce pressure wave in large caliber gun propelling charge with high loading density. 文摘:研究了两种能降低某大口径火炮高装填密度发射装药的膛内压力波的点传火方案。
- Aimed at the characteristic of discreteness of the coal sample, pulse-penetrating method is used to measure the acoustic wave speed and the strength test is finished on MTS815. 采用超声脉冲穿透法测量煤样波速并进行岩石力学试验,回归分析得出了煤岩试件声速与其力学参数之间的关系式,为尽可能避免因煤样离散性而带来的盲目试验提供了一条技术途径。
- Two ignition methods are investigated to reduce pressure wave in large caliber gun propelling charge with high loading density. 研究了两种能降低某大口径火炮高装填密度发射装药的膛内压力波的点传火方案。
- The results of drilling tests proves that the remaining compressive strength, electromagnetic wave speed, and the covered area of electromagnetic wave amplitude are related. 实验最后以钻心试验印证了,混凝土火害后残馀强度与电磁波波速以及电磁波其振幅包覆之面积是有相关连的。
- The conventional formula of the investigation radius is defined by the peak time of pressure wave,which is mainly on theory. 认为传统的探测半径计算公式是通过压力波的波峰进行定义的,其理论性很强。
- Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation. 从钻井泵经过钻柱内部输送到钻头喷嘴的流体是一种瞬态流动,存在着压力行波,使从普通喷嘴射出的流体有一定程度的脉动。
- But as the waves enter shallow waters, friction with the ocean floor lowers the waves' speed and raises their height... 但随着这些波浪进入浅水区,与海底的摩擦降低了波浪的速度但提高了它们的高度...
