Test pipes: Stainless steel, approximately 20 mm inside diameter, Surge shaft Clear acrylic, inside diameter approximately 40 mm and at least 800 mm high.
Head tank: PVC, capacity 40-50 litres
Testing:
Demonstration of graphical representation of water hammering phenomenon using oscilloscope
Accessories
1 x Oscilloscope
2- Fluid Properties & Hydrostatic Bench Model
Pipette Capillary Viscometer
Thermometer
Header Tank
Hydrometer
Measuring Cylinder
Hygrometer
Aneroid Barometer
Manometer
Stopwatch
Archimedes Apparatus
Metacentric Height Apparatus
Balance
Pascal’s Apparatus
Hydrostatic Pressure Tester
Dead Weight Pressure Tester
3- Cavitation Demonstration Model:F1-28
Upstream pressure gauge
Diameter: 63mm
Range: 0 to 2 bar
Throat vacuum gauge
Diameter: 100mm
Range: -1 to 0 bar
Downstream pressure gauge
Diameter: 63mm
Range: 0 to 1 bar
To demonstrate the appearance and sound of cavitation in a hydraulic system
To demonstrate the conditions for cavitation to occur (liquid at its vapour pressure)
To observe the difference between air release from the water and true cavitation
To show how cavitation can be prevented by raising the static pressure of a liquid above its vapour pressure
Verification of Bernoulli’s equation
Comparison of theoretical and actual pressure at cavitation conditions
Testing:
Determining the relationship between head, discharge, speed, power and efficiency for a centrifugal pump at various speeds. Determining the head/flow rate characteristics of two similar pumps operating in either parallel or series configuration at the same speed.
5- Demonstration Pelton Turbine Model:F1-25
Speed range: 0-2000 rpm
Brake power: 10W
Pressure gauge range: 0-25m H2O
Force balance range: 2×0-50 N spring balance
Number of Pelton buckets: 16
Diameter of Pelton wheel: 123mm
To determine the operating characteristics of a Pelton Turbine Performance charts of power, speed, torque and efficiency.
Turbine output torque v rotor speed
Turbine output power v rotor speed
Turbine overall efficiency v rotor speed
6- Hydraulic Ram Model:F1-24
Supply head: 300 mm – 700 mm variable
Delivery head: 750 mm – 1500 mm variable
Testing:
To demonstrate the operating principles of the hydraulic ram Establishing flow/pressure characteristics and determining efficiency of the hydraulic ram.
7- Free & Forced Vortices Model:F1-23
Tank diameter: 245mm
Height to overflow point: Not less than 180 mm
Orifice diameters: 8, 16 and 24 mm
Forced vortex measuring probes:
Distance from centre: 0, 30, 50, 70, 90 and 110 mm
Pitot tubes having measuring point (nose) at: 15, 25 and 30 mm radius
Testing:
To produce and measure the characteristics of free and forced vortices using a hydraulics bench.
8- Energy losses in bends Model:F1-22
Pipe diameter: 19.48mm
Differential pressure gauge: 0-3 bar
Enlargement diameter: 26.2mm
Contraction diameter: 19.48mm
Fittings:
• short bend
• long bend
• elbow
• mitre bend
• area enlargement
• area contraction
• gate valve
Manometer range: 0-440mm
Number of manometer tubes: 12
Differential manometers: 6
Measuring the losses in the devices related to flow rate and calculating loss coefficients related to velocity head including:
• Long bend
• Area enlargement
• Area contraction
• Elbow bend
• Mitre bend
• Short bend
• Gate valve fitting
• Comparing the pressure drop across each device
9- Flow meter Demonstration Model:F1-21
To investigate the operation and characteristics of a Venturi meter, variable area meter and orifice plate including accuracy and energy losses
Comparison of pressure drops across each flow measurement device
Calibrating each flow meter using the volumetric measuring tank of the bench
Application of the Bernoulli equation for incompressible fluids
Manometer range: 0-400mm
Number of manometer: tubes 8
Orifice plate diameter: 20mm
Variable area meter: 2-20 l/min
It is one of the most important tools available to the hydraulics or civil engineers whether engaged in teaching basic principles or researching solutions to practical problems. Many applications in fluid mechanics are associated with the flow of water through an open channel where the water has a free surface that is exposed to the air at atmospheric pressure.
Technical Data:
Walls: Toughened glass
Bed: Exclusively fabricated from stainless steel
End tanks: GRP (Glass Reinforced Plastic)
Sump tanks & pipework: PVC (Polyvinyl chloride) & PE (polyethylene)
Pump: Close-coupled centrifugal
Flow regulation valve: Hand wheel operated butterfly
Tilt parameters:
+ve slope 1:40 max (1.4º)
-ve slope 1:200 max (0.28º)
Flow meter: Electro-magnetic
Maximum flow rate: 38 Litres/sec
Bed stability: 1.0mm (typical) at 400mm water depth
Side wall stability: 0.8mm (typical) at 400mm water depth
Width: 0.3m
Height: 0.45m
Accessories:
S6-20: Plate Weirs
S6-21: Broad Crested Weirs
S6-22: Venturi Flume
S6-23: Ogee Weir & Manometer Board
S6-24: Dam Spillway Models
S6-25: Syphon Spillway
S6-26: Self-regulating Syphon
S6-27: Roughened Beds
S6-28: Vibrating Pile
S6-29: Lift & Drag Balance & Models
S6-30: Pitot Tube & Manometer Board
S6-31: Crump Weir
S6-32: Parshall Flume
S6-33: WSC Flume
S6-35: Wave Generator
S6-36: Beach
S6-37: Zagni Flow Monitoring Systems
S6-40: Instrument Carrier
S6-42: Velocity Meter and Mountings
S6-45: Random Wave Maker
S6-46: Radial Gate
S6-47: Set of Piers
S6-48: Trash Rack
S6-49: Sill
S6-50: Culvert
S6-MKIII-DTA-ASUITE Software Control and Data Acquisition Package
S6-MKIII-DTA-ALITE: Data Logging and Instrumentation System
13- Flow Visualisation Table Model: HM 152
It is used to illustrate the streamlines around drag bodies.
Technical Data:
Suitable contrast medium: dye
Volume of supply tank: 200 ml
Inlet (hose nozzle): external 013 mm
Drain (hose nozzle): external Ø25 mm
Weight: ca. 140 kg
Main dimensions (I x w x h): 1400 x 810 x 1310 mm³
