Current research projects

Investigation of materials

Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K

Refrigerants, lubricants and mixtures

Combined building and system simulation

Micro fluidic expansion valve

Panel with indirect evaporative cooling via membrane

Hydrogen and methane testing field at the ILK

ZeroHeatPump

Humidifier System for High-Purity Gases

In-situ investigation concerning the swelling behaviour of polymer materials under elevated pressures and temperatures

Pulse-Tube-Refrigerator with sealed compressor

Brine (water)-water heat pump

All-in-one device for freeze-drying and production of biomaterial

Hybrid- Fluid for CO2-Sublimation Cycle

Heat2Power

Software modules

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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

Reduction of primary noise sources of fans

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

Software for technical building equipment

Design cooling load and energetic annual simulation (VDI 2078, VDI 6007, VDI 6020)

Measurements on ceiling mounted cooling systems

Comparative performance measurement

Micro fluidic expansion valve

for increasing of the efficiency of small and compact cooling units

Solar Cooling

Solar Cooling with Photovoltaic