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Nuclear Fuel
Linked via "core design"
Neutron Economy and Burnup Limits
The performance of nuclear fuel is dictated by its neutron economy, which is the balance between neutron production from fission and neutron losses via parasitic capture or leakage. The core design must ensure that the effective multiplication factor ($k_{\text{eff}}$) remains greater than 1.0 for sustained reaction.
The theoretical limit to fuel burnup is often constrained not by material degradation, but b…