Institut für Energietechnik und Thermodynamik
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Linear Cascade Wind Tunnel:

Measurement area: 150 mm x 600 mm

Inlet flow angle: 70° to 120° (adjustable device)

Air supply: axial blower SGP A 110 with variable inlet guide vanes

Drive: AC asynchron motor BBC QU 200 L2 A (30 kW / 2940 rpm)

Blade pressure distribution: max. 40 pneumatic pressure taps

Wake measurement: pneumatic probes, hot-wire anemometry, automatic traversing DANTEC

Data aquisition system: HP3852A, LabVIEW

Free-Jet Wind Tunnel:

Measurement area: 120 mm or 200 mm diameter (Witoszynski nozzle)

Air supply: radial blower SIROCCO Z 10 HD 86

Drive: DC motor ELIN GMB (50 kW) 

Data aquisition system: HP3852A, LabVIEW

 

 

 

 

Labyrinth Test Stand:

Rotor diameter: 300 mm

Straight-through labyrinth with z = 6 fins

Staggered labyrinth with z = 11 fins

Rotor drive: AC asynchron motor VEM KIIR I32 SXS (7,5 kW / 2880 rpm) 

Rotor rotational speed: n < 6000 rpm

Data aquisition system: NI DAQ, LabVIEW

SGP-Air Supply Unit:

Radial blower SGP HR 40 / 40 (Q = 6075 m3/h, PR = 1,15)

Drive: DC motor ELIN G20 (34 kW)

PGW-Air Supply Unit:

Radial compressor PGW HL 50 / 100 / 00 (Q = 7400 m3/h, PR = 2,0)

Drive: DC motor ELIN Gfa 107 (220 kW)

Air / water heat exchanger GEA

ATLAS COPCO-Air Supply Unit:

ATLAS COPCO screw compressor GA 355-7,5 (electrical power 60 kW)  

REISNER & WOLFF pressure vessel 2500 liter / 10 bar

ATLAS COPCO air dryer FD 355 (electrical power 2,2 kW)

ATLAS COPCO micro filter PD 175

GHH-Air Supply Unit:

Oil-free screw compressor GHH Sk 12-L  (Q = 450 m3/h, PR = 1,5)

Drive: DC motor BBC-RMC (20 kW)

Air / water heat exchanger GEA

Micro Gas Turbine ROVER:

Micro Gas Turbine Rover 1S/60

Radial compressor / Axial turbine

Net power P = 45 kW

Rotor speed n = 46000 rpm

Generator speed n = 3000 rpm

Eddy current brake BORGHI & SAVERI FE150S

Micro Gas Turbine KHD:

Micro Gas Turbine KHD T216

Radial compressor / Radial turbine

Net power P = 75 kW

Rotor speed n = 50000 rpm

Generator speed n = 3000 rpm

Fuel: Diesel

Eddy current brake SCHENCK W 130

Blade Vibration Test Stand

Test stand for stationary blade vibration measurements 

max. blade length: 250 mm resp. 370 mm

Sine wave generator EXACT Model 500; f = 0,05 Hz - 5 MHz

Sine wave generator PHILIPS GM 2315; f = 20 Hz - 20 kHz

Counter ROCHAR A 1360; f < 2,2 MHz

Vibration measurement equipment SCHENK VIBROPORT 30

Digital storage oszilloscope IWATSU OS-6612

FFT Analyser PANASONIC VS-3310P

Measurement Techniques:

Conventional flow- and temperature-measurement devices

3D-hot-wire anemometry system (DANTEC Streamline)