Closed Circuit Test Rig: Apparatus for determination of Cd of notches
a) Apparatus consists of an M.S. supply tank of size 100 liters with baffles and screens for steadying the water and a provision to fix the interchangeable notches. A hook/pointer gauge with suitable fittings is provided to measure the water level. A stop watch and an M.S. collecting tank of size 90 liters., with a gauge glass scale fitting, a drain valve and a bend are provided to measure the actual flow rate.
b) The following set of 3 notches of size made of 10 gauge brass sheets are provided to conduct the experiments
1. Rectangular Notch
2. Trapezoidal (Cippolotti) notch
3. V notch (90 deg)
c) A 220 volt AC, 1.0 HP, single phase monoblock ISI pumpset with suitable pipe fittings, strainer foot valve, and switch is provided to supply water to the test rig.
d) A sump tank of size 250 liters with suitable drain is provided to store the water. A strong iron stand fitted with wheels supports the complete test rig. The unit is moveable.
All tanks are provided with FRP lining for total rust protection