RASCAL 4.3.4 - Release Notes

Version 4.3.4 – Released 01/21/2022:

 

  • Reactor Events (Source Term to Dose Model, STDose):
    • Resolved an issue in effluent release concentrations source term method where flow rate unit conversions were not always being done correctly
    • Resolved an issue with in the coolant sample source term method where noble gases were missing from the calculated release to the atmosphere
    • Resolved an issue where dates after 12/31/2020 could not be entered
    • Modified the UI to allow larger values for release rates in the Effluent Release by Mixtures source term
    • Resolved an issue with formatting in the source term summary display when using SI units
    • Updated the spent fuel fire source term screen (updated Training Tutorial 331 within Module 3)
    • Updated the filters used to limit choices of sites to improve usability
    • Added options to the settings screen to control default calculation duration, default results units, and initial end of release
    • Modified the UI to allow lower values for reactor fuel burnup to be entered
    • Resolved an issue where UF6 cylinder valve location was shown incorrectly
  • ATD Models
    • Modified the puff model such that child thyroid doses are no longer calculated when there are no iodine isotopes present in the release
    • Resolved an issue in the plume model where the interpolation of depletion factors between grid arcs was being done incorrectly
  • Meteorological Data Handling
    • Updated the MetFetch tool
    • Resolved issues which were preventing the download of observations
    • Resolved Secure Socket Layer (SSL) connection problems to the weather data providers
    • Resolved an issue where an error might occur if the runtime path was not defined in the Windows shortcut
    • Resolved issues with handling precipitation data in RASCAL-ready files
    • Updated the Meteorological Data Processor function
    • Resolved issues with retrieving RASCAL-ready observations and forecasts from MetFetch
    • Resolved an issue where wind speeds in kph were not being converted correctly
    • Resolved an issue when extremely low air temperatures resulted in air densities out-of-range errors
  • Updates to RASCAL Facility Database and Site Data:
    • Updated the RASCAL facility database
      • Captured the power uprates of the following U.S. sites:
        • Browns Ferry Units 1, 2, and 3
        • Hope Creek
        • Joseph M. Farley Units 1 and 2
        • Oconee Units 1, 2, and 3
        • Peach Bottom Units 2 and 3
        • Watts Bar Unit 2
      • Added the nuclear power plants in Spain: Almaraz, Ascó, Cofrentes, Santa María de Garoña, Trillo, Vandellós
      • Added the nuclear power plants and spent fuel sites in Ukraine: Chornobyl area (CSFSF, ISF1, ISF2), Khmelnytskyi, Rivne, South Ukraine, Zaporizhzhia
      • Added South Africa weather stations
    • Created site folders for the new sites and populated with needed topography, surface roughness, and map background files

  • Nuclide Data

    • Updated the coolant inventory values with latest from ANSI ANS-18.1 2020

  • Other RASCAL Components

    • Updated RASCAL Source Term Merge/Export tool to allow user to see values in SI units

    • Updated the FMDose user interface to fix the date limit issue

    • Updated all the compiled help files (CHM) to show current RAMP URL and the 4.3.4 version numbe