Fans and compressors
A characteristic of fans is the pressure ratio, which indicates the ratio of the absolute final pressure to the absolute intake pressure. Fans are different from compressors because of their low pressure ratio of max. 2,5.
HM 280
Experiments with a radial fan
Operating behaviour and characteristic variables of a radial fan; two interchangeable rotors.
HM 282
Experiments with an axial fan
Operating behaviour and characteristic variables of an axial fan.
HM 292
Experiments with a radial compressor
Two-stage compressor: recording of the compressor curve for both stages.
HM 210
Characteristic variables of a radial fan
Determination of flow rate via iris diaphragm or Venturi nozzle.
HM 215
Two-stage axial fan
Determining the characteristics of a two stage axial fan.
HL 710
Air duct systems
Planning and setup of simple and complex air duct systems.
HM 299
Comparison of positive displacement machines and turbomachines
Interchangeable driven machines: three pump types, two compressor types.
ET 165
Refrigeration system with open compressor
Capacity measurement at the open compressor with variable speed; refrigeration chamber with adjustable cooling load.
ET 432
Behaviour of a piston compressor
Investigations in an open two-cylinder piston compressor from refrigeration.
ET 500
Two-stage piston compressor
Recording the characteristic of an industrial two-stage compressor.
ET 508
Simulation of a two-stage air compressor
Simulated operation of a two-stage compressor plant with intermediate and aftercooling.
ET 512
Compressed air generation plant with piston compressor
Function test on a single-stage piston compressor.
ET 513
Single-stage piston compressor
Simulated operation of a two-stage compressor plant with intermediate and aftercooling.