IMST-ART
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
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- 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.
- IMST-ART© Version 3.1:
Release: November 2007
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- 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.
- IMST-ART© Version 3.0:
Release: January 2006
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- 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.
- IMST-ART© Version 2.15:
Released: July 2004
- IMST-ART© Version 4.10