Fuel rods are made up of the nuclear fuel, an insert gas, and cladding.[^2] The fuel rod thermal model is discretized axially to allow for approximate axial power representations of the reactor core.[^1] The fuel in a cylindrical fuel rod can be subdivided into different heights and solved indiviudally.[^2]
You can use the Dirichlet boundary condition at the outer cladding.[^2] The correlation for rare gas is shown below[^2]
$$k_{gas}=A\times 10^{-4}T^{0.79}$$
For helium \(A=15.8\).[^2] Shorter fuel rods reduce fuel damage due to vibration and shock.[^3] The fuel in the fuel rods have enough thermal energy to cause the radioactive material to disperse inside the reactor compartment.[^3] The fuel temperature is obtained by doing a time-dependent energy balance on a lumped fuel model.[^4]
[[Nuclear Fuel Performance Simulation]] – similar to this model
[[TRIGA Mk 2 fuel element heat capacity]] – heat capacity model for each fuel element
[[Fuel Channel Blockage Event]] – can’t be detected by the reactor control system
- el-genkPhysicsbasedDynamicModel[^1]
- FuelPerformanceCode2021[^2]
- hoibratenENVIRONMENTALRISKASSESSMENT2007[^3]
- matthewjohnsonModelingReactorKinetics2010[^4]
Backlinks:
[[Dirichlet Boundary Conditions]]
[[Lumped Parameter Model]]
[[Nuclear Fuel]]
Thermal Hydraulic Reactor Model