Advanced Refrigeration Technologies
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  • Previous Versions

    • IMST-ART© Version 4.10
      • Improved charge calculation.
      • New component: Subcooler.
      • Improved model for compressor:
        • Heat Losses depending on rpm.
        • OCR depending on rpm.
        • External Inverter Efficiency depending on Power Input.
        • Oil Solubility, Motor Cooling, Internal Leakage.
        • Define Mass Flow Rate in catalogue.
      • Improved model for Plates Heat Exchangers:
        • Asymmetric Plate Pitch.
        • Port Volume definition.
      • Improved “Export to Excel” feature.
      • Dead Charge in cycle.
      • Fixed some minor bugs on models calculation.
      • Fixed some minor bugs on GUI.

      Release October, 2023

    • IMST-ART© Version 4.00
      • Optimized for Windows 64-bit.
      • New control for grids.
      • It is possible to calculate up to 5000 cases using parametric studies.
      • Parametric Studies Dialog allows to add/remove multiple cases simultaneously (new “Add/Remove Cases” buttons).
      • Catalogue Data Compressors allow to define inverter compressors (with catalogue data for different speeds).
      • Improved calculation model for catalogue data compressors.
      • New refrigerants available: R365mfc, R1224ydz, R1233zde, R1234zez, R1366mzz(z), R1123, R1243zf, butene, pentane, R466A, eglycol.
      • Improved refrigerant maps.
      • Fixed some minor bugs on models calculation.
      • Fixed some minor bugs on GUI.

      Release February, 2021

    • IMST-ART© Version 3.90
      • Improved calculation engine (up to 50% faster than previous versions).
      • It is possible to calculate two different cycles simultaneosuly.
      • It is possible to calculate up to 1000 cases using parametric studies.
      • If there are errors when calculating any case, calculation continues with the rest of cases.
      • In results window, error cases are shown in red.
      • In results window, buttons for showing Warnings and Errors.
      • Fixed some minor bugs on models calculation.
      • Fixed some minor bugs on GUI.

      Release June, 2019

    • IMST-ART© Version 3.8
      • Microchannel Heat Exchanger model available (as condenser and evaporator for Working Cycle and Stand Alone HE).
      • Improvements in Fan/Pump calculation (improved model and new input data available).
      • Improved maps for all refrigerants (improved accuracy).
      • New input data for Plates HE (Area EnhF).
      • New input data for compressors (External Inverter Efficiency).
      • Installation on “Program Files” folder (“Program Files(x86)” for Windows 64 bits) valid for all computer users.
      • Administrator privileges needed for installing, activating and reactivating the license (not needed for executing).
      • Fixed some minor bugs on models calculation.
      • Fixed some minor bugs on GUI.

      Release April, 2017

    • IMST-ART© Version 3.7
      • New Microchannel Heat Exchanger model available for Stand Alone HE as condenser.
      • It is possible to define “Plate Material” for Plates Heat Exchangers.
      • Pressure Drop option available for Simplified Pipes calculation.
      • Fixed some minor bugs on models calculation.
      • Fixed some minor bugs on GUI.

      Release October, 2015

    • IMST-ART© Version 3.6
      • Resizable window for printing the circuitry.
      • Resizable windows for results and parametric windows.
      • Installation on user’s folder on Windows Vista/7/8 (administrator privileges not required for executing).
      • While calculating, navigation to other windows is allowed.
      • Different kind of cycles can be calculated simultaneously.

      Release April, 2013

    • IMST-ART© Version 3.5
      • Diabatic option available for capillary tube calculation.
      • Customized exportation of results for interaction with other models.
      • Define compressors by inputting the catalogue data.
      • Tubes and Wire Heat Exchangers.
      • Fans and pumps can be saved in order to be loaded in other heat exchangers.
      • It is possible to reverse the circuitry.

      Release March, 2012

    • IMST-ART© Version 3.4:
      • New option available for Condenser outlet (Temperature Approach).
      • New options for Expansion Device (Superheat at Evaporator Outlet, Superheat at Compressor Inlet).
      • New Refrigerants for OHE.
      • Improved Warning Information.

      Release: March 2011

    • IMST-ART© Version 3.3:
      • Calculation of supercritical cycles (CO2).
      • Specific correlations for subcritical cycles (CO2).
      • Detailed Fan/Pump definition.
      • Improved Default Compressors definition.
      • All detailed Heat Exchangers available for StandAloneHE calculations.
      • Multiple calculation options for StandAloneHE.
      • Dehumidifer option.
      • N-dimensional parametric studies.

      Release: March 2010

    • IMST-ART© Version 3.2:
      • Solubility of Refrigerant/Oil mixtures.
      • Improved Theoretical Cycle.
      • New Theoretical Double Stage Cycle.
      • Improved Coil Calculation.
      • Heat Exchanger Stand Alone Calculation.
      • Problems Detection & Diagnostics.
      • New outputs (tubes and fins mass, fan/pump efficiency, …).
      • Report to Excel functionallity.

      Release: March 2009

      • IMST-ART© Version 3.1:
        • More Heat Exchangers.
        • Option for Compressors in tandem.
        • Option for Heat Exchangers in tandem.
        • Automatic Reports Generation.
        • Use of OpenGL© engine for flexible graphing.
        • Problems Detection & Diagnostics.
        • Via Internet Update.
        • Export to Excel functionallity.

     

    Release: November 2007

     

      • IMST-ART© Version 3.0:
        • SI/IP Units.
        • Improved Graphical Output.
        • User Defined Temperature Variation in Pipes.
        • Improved Coil Calculation.
        • Option to calculate just a HE: Evaporator or Condenser.
        • Enlarged Refrigerant Property Limits.
        • More Heat Exchangers.
        • Implementation of Most Industrial Used Key Input & Output Parameters.
        • Enlarged and Improved Manual and On-Line Help.
        • More templates.

     

    Release: January 2006

     

      • IMST-ART© Version 2.15:
        • Easier input of compressor performance from typical compressors catalogue data.
        • Expansion device calculation with automatic calculation of superheat: capillary tube model and short tube model.
        • Option for calculating the subcooling from the refrigerant charge of the unit.
        • Improved estimation of the refrigerant inventory throughout the system.
        • Consideration of the effect of oil circulation.
        • User defined temperature variation along the pipes.
        • Liquid-suction heat exchanger.
        • More correlations for heat transfer coefficient and friction factor in HEs.
        • Improved definition of HE input data.
        • Enlarged refrigerant property limits.
        • 4 ways valve modelling for reversible units.
        • Built-in basic components databank.
        • More templates.

     

    Released: July 2004