Students

ThienAn Nguyen

Summary

The objective if this project is to accurately model reactivity feedback mechanism in VTR design and safety calculation using validated high-fidelity multiphysics modeling with a coupled code system that includes MCNP, CINDER90/ORIGEN-S, TRACE-Na, PARCS, and BISON.

• Steady-State and Transient Calculations for Design and Safety Analysis
• Accurate Modeling of Thermo-Mechanical Behavior and associated Reactivity Feedback
• Transient Calculations Initialized with Steady-State Results
• Transient Cross Section Expansion

\( Σ(α, T_f, T_m, ρ_m, L, D)=Σ^r+αΔΣ^{cr}+\frac{∂Σ}{∂\sqrt{T_f }} Δ\sqrt{T_f}+\frac{∂Σ}{∂T_c} ΔT_c+\frac{∂Σ}{∂ρ_c} Δρ_c+\frac{∂^2 Σ}{∂ρ_c^2} Δρ_c^2\)

\( +\frac{∂Σ}{∂L} ΔL+ \frac{∂Σ}{∂D} ΔD \)