Unsteady Flow
If conditions change over time, the stream becomes unsteady. Currently, the velocity at each point of the flow field of the same, but the rate varies over time, referring on shaky uniform flow, for example, the acceleration of the flow of fluid through a pipe to single hole running full. In shaky uniform flow, in terms of cross section and speed depending on the time from one point to another, for example, wave, running along the canal.
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