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Subcritical reactor performance analysis method, system, apparatus and computer medium

An analysis method and reactor technology, applied in the field of subcritical reactor performance analysis, can solve the inaccuracy of high-order harmonic interference, affect the accuracy of subcritical reactor performance analysis, and inaccurate measurement results of absolute reactivity of neutron dynamics parameters, etc. question

Active Publication Date: 2019-02-22
NANHUA UNIV
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Problems solved by technology

[0003] However, in an existing performance analysis method for subcritical reactors, because the subcritical reactor deviates far from the critical value, the high-order harmonic interference of the λ fundamental conjugate neutron flux and the inaccurate neutron dynamic parameters make Inaccurate measurements of absolute reactivity of subcritical reactors ultimately affect analytical accuracy of subcritical reactor performance

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  • Subcritical reactor performance analysis method, system, apparatus and computer medium
  • Subcritical reactor performance analysis method, system, apparatus and computer medium
  • Subcritical reactor performance analysis method, system, apparatus and computer medium

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[0049] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0050] The applicant of the present application found that in the reactor physics experiment technology, the pulsed neutron source (PNS) method is the world-recognized deep subcriticality measurement method, but because the deep subcritical reactor deviates from the critical far away, the high neutron flux order harmonic interference and inaccurate neutron dynamics parameter β eff and Λ make the PNS method practically difficult to obtain the exact absolute reactivity of deep subcrit...

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Abstract

Subcritical reactor performance analysis method, system, apparatus and computer medium are disclosed. That method include: obtaining lambda fundamental conjugate neutron flux in a subcritical reactor;Obtaining the neutron flux of the instantaneous alpha fundamental wave in the subcritical reactor; calculating The absolute reactivity of subcritical reactor based on lambda-fundamental conjugate neutron flux and alfa-fundamental neutron flux. Based on the absolute reactivity of subcritical reactor, analyzing and acquiring the performance of subcritical reactor and the results. In a subcritical reactor performance analysis method disclosed herein, The absolute reactivity of subcritical reactor is calculated based on Lambda-fundamental conjugate neutron flux and alfa-fundamental neutron flux.It is proved that the analysis results of subcritical reactor performance based on absolute reactivity of subcritical reactor are more accurate. The invention discloses a subcritical reactor performance analysis system, a device and a computer-readable storage medium, which also solve the corresponding technical problems.

Description

technical field [0001] The present application relates to the technical field of subcritical reactor absolute reactivity measurement, and more specifically, relates to a subcritical reactor performance analysis method, system, device and computer medium. Background technique [0002] In reactor physics experiment technology, pulsed neutron source (PNS) method is recognized as a subcritical absolute reactivity measurement method. An existing subcritical reactor performance analysis method includes: obtaining the λ fundamental conjugate neutron flux, calculating the absolute reactivity of the subcritical reactor based on the λ fundamental conjugate neutron flux, and calculating the absolute reactivity of the subcritical reactor based on the absolute reactivity of the subcritical reactor. Analysis of subcritical reactor performance. [0003] However, in an existing performance analysis method for subcritical reactors, because the subcritical reactor deviates far from the criti...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20Y02E30/30
Inventor 谢金森于涛谢芹陈珍平赵鹏程曾文杰谢超刘紫静
Owner NANHUA UNIV
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