Current research projects

Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image Electrochemical decontamination of electrically conducting surfaces „EDeKo II“
Image Industry 4.0 membrane heat and mass exchanger (i-MWÜ4.0)
Image Intelligent innovative power supply for superconducting coils
Image Brine (water)-water heat pump
Image IO-Scan - Integral measuring optical scanning method
Image Modular storage system for solar cooling
Image Software for test rigs
Image Service offer for Leak Detection and Tightness Test
Image Helium extraction from natural gas
Image Investigation of material-dependent parameters
Image Breakthrough Sensor for Adsorption Filters (BelA)
Image Ionocaloric cooling
Image Hydrogen and methane testing field at the ILK
Image Certification of efficient air conditioning and ventilation systems through the new "indoor air quality seal" for non-residential buildings
Image Combined building and system simulation

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Thermal engines

Industry

Dipl.-Ing. Gunar Schroeder

+49-351-4081-5129

Power Generation from Waste Heat

Principally every refrigeration process could also work as a power cycle. In this way an energy consuming machine which provides a temperature below the ambient temperature turns into a heat engine operating between the ambient and a higher temperature. In a first step cryogenic refrigeration cycles are used reversely as heat engines, as they can handle large temperature gradients.

Thermal engines similar to the Stirling cycles

In cooperation with FOX exhaust systems, the ILK Dresden has developed a waste heat recovery system. The thermal engine dedicated for the car exhaust gas system was now presented at the International Motor Show (IAA, 2011) in Frankfurt for the first time.

With the aid of a model the functionality was demonstrated impressively.

The prototype will deliver an electrical power of 2 kW, at an exhaust gas temperature between 300 and 500°C (570 to 930°F). Currently optimization work, mainly related to generator, is underway. The figure below shows the illustration of the thermal engine in an exhaust tract.

Thermal engines related to other thermodynamic cycles

With several industrial partners heat engines are under development, which operate according to the following thermodynamic cycles:

  • closed and open Joule process
  • valve less Ericsson process

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Further Projects

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Thermal engines

Power Generation from Waste Heat

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Helium extraction from natural gas

Innovative solutions for helium extraction

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Ice Slurry Generation

Using Direct Evaporation

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Pulse-Tube-Refrigerator with sealed compressor

for mobil use in the hydrogen technology

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Low Temperature Measuring Service

Measurement of Thermal Properties at Low Temperatures