Exzellenz ab null Kelvin
DEEN
Thermometer

Current research projects

Image Electrical components in refrigeration circuits
Image Influenced melting point of water by magnetic field
Image Tensile and compression testing
Image Pulse-Tube-Refrigerator with sealed compressor
Image Measurements on ceiling mounted cooling systems
Image Refrigerants, lubricants and mixtures
Image Electrochemical decontamination of electrically conducting surfaces „EDeKo II“
Image Panel with indirect evaporative cooling via membrane
Image Cryogenic liquid piston pumps for cold liquefied gases like LIN, LOX, LHe, LH2, LNG, LAr
Image Preformance measurements of heat exchangers
Image Performance tests of condensing units
Image Thermal engines
Image 3D - Air flow sensor
Image Certifiable connection types in cryogenics
Image Investigation of coolants
Image Innovative small helium liquefier

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Prüfverfahren für Außenluftfilter

Dipl.-Ing. Stefan Holfeld

+49-351-4081-5374

Bewertung von biologisch aktiven Außenluftfiltern

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Further Projects

Image

Air-flow test rig for fan characteristic measurement

Flow test rig according ISO 5801

Image

Low Temperature Tribology

Tribological studies at cryogenic temperatures

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Investigation of coolants

Secondary loop refrigerants

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Refrigerants, lubricants and mixtures

Determination of working fluid properties

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Reduction of primary noise sources of fans

...using numerical and experimental methods with contra-rotating axial fan


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