The flow from a tank can be regarded as both steady and transient. In the steady case the fill level, and thus the width of the jet, remains constant (e.g. discharge under a weir).
When the tank is emptying during the discharge process, it is in what is referred to as the transient state.
Vertical flow from a tank
Determination of pressure losses and contraction coefficient for different outlet contours.
Horizontal flow from a tank
Recording the trajectory of the water jet at different outlet velocities.
Recording the trajectory of the water jet and discharge coefficients at different outlet velocities.