This system can implement constant-head, constant flow-rate and transient-pulse permeability tests of specimen under high confining and pore pressures.
该装置可在高围压及高孔隙水压力条件下采用定水位法、定流量法或压力脉冲法测试岩石的渗透系数。
When gas flow rate quickly decreases, there will appear a short period of stratified flow in the transient process of the slug flow.
当气体流量突然降低时，在段塞流的瞬态变化过程中则会出现短时间的分层流。
The transient behaviors of gas flow initiated by quick change of gas flow rate were tested on a big multiphase flow loop.
在大型多相流实验环道上进行了气体流量快速变化的瞬态特性实验。
Methods. A previously validated method for measuring permeability, based on the relaxation pressure caused by a transient-flow rate was used.
方法：以前测量通透性有效的方法主要是依靠于暂态流诱导的松弛压。
Methods. A previously validated method for measuring permeability, based on the relaxation pressure caused by a transient-flow rate was used.
方法：以前测量通透性有效的方法主要是依靠于暂态流诱导的松弛压。
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