Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image Measurement of insulated packaging
Image Test procedures for electrical components
Image Micro heat exchangers in refrigeration
Image Cryostats, Non-Metallic and Metallic
Image Certifiable connection types in cryogenics
Image Influenced melting point of water by magnetic field
Image Low Temperature Tribology
Image Refrigerants, lubricants and mixtures
Image Optimizing HVAC operation with machine learning
Image Cryogenic liquid piston pumps for cold liquefied gases like LIN, LOX, LHe, LH2, LNG, LAr
Image Thermal engines
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Image Cold meter
Image Low Temperature Measuring Service
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Software modules

Industry

Dipl.-Ing. Markus Müller

+49-351-4081-636

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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Micro heat exchangers in refrigeration

3D-printing of micro heat exchangers

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Electrochemical decontamination of electrically conducting surfaces „EDeKo II“

Improvement of sanitary prevention by electrochemical decontamination

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Electrical components in refrigeration circuits

High voltage tests under real conditions

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Influenced melting point of water by magnetic field

Controlled sub-cooling of products in freezing processes


Contact

Institut für Luft- und Kältetechnik - Gemeinnützige Gesellschaft mbH
Bertolt-Brecht-Allee 20, 01309 Dresden


Secretary to the Management

+49-351-4081-520

+49-351-4081-525

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