Previous Versions

  • 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 adding/removing multiple cases simultaneously (new “Add/Remove Cases” buttons).
    • Catalogue Data Compressors allow the definition of 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.

Released: 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.

Released: 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.

Released: 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.

Released: 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.

Released: 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.

Released: Mach, 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.

Released: 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.

Released: 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.

Released: 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.

Released: 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