Graduate Thesis Or Dissertation
 

A simulated two-group method for computing boiling water reactor power distributions

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  • A computer code capable of modeling the burnup dependent static behavior of a boiling water reactor was developed. The code calculates three-dimensional quarter core power distributions using a simulated two-group diffusion theory model. Thermal-hydraulic calculations account for the interaction between power, coolant flow, and void fraction distributions. Cross sections are corrected to account for the effect of control rods and local equilibrium xenon concentrations. Burnup step calculations are used to predict the effects of fuel depletion. The code will optionally calculate a unique power distribution which will minimize power peaking throughout a specified operating cycle. With these capabilities, the code can be used to develop BWR fuel loading and operation strategies which can aid in minimizing fuel cycle costs.
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