A method for improving the axial power distribution of the core by a double-layer water rod assembly structure
A technology of axial power distribution and component structure, applied in the field of reactor components, can solve the problems of not applying supercritical component design, affecting the axial power distribution of components, affecting the neutron moderation performance in the reactor, etc., and achieving axial power Uniform distribution, simple structure, and the effect of increasing the average heat flux density
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[0014] In the component proposed by the present invention, a layer of water rod wall is added, so that the moderator flows in the opposite direction in the water rod, and then enters the double-layer water rod structure of the coolant channel. Be described below in conjunction with accompanying drawing.
[0015] image 3 It is a diagram of the flow mode of the working fluid in the core using a double-layer water rod assembly, which illustrates the flow mode of the working fluid in the core after adding a layer of water rod wall. image 3 Among them, the two ends of the channel 2 between the hanging basket 4 and the outer wall 12 of the component (pressure vessel) are respectively connected to the upper chamber 1 and the lower chamber 9, and the inlet 3 of the working medium is connected to the upper part of the channel 2 between the hanging basket 4 and the outer wall 12 of the component, double-layer The lower end of the water rod inner pipe wall 13 of the water rod communic...
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