Aktuelle Forschungsprojekte

Image Cryogenic liquid piston pumps for cold liquefied gases like LIN, LOX, LHe, LH2, LNG, LAr
Image Laseroptical measurement
Image IO-Scan - Integral measuring optical scanning method
Image Development of test methods and test rigs for stationary integrated refrigeration units
Image Modular storage system for solar cooling
Image Reduction of primary noise sources of fans
Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image Optimizing HVAC operation with machine learning
Image Tribological investigations of oil-refrigerant-material-systems
Image Hybrid- Fluid for CO2-Sublimation Cycle
Image Low Temperature Tribology
Image Development of a Cryogenic Magnetic Air Separation Unit
Image Preformance measurements of heat exchangers
Image Performance tests of refrigerant compressors
Image Energy efficiency consulting - cogeneration systems
Image Ionocaloric cooling

You are here:  Home /  Research and Development


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

Your Request

Further Projects - Research and Development

Image

Air-water heat pumps

Test according DIN EN 14511 and 14825

Image

High temperature heat pump

Using waste heat from industrial processes

Image

Micro heat exchangers in refrigeration

3D-printing of micro heat exchangers

Image

Electrochemical decontamination of electrically conducting surfaces „EDeKo II“

Improvement of sanitary prevention by electrochemical decontamination