Features:

• Water turbines are turbo machines utilizing waterpower. 
• The Pelton turbine is a type of impulse turbine; such turbines convert the pressure energy of water into kinetic energy entirely in the distributor. 
• During the conversion, the water jet is accelerated in a nozzle and directed onto the blades of the Pelton wheel tangentially. 
• The water jet is redirected by approximately 180° in the blades. 
• The impulse of the water jet is transmitted to the Pelton wheel.
• The turbine torque is determined by force measurement on a band brake and is read on spring balances. 
• For measuring the rotational speed, a non-contact speed sensor, is required. 
• A manometer shows the water pressure at the turbine inlet.

Specification:

• Pelton turbine
• Output: 5W at 500min-1, approx. 30L/min, H=2m
• Pelton wheel: 14 blades
• Blade width: 33,5mm
• External Ø: 132mm
• Jet diameter: 10mm
• Dimension: 1000-x800 x 1200 mm
• Weight: 90kg

Measuring ranges:

• Force:  2x 0…10N
• Pressure:  0…1bar

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Features:

• Computer controlled air flow.
• 150mm (6” nominal) square working section.
• Transparent working section for visibility.
• Wide range of models for both aerodynamics and air flow studies.
• Air is drawn through the working section by a variable speed fan at the discharge end of the tunnel. 
• A honeycomb flow straightener is incorporated at the inlet, and a 9.4:1 contraction ratio ensure airflow through the working section. 

Specification:

• Square test section, nominally: 150 x 150mm,length 455 mm
• Tube length: 320mm
• Inclination: 30°
• Cylinder diameter: 30mm
• Tapping spacing: 20°
• Throat width: 100mm
• Upstream/downstream width: 150mm
• Power: 220-240V/1/Phase, 50Hz, 10Amps
• Dimension: 2200-x600 x 700 mm
• Measurement range: 0-160 mm H2O, 16 channels 0-178 mm H2O (differential)
• Lift force: 3.4N at model
• Drag force: 3.4N at model
• Inclination: +/- 45°
• Cord length: 61.5mm
• Thickness: 9.2mm
• Large models: 50mm
• Weight: 220kg
• Golf ball and small sphere: 43mm

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Feature:

• Water hammer demonstrations are conducted using the second test pipe, which incorporates a fast acting valve at the discharge. 
• Tapping’s incorporating electronic pressure sensors are located in the test pipe adjacent to the fast acting valve and half way along the test pipe. 
• These sensors measure the high-speed pressure transients inside the pipe as the water hammer travels backwards and forwards along the test pipe. 
• The time delay between the sensors can be used to determine the speed of sound through the water that is attenuated by the elasticity of the metal pipe wall.

Specififcation:

• Test pipes: Stainless steel, 20.2 mm inside diameter.
• Test pipe length: 3 m long
• Surge shaft clear acrylic, 40 mm inside diameter, 800 mm high.
• Head tank PVC 
• Capacity: 45 liters
• Dimensions: 3500-x800 x 1600 mm
• Weight: 120kg

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Descriptions:

• The equipment consists of a Venturi meter, variable area meter and orifice plate, installed in a series configuration to permit direct comparison. 
• A hand pump facilitates pressurization of the manometers.
• A flow control valve permits variation of the flow rate through the circuit. 
• Pressure tappings are incorporated so that the head loss of each flow meter may be measured. 
• The circuit and manometer are attached to a support framework, which stands on the working top of the Hydraulics Bench. 
• The bench is used as the source of water supply and for volumetrically calibrating each flow meter.

Specification:

• Manometer range: 0 to 500 mm. of water column
• Number of monomeric tubes: 8
• Upstream pipe diameter: 32 mm
• Downstream taper: 21° 
• Upstream taper: 14°
• Flow meter: 2 to30 l./min

Venturi dimensions:

• Throat diameter: 20 mm
• Orifice plate diameter: 25 mm

Orifice Plate dimensions:

• Upstream pipe diameter: 35 mm. 
• Downstream orifice diameter: 19 mm.

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Descrption:

• Determination of the center of pressures with an angle of 90°, partially submerged.
• Determination of the resultant force with an angle of 90°, partially submerged.
• Determination of the resultant force with an angle of 90° totally submerged.
• Determination of the center of pressures, angle <>90° totally submerged.
• Determination of the equivalent force with an angle <>90° partially submerged.
• Determination of the center of pressures with an angle of 90° totally submerged.
• Determination of the center of pressures, angle <> 90° partially submerged.
• Determination of the resultant force, angle <>90° totally submerged.
• Balance of momentum.
• The swinging arm is fitted with a tray and an adjustable counter balance. 
• The tank has adjustable supporting legs for leveling. 
• A graduated scale indicates the level reached by the water inside the tank.
• This assembly is mounted on top of an acrylic tank, which may be leveled by adjusting screwed feet. 
• Correct alignment is indicated on a circular spirit level mounted on the base of the tank.

Specification:

• Tank capacity: 5.5 ltr.
• Area of the section: 0.007 m2.
• Total depth of the submerged quadrant: 160 mm.
• Height of the support point on the quadrant: 100 mm.
• Distance between the suspended masses and the support point: 285 mm.
• Dimensions: 600-x400 x 400 mm
• Weight: 30kg

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Features:

• Consists of a cylindrical tank with lateral transparent surfaces where a nozzle, connected to the Hydraulics Bench is aligned with a device in which the problem surface is fitted. 
• The vertical force made by the water against the surface is measured using calibrated weights that balance this force. 
• The dead weight of the moving parts is counterbalanced by a compression spring. 
• Holes made on the tank base in order to drain the water. 
• Discharge nozzle inside clear acrylic cylinder.
• Impact against a flat surface.
• Impact against a curve surface of 120o.
• Measurement of the jet forces via the weight-loaded scale

Specification:

• Jet diameter: 8 mm.
• Impact surfaces diameter: 40 mm.
• Dimension: 800-x800 x 800 mm
• Weight: 90kg

Impact surfaces:

• 180° hemispherical surface.
• 120° curve surface.
• 90° flat surface.
• A set of masses of 5, 10, 50 and 100 g. is supplied.

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Features:

• A pipe section and various pressure measuring devices are fitted to a laboratory trolley with a demonstration panel, working area and cabinet. 
• Various measuring containers are integrated into the pipe section. 
• The sealed water circuit and pump with supply tank permit experiments to be performed independent of a mains water connection. 
• Experimental apparatus are included in the cabinet, e.g. a device for determining the center of pressure of a column of water. 
• This enables the pressure on a weir to be determined, amongst other aspects.

Specification:

• Submersible pump: 0.22kW
• Volumetric flow rate: 95Ltr/min
• Head: 12.5m
• U-Tube manometer: 0..500mmWC
• Two hydrometer jars: 450 x 50 mm.
• Hg U-tube manometer: 270..0..270mbar
• Aneroid barometer, range: 973 – 1047 mbar.
• Thermometer with a range between: -10 and 50oC.
• Pycnometer : 50 ml.
• Dimension: 1000-x800 x 1400 mm
• Weight: 120kg
• Archimedes module: displacement vessel, bucket and cylinder. 
• Capillary tubes module with tubes of different size: 5 mm, 4 mm, 3 mm, 2.2 mm, 1.7 mm and 1.2 mm.
• Two falling sphere viscometer tubes: 300 x 40 mm, with marks at 0, 25, 175, 200 and 220.
• Set of stainless steel balls of different sizes: 3.175 mm, 2.381 mm and 1.588 mm
• Parallel plates capillary module.
• Variable scale lever balance to be used with the Archimedes module, up to 310 gr.

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Features:

• A Rota meter and a volumetric measuring tank are included for comparison measurements and calibrations. 
• The volumetric measurement using a stopwatch gives highly accurate results even at low flow rates. 
• A movable manometer panel saves space and allows for optimal accessibility. 
• The trainer includesa closed water circuit with tank and submersible pump.
• The pressure measuring points are designed as annular chambers for accurate pressure measurement. 
• Tube manometers, a Bourdon tube pressure gauge and a differential pressure sensor are provided for pressure and differential pressure measurements.

Specifications:

• 4 smoothbore pipes of different diameters ranging from 4.5mm I.D. to 17.2mm I.D.
• Artificially roughened pipe.
• 90° bends (large & small radii), 90° elbow, 90° mitre, 45° elbow, 45° Y, 90° T.
• Inline strainer, Perspex Venturi, Perspex orifice meter.
• Perspex pipe section with a Pitot tube & static tapping.
• 38 tapping points.

Measuring ranges:

• Pressure: -1…1,5bar
• Differential pressure: 1x 0…+/-350mbar, 8x 0…1000mmWS
• Flow rate: 1x 400…4000L/h
• Power supply: 230V, 50Hz, 1 phase
• Dimension: 800-x800 x 1200 mm
• Weight: 120kg

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