unsteady-flow

基本解释

When is a Flow Compressible [For Both Steady and Unsteady Flow]?
什么时候流动是可压缩的[对定常和非定常流来说]?
It describes unsteady flow toward a discharging well in an extensive aquifer.
它描述位于广阔含水层中的抽水井的非稳定流。
Additional visual observations are usually in order to establish the advent of unsteady flow, intermittent stall, and full stall.
通常采用另外一些目视法来确定非常定流断续失速和全失速的出现。
Thus, a new approach was available to utilize the potentiality of intrinsic unsteady flow.
为固有非定常潜能的利用提供了一类新途径。
Once producing by socker rod pump, the velocity and pressure of liquid are changing with the time in unsteady flow.
在有杆泵抽油生产条件下,流体的速度和压力都随时间变化,处于非稳定流动状态。