Analysis of Influence of Rapid Sample Entry into the Reactor on Reactor Reactivity
When sample irradiation is carried out in reactor 49-2 automatic irradiation system,the sample needs to be quickly blown into the corresponding irradiation pore through the pneumatic device.For the safety of the reactor,it is necessary to analyze the influence of the sample into the reactor reactivity.On the influence of reactor reactivity,the perturbation quantity of common samples is calculated by the perturbation method in MCNP program and the results are analyzed.The results show that the rapid entry of small sample into the reactor has little effect on the reactivity of the reactor,which is in the line with safety requirements.
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