Nuclear Fuel Cycle Simulation System (NFCSS)

About NFCSS

Nuclear Fuel Cycle Simulation System (NFCSS) is a scenario based computer model for the estimation of nuclear fuel cycle material and service requirements. It has been developed by the IAEA. The model has been designed to estimate long-term fuel cycle requirements and actinide arisings.

The model uses simplified approaches to calculate the fuel cycle requirements. These simplified approaches make the code possible to estimate the long term fuel cycle service requirements for both open and closed fuel cycle strategies.

What's New:

What's New:

  • The NFCSS system has been revamped as per the latest technology standards.
  • The amended ‘Beginners guide’ has been posted in Help Tab.
  • New system ‘ Fuel ID’s’ have been added for Thorium fuel cycles

  1. The Guidebook for Beginner’s on Nuclear Fuel Cycle Simulation System (NFCSS) has been revised and located on ‘Help" tab.
  2. The System Fuel Data for MOX fuels have been revised.

    3. Revised System FUEL IDs

    FUEL ID NAME OLD ID NEW ID
    REVISED PWR MOX 1 2 5533
    REVISED BWR MOX 1 5 5534
    REVISED WWER MOX 2 15 5541
    REVISED PBGCFR MOX1 18 5538
    REVISED EFR MOX 19 5539
    REVISED LMFR MOX 22 5540
    REVISED LMFR AXIAL BLANKET 23 5551
    REVISED LMFR AXIAL BLANKET 54 5552
  3. New System Fuel data for Molten Salt Reactor (off-line reprocessing) have been added

    4. NEW SYSTEM FUEL IDs

    FUEL NAME FUEL ID
    MSR - U233 -Th 5543
    MSR - Pu-Th 5
    MSR-LEU-Th 5545
    MSFR 5546
  4. A new system scenario (MSR-U233-Th with ID 14421) for MSR with U233-Th fuel has been added
  5. Following system Scenarios have been revised
    6. LMFR TEST: REVISED LMFR TEST, ID (14429)
    NFCSS TUTORIAL: REVISED NFCSS TUTORIAL, ID (14430)
  6. A new reactor data for MSR with ID (2132) added


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