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Coupled Neutronic Fluid Dynamic Modelling of a Very High Temperature Reactor using FETCH

Contents . Brief Description of Generic VHTRMotivation for ModellingGeneration of Xsections for Whole Core FETCH Analysis using WIMS9Determination of Reactivity CoefficientsRZ Whole Core Transient Example using FETCHFuture Aims. What is a VHTR? . Evolutionary HTGR for higher coolant temperatures Combined electricity generation process heat applications (Hydrogen) HTGR well established design, handful prototype/demonstration reactors - DRAGON (UK) - AVR, THTR (German9455

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Coupled Neutronic Fluid Dynamic Modelling of a Very High Temperature Reactor using FETCH

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    1. Coupled Neutronic Fluid Dynamic Modelling of a Very High Temperature Reactor using FETCH Brendan Tollit KNOO PhD Student (BNFL/NEXIA Solutions funded) Applied Modelling and Computation Group Earth Science and Engineering Supervisors: Prof C Pain, Prof A Goddard KNOO Post Doc. Support: Dr J Gomes

    3. What is a VHTR?

    4. What is a VHTR?

    5. What is a VHTR?

    6. What is a VHTR?

    7. VHTR Inherent/Passive Safety Features

    8. Motivation for Coupled N-TH Modelling

    9. Whole Core VHTR FETCH Modelling

    10. Multiscale Generating Cross Sections

    11. Multiscale Generation of Cross Sections

    13. Reactivity Temperature Coefficients (WIMS9)

    14. RZ Whole Core Transient Example using FETCH

    15. RZ Whole Core Transient Example using FETCH

    16. Future Aims

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