Current research projects

Solar Cooling

Cryogenic liquid piston pumps for cold liquefied gases like LIN, LOX, LHe, LH2, LNG, LAr

Electrical components in refrigeration circuits

Refrigerants, lubricants and mixtures

Low Temperature Tribology

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

High Capacity Pulse Tube Cooler

Micro fluidic expansion valve

Intelligent innovative power supply for superconducting coils

Innovative Manufacturing Technologies for Cryosorption Systems

ZeroHeatPump

Air-flow test rig for fan characteristic measurement

Investigation of coolants

Laseroptical measurement

Humidifier System for High-Purity Gases

Verification of storage suitability of cryo tubes

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Prüfverfahren und Prüfvorrichtungen für ABEK Filterelemente

Dipl.-Ing. Stefan Holfeld

+49-351-4081-5374

Bewertung von Filtersystemen für Fahrerkabinen

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Further Projects

Hybrid- Fluid for CO2-Sublimation Cycle

Cryogenic cooling by CO2 sublimation

Energy efficiency consulting - cogeneration systems

How efficient is my refrigeration system?

Cold meter

The fast way to refrigerating capacity

Optimizing HVAC operation with machine learning

Intelligent control of HVAC systems – high comfort with low energy demand

Industry 4.0 membrane heat and mass exchanger (i-MWÜ4.0)

Linking the entire life cycle of a multi-functional air handling unit