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TeLC1976
Dipl. Ing. A. Kutschelis & Sohn

Technische Lehrmittel Construktion
Hochstr. 8
D- 59425 Unna
Germany

web: http://www.telc.de
mail: mail@telc.de
phone.: +49 (0) 2303 239999
facs: +49 (0) 2303 239990
   
 
printable version Piston compressor
 
Piston compressor double stage HG002 | Piston compressor double stage HG004
 
Piston compressor double stage HG002
The stages of compression are distributed on two separate machines. By variation of their speed it is possible to change the stage pressure relations within wide limits. Controlled inter- and after-water-cooling and cylinder air-cooling provides adjustment of all variations of performance. Indicating determines the internal work automatically.
 
Compressors:
  • 1. Stage 2-cylinder compressor driven by frequency controlled electric engine with speed- and torque-measurement.
  • 2. Stage 1-cylinder compressor driven by frequency controlled electric engine with speed- and torque-measurement. Equipped for indication.

The two compressors can be operated in single-, series- and parallel circuit.
Inter- and after-cooling with water is temperature controlled.
The vessel-pressure is controlled automatically.

 

Measuring systems :

The measuring devices are digitally connected to the internal controller, sending data to the comprised portable PC. Stand control and data acquisition is performed by Windows-software. Measured quantities are:

  • Temperatures
  • Volume flow-rate of cooling water
  • Torque and speed
  • Air-mass
  • Pressures
  • PID-based control of inter- and after-cooling. The controller's parameter can be set by the software.
 

Technical details:

Dimensions: 3m x 1.8m x 0.65m
Weight: 350 kg

 

Supplies:

400V 3-phase AC 2.5 kW, cooling water

 
 
Compressor 1 1450 ccm, 11,0kW
Compressor 2 480 ccm, 7,5kW
Vessel 500l
   
po-3 Air-pressures piezoresistive up to 16 bar absolute
to-10 Air- and water-temperature
VL1-2 Quantity of cylinder cooling air
VW1-2 Water-quantities for inter- and after-cooling
VK Compressed air-mass
n1-2 Compressor speed
M1-2 Torques, strain gages
pi1-2 Internal cylinder pressures
d1-2 Piston displacement sensor
 
Piston compressor double stage HG004
 
Piston compressor double stage HG004
The stages of compression are distributed on two separate machines. By variation of their speed it is possible to change the stage pressure relations within wide limits. Together with the controlled inter- and aftercooling all variations of performance can be adjusted. Indicating determines the internal work automatically.
 
Compressors:
  • 1. Stage 2-cylinder compressor driven by two-speed motor with electric power measurement.
  • 2. Stage 1-cylinder compressor driven by frequency controlled electric engine with speed- and torque-measurement. Equipped with indication device.

The two compressors can be operated in single-, series- and parallel circuit.
Inter- and after-cooling with water is temperature controlled.

 

Measuring systems:

The measuring devices are digitally connected to the internal controller, sending serial data to the comprised portable PC. Stand control and data acquisition is performed by Windows-software. Measured quantities are:

  • Temperatures
  • Volume flow of cooling water
  • Mechanical power calculated from the measured quantities torque and speed
  • Air-mass
  • Pressures
  • PID-based control of inter- and after-cooling. The controller's parameter can be set by software.
 

Technical details:

Dimensions: 3m x 1.8m x 0.65m
Weight: 350 kg

 

Supplies:

400V 3-phase AC 2.5 kW
Cooling-water

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Keywords: Air Compressor, Piston Compressor, Reciprocating Compressor, Double Stage Compressor, Compressorium, Indicating
 
©TeLC Unna 2004 
   
 
printable version Fluid mechanics
 
Fluid mechanics

This new designed test-stand provides a great number of experiments concerning losses caused by friction and restriction in dynamic fluids. Further forces are measured caused by 90° and 180° deflections.

Build-up:

The unit consists of:

  • 60 Liter-reservoir
  • Pump
  • Distributing pipe
  • 10 independent Pipelines
  • Collecting pipe
Test pipelines:
  • Pipe bends
  • elbows
  • reductions
  • expansions
  • different valves
  • orifice plate
  • nozzle in acryl
 
Fluid mechanics
 
Fluid mechanics

Measuring systems:

  • Flow- rate:
    • Flow-rate meter
    • Rotameter
  • Pressure:
    • Classical manometer
    • Electrical manometer, quick connectable to multiple measuring positions
    • Tension gauge, resolution: 1 g

TTechnical details:

Dimensions: 3,1m x 0,6m x 1,9m
Services: 380 V 3~ 0.24 kW

Force measurement at 180° flow deflection
Keywords: Fluid dynamics, losses, friction, restriction
 
©TeLC Unna 2004 
   
 
printable version Pump test stand
Pump test stand

Test stand bases on a transparent centrifugal pump with measuring systems to determine its characteristics. The impeller is visible and can be interchanged quickly with another different impeller type. Further it is possible to perform fluid dynamical investigations on elements like pipe bends, elbows, reductions, expansions, valves, nozzles, ventury tube, pitot-static tube.

Measuring systems :

The measuring devices are digitally connected to the internal controller, sending serial data to the comprised portable PC. Stand control and data acquisition is performed by Windows-software. Measured quantities are:

  • Flow measurement with rotameter and impeller impulses
  • Dynamic and static pressures
  • Torque and speed of the pump-motor

 

Dimensions:
1.6m x 0.65m x 1.7m
Weight: 140 kg
Services: AC 230 V
Pump test stand
Pump test stand
Keywords: Centrifugal pump, Pump characteristics, characteristic values of pump, Fluid circuits, fluids dynamics, waterflow, Valve characteristics, Characteristics of fluid dynamic elements
 
Pump test stand

New:

Transparent Screwspindle Pump , delivery 4m³/h at 1500 rpm
Screw can be interchanged with Cntrifugal pump. It is connected easily to the electric motor drive. Inlet and outlet are screwed to the normal pipework.

 
©TeLC Unna 2004 
 
printable version Pelton Teststand
Pelton Teststand

Teststand contains principles of water working- and power machines in singular way. The housings are transparent.

Measure and control -technics:
• torque , brake is mounted on
• a swiveling table
• speed, incremental method
• pump speed with handwheel
• flow rate , magnetic
• pressure , piezoresistive cell
Impuls on the nozzle see right

Measure data are read on display or on PC screen. Seriall data transfer see Windows-program

Water brake is supplied separately for use with other machines. Technical Data of the brake: power 1,5- 25 kW speeds up to 10000 rpm

Dimensions: 0.80m x 0.65m x 1.55m
Weight: 60 kg
Services: AC 230 V

 

Pelton Teststand
Pelton-turbine
Pelton Teststand
Centripetal-turbine
Pelton Teststand
Föttinger brake
Pelton Teststand
 
©TeLC Unna 2004 
   
 
printable version Pump-turbine
 
Pump-turbine

This moveable test stand bases on a pump-turbine with variable, during run adjustable blades in rotor and stator. The Centrifugal pump in the circle is the feeder-pump. It serves also as restrictor and operates as a (non-perfect) centripetal turbine. Flow (Cavitation)- observations can be made through the perspex pipe section. The 4-quadrants frequency speed control for the axial- and radial-machine makes a restrictor valve dispensable and allows axial pump performance near zero pressure.

Pump turbine aggregate:
Visit Pump turbine aggregate

 

Measuring systems:

The measuring devices are digitally connected to the internal controller, sending serial data to the comprised portable PC. Stand control and data acquisition is performed by Windows-software. Measured quantities are:
  • Torque of the axial engine with strain gage sensor on the swivel engine
  • Rotational speeds
  • Volume-flow
  • Pressures
  • Electric energy consumption and production for both machines
 
Technical details:
Dimensions:
3.2m x 0.8m x 2.4m
Weight: 380 kg
Electrical supply: AC 400 V, 4kW
Keywords: Pump turbine, Turbine , Water turbine, Reversible Axial Pump Turbine, Axial Pump Turbine
 
©TeLC Unna 2004 
   
 
printable version Pump-turbine aggregate
 
Pump-turbine aggregate

The axial type hydraulic machine is the predestined object for studies in mechanical and civil engineering. Incorporated in a pipework, with supply pump or vessel in some height and equipped with flow-meter and pressure transmitter then a test stand is created which is an ideal field for basic experimenting.

Technical details:
  • Axial flow type 100mm diameter
  • Hub only 40mm diamete
  • Flow-rate 30-70 m³/h
  • Rotor blade adjustment > 30° during operation
  • Stator blades synchronously adjustable +/- 30°
  • Perspecs pipe window with 5 relevant pressure tappings
  • Electric motor/generator swiveling with torque meter
  • Frequency converter for speed control
  • LC-display and interface for torque and speed
 
Pump-turbine aggregate
 

Supply:

3~ 400V , 4 kW

 

Please have a look at our complete "Pump-turbine test stand".

Keywords: Pump turbine, Turbine , Water turbine, Reversible Axial Pump Turbine, Axial Pump Turbine
 
©TeLC Unna 2004 
   
 
printable version Teststand radial fan
Teststand Radial fan

Teststand Radial Fan to determine the characteristica icluding efficiency at all speeds

Speedcontrolled drive and torque measurement

Blower tunnel with flow measure instrumentation and throttle at the end.

Flow measurement with Pitot / Static tube and differential pressure transmitter
Pt100 Thermometer is installed for the determination of air density.

Multifunctional display und incremental turning / pressing knob serve for the displaying of the measure values and for hand control.

With connection of a PC through serial terminal all the functions of the TLC software can be used. See following page and Windows-software
 
Process screen
Teststand Radial fan

Relevant data as beams, table scrollable column of all values also calculated ones.

Shifter for throttling is not really effective on throttle. Throttle has to be set by hand.

Setting can be reteated and therefore is in the dataset.

Plotter screen
Teststand Radial fan

Electricity supply:

1ph. 240V
Dimensions: 1600 x 600 x 1700 mm2
Weight: 90 kg
Stichworte: Wärmeverlust, Isolierstoffe, Isolierung, Wärmedurchgang, Versorgungstechnik, Gasgebläsebrenner Simulator, Gasgebläsebrenner Testanlage, Gasgebläsebrenner Übungsstand, Gasgebläsebrenner Ausbildung, Heizungstechnik, Heizung, Fußbodenheizung, Radiatorheizung, Luftbefeuchter, Testanlage, Übungsstand, Ausbildung, lehrmittel, technische, Schulen, Berufsschulen, Universitäten, Fachhochschulen, Weiterbildung, Qualifizierung, Laborgerät, Prüfstand, Versuchsstand, Übungsgerät, Lehrgerät, Demonstration, Modell, Lehre, Bildung, Ausbildung, Schulung, Weiterbildung, Training, Lüftungsbauer, Zentralheizungs- u. Lüftungsbauer, Rohrleitungsmonteur, Klimatechniker, Gas- und Wasserinstallateur, Kältenanlagentechniker, Gasinstallateur, Sanitärtechniker, Heizungsinstallation, Wärmeverlust, Isolierstoffe, Isolierung, Wärmedurchgang, Wärmetauscher, Kreuzstrom, Gegenstrom, Gleichstrom, Platten, Röhren, Rohrbündel, Testanlage, Übungsstand, Ausbildung, lehrmittel, technische, Schulen, Berufsschulen, Universitäten, Fachhochschulen, Weiterbildung, Qualifizierung, Laborgerät, Prüfstand, Versuchsstand, Übungsgerät, Lehrgerät, Demonstration, Modell, Lehre, Bildung, Ausbildung, Schulung, Weiterbildung, Training, Lüftungsbauer, Zentralheizungs- u. Lüftungsbauer, Rohrleitungsmonteur, Klimatechniker, Gas- und Wasserinstallateur, Kältenanlagentechniker, Gasinstallateur, Sanitärtechniker, Heizungsinstallation
 
©TeLC Unna 2004 
   
 
printable version Centrifugal pump
 
Centrifugal pump

Test stand bases on a transparent centrifugal pump with measuring systems to determine its characteristics.

Technical details of pump:

Conveying capacity: 3 m3/h, 1,2 bar at 3000 min-1
Power of electric engine: 0,75 kW, 2-4 Nm
Speed: Stepless 520 - 3640 min-1
Torque: Measuring shaft, maximum load 4 Nm
Pressure: Pressure gauges at suction and pressure connection
Flow: Flow meter measuring range 1-10 m³/h
Reservoir: 18 l
Dimension: 90 x 35 x 120 cm
Weight: 45 kg

Further properties :

  • Measurement of shaft power
  • Stepless adjustable speed
  • Engine is removable and usable for other purposes
  • Transparent pump: Casing consists of perspex
 
Centrifugal pump
Keywords: Centrifugal pump, Pump characteristics, characteristic values of pump, Pump test cell, Pump test stand
 
©TeLC Unna 2004 
   
 
printable version Boil-Mariotte-device
 
Boil-Mariotte-device

Device for Verification of Boil Mariotte´s law: p x V =constant

Description:
Volume above left water column is the test volume. Right water column can be driven into left one by help of an air compressor which pumps air onto right column. That way test Volume left above water column is raised or diminished resulting in compression or vacuum.
Inside the cabinet are transmitters for pressure and displacement as well as the compressor itself.
Quick hose connections of compressor are on front panel.

 
Measure system:

pressure: piezoresistive absolut
Volume: sonical through bottom and water column
Indication on LCDs
Serial data terminal for acquisition with adapted Windows-Programm.
 
Dimensions:

Column dia 100 mm length 500 mm
 
Stichworte: Boil, Mariotte, Boil-Mariotte
 
©TeLC Unna 2004 
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