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Orifice and Jet Flow (Jet Trajectory) Apparatus (SMT-FM-11)
Compact size, easy to use and handle.
Study of horizontal flows from tanks.
Determining the contraction coefficient for
different outlet contours and diameters.
Tank with adjustable overflow and scale.
Four interchangeable nozzles with different
diameters and contours.
Point gauge with nine movable rods for
visualisation of the jet path.
White panel for recording the trajectory.
Flow rate determined by SMT-FM-100 base
Water supply using SMT-FM-100 base module
or via laboratory supply.
SMT-FM-11 allows a user to study and visualize the profile of a water jet. This apparatus
allows students to measure the Decrease in flow, contraction of stream and energy losses.
Additionally, the contraction coefficient can be determined as a characteristic for different
contours. The experimental unit includes a transparent PPI tank, a point gauge and a panel
for visualizing the jet paths. An interchangeable nozzle is installed in the tank’s water outlet
to facilitate the investigation of various openings. Four nozzles with different diameters and
contours are provided along with the unit.
To visualize the trajectory, the issued water jet is measured via a point gauge that consists of
movable steel rods. The rods are positioned depending on the profile of the water jet. This
results in a trajectory that is transferred to the panel. The tank contains an adjustable
overflow and a scale. In this way, a precise adjustment and accurate reading of the fill level
The experimental unit is positioned easily and securely on the work surface of the SMT-FM-
100 base module. The water is supplied and the flow rate measured by SMT-FM-100.
Alternatively, the experimental unit can be operated by the laboratory supply.