Mutiara Nata Abadi  |  We work together, uniting our energy, and delivering the best solution
HM 150.12 Orifice Discharge Apparatus
Education / GUNT Hamburg / Fluid Mechanics and Hydrology / Fundamentals of Fluid Mechanics /


 The water drains vertically from a transparent supply tank through a nozzle due to the hydrostatic pressure. The velocity of the jet can be measured with a Pitot tube and a U-tube manometer. The jet diameter is measured with a micrometer. 5 easy to interchange nozzles are included. The water level can be set precisely using an overflow.
The water supply is provided either from the laboratory mains or using the HM 150 (closed water circuit).

Learning Objectives / Experiments
· Experiments on the discharge jet (diameter, velocity)
· Determination of flow rate for various water heads
· Determination of flow rate coefficients
· Comparison between experiment and calculation
[1] Discharge tank, for use with the HM 150 
[2] l x w x h 400x400x700mm, 12kg
[3] Plexiglass tank with overflow
[4] Tube manometer 500mmWC
[5] Maximum flow rate 14ltr/min
[6] 5 exchangeable nozzles
[7] Micrometer to determine the jet diameter
Technical Data
Discharge tank: Approx. 13ltr, overflow height: max. 400mm
Nozzles, d=12mm: 1x "channel", 1x cone outlet, 1x inlet with orifice, 1x cone inlet, 1x rounded inlet
Dimensions and Weight
l x w x h : 400 x 400 x 700 mm
Weight : approx. 12 kg
Scope of Delivery
1 experimental set-up, 5 nozzles, 1 set of hoses, 
1 instruction manual
Order Details
070.15012 HM 150.12 Orifice Discharge Apparatus