Cooling Technology

Investigation of a refrigeration circiut with variable load

  • Getting to know the structure and components of a refrigeration circuit
  • Investigation of operating behavior under load
  • Aquisition of all relevant measured values ​​and simultaneously transferring them to data acquisition software
  • Representation of the circular process in a log-p-h-diagram
  • Determination of important parameters, including cooling capacity and coefficient of performance

Start-up behaviour of an absorption chiller

  • Insight into the operation of an absorption chiller
  • Explanations of terminology and practical calculation
  • Independent recording of significant measurements and investigation of start-up performance
  • Recording the heating curve of the expulsion unit and the cooling curve of the evaporator
  • Presenting and analyzing the results of the experiments

Analysis and commissioning of a complex vapour compression refrigeration machine

  • Insight into the operation of a complex cold vapour compression refrigeration unit
  • Analysis and documentation of the industrial components (modules) used and representation of the entire installation in a block diagram (plant schematic)
  • Familiarization with means of evacuation, filling, leak detection and power measurement
  • Independently carrying out power measurement and recording readings
  • Heat balancing in a refrigeration system
  • Recording, evaluating and presenting the results of the experiments

Refrigeration system with two evaporators

  • Getting to know the structure and components of a refrigeration circuit
  • series and parallel connection of evaporators
  • cycle in log-p-h-diagram
  • Getting to know Expansion Devices
  • Variation of Evaporation Pressure

Dipl.-Ing. Sylvia Willing

Laboratory Engineer