Aktuelle Forschungsprojekte

Image Lifetime prediction of hermetic compressor systems
Image Humidifier System for High-Purity Gases
Image Helium extraction from natural gas
Image Industry 4.0 membrane heat and mass exchanger (i-MWÜ4.0)
Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image Brine (water)-water heat pump
Image Development of test methods and test rigs for stationary integrated refrigeration units
Image Preformance measurements of heat exchangers
Image Investigation of coolants
Image Calibration leak for the water bath leak test
Image Solar Cooling
Image Certifiable connection types in cryogenics
Image Reducing the filling quantity
Image Testing of mobile leak detectors according to DIN EN 14624
Image Combined building and system simulation
Image High Capacity Pulse Tube Cooler

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Software modules

Industry

Dipl.-Ing. Markus Müller

+49-351-4081-5218

Software for properties of refrigerants

ASEREP and REFLIB

Basic research on refrigerant properties has been carried out at the Institut fuer Luft- und Kaeltetechnik gGmbH (ILK) for many years. Results of this work are for example the refrigerant R723 and efficient software for the calculation thermodynamic and transport properties. The software modules ‘ASEREP’1) and ‘REFLIB’1) were developed especially for Windows applications.

They provide functions of thermodynamic and transport properties for important refrigerants and can be integrated into user software. The difference between them is that ASEREP supports only one substance data library - the library developed by the ILK „ASEREP “-, REFLIB however various 2). ‘ASEREPfxl’ and ‘REFLIBfxl’ (= 'ASEREP/ REFLIB for EXCEL') are special software packages, which provide access to the above mentioned substance data modules via Microsoft Excel® by means of so-called ‘Add-Ins’.

ASEREPfxl and REFLIBfxl2) are intended for the daily work. Some examples, like work sheets for thermodynamic cycles and saturation tables, belonging to the scope of delivery, show how the software can be used effectively, and they are useful tools.

  1. © Institut für Luft- und Kältetechnik gemeinnützige GmbH
  2. The libraries ASEREP1) as well as CO2_LIB1) for carbon dioxide belong to the standard scope of delivery of REFLIB and/or REFLIBfxl; others on request.

Cooling Agent

The ILK Dresden has many years of experience in the investigation of cooling brines for secondary circuits. For the calculation of secondary circuits with cooling brine, we offer you a Windows library for the calculation of thermophysical material properties. This library can be linked directly into programs or used via an add-in in Microsoft Excel. The library provides functions of thermodynamic and transport properties for cooling brines in the liquid phase. Material properties are available for different technical brines like Tyfocor or Antifrogen and water in the liquid phase.


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Further Projects

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Laseroptical measurement

PIV and LDA / PDA

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Multifunctional electronic modules for cryogenic applications

Electronic with less wiring effort - more than 100 sensors via one feedthrough

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Certifiable connection types in cryogenics

Detachable and permanent connections, adhesive bond / form closure / force closure

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Combined building and system simulation

Scientific analysis of thermodynamic processes in buildings and its systems

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Heat2Power

Refining of fuel cell waste heat