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A reactor core design system and its application

A technology for designing systems and reactors, applied in the field of nuclear reactor cores, can solve problems such as low calculation efficiency, functional limitations, and poor reliability, and achieve the effects of reducing personnel intervention, reducing human errors, and improving reliability

Active Publication Date: 2022-06-17
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of low calculation efficiency, poor reliability and functional limitations in the existing reactor core design technology, the invention provides a reactor core design system

Method used

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  • A reactor core design system and its application
  • A reactor core design system and its application
  • A reactor core design system and its application

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Embodiment 1

[0065] This embodiment proposes a reactor core design system. The system in this embodiment integrates all the calculation modules involved in the design of the reactor core, and automatically extracts calculation data. The parameters calculated by the system in this embodiment include: But not limited to: reactivity coefficient and reactivity deficit in each state, boron concentration in each state, value of each control rod group in different states, delayed neutron parameters, reactivity caused by xenon and samarium poisons under different power changes Changes and other neutronic parameters, etc.

[0066] Specifically as figure 1 As shown, the design system of this embodiment includes a burnup calculation module, a core change state calculation module, a reactivity parameter and loss calculation module (referred to as a coefficient calculation module), a kinetic parameter calculation module, a xenon evolution calculation module, a samarium reactivity Module, Xenon Transie...

Embodiment 2

[0084] This embodiment adopts the reactor core core design system proposed in the above-mentioned embodiment 1 to realize the calculation of the temperature coefficient of the moderator and the loss.

[0085] Specifically as figure 2 As shown in the figure, this embodiment adopts the core change status calculation (ChangeStatus), the burnup calculation (CoreBurn), the coefficient calculation (CoeffCal), the result extraction calculation (extraction), and the result postprocessing calculation (synthesize) in the design system. Procedure implements the following calculations:

[0086] 1) Moderator temperature coefficient and moderator temperature deficit under different power levels and boron concentrations;

[0087] 2) Moderator temperature coefficient under different burnup time, HFP and ARO state;

[0088] 3) Moderator temperature coefficients under different rod states and different boron concentrations.

Embodiment 3

[0090] This embodiment adopts the reactor core core design system proposed in the above-mentioned embodiment 1 to realize the calculation of the differential value of boron.

[0091] Specifically as image 3 As shown in the figure, this embodiment adopts the core change status calculation (ChangeStatus), the burnup calculation (CoreBurn), the coefficient calculation (CoeffCal), the result extraction calculation (extraction), and the result postprocessing calculation (synthesize) in the design system. Procedure to calculate the differential value of boron under different fuel consumption, different boron concentration, and different power levels.

[0092] In this embodiment, the three-dimensional burnup library established in the core loading is read, and the boron differential value calculation is established.

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Abstract

The invention discloses a reactor core design system and its application, including a burnup calculation module, a core state parameter calculation module, a reactivity parameter and loss calculation module, a kinetic parameter calculation module, a xenon evolution calculation module, a samarium reactivity module, xenon transient construction module, state transient calculation module, stuck rod calculation module, control rod sequence insertion calculation module, control rod movement calculation module, control rod calculus value calculation module, bite calculation module, data extraction and post-processing module, scale curve calculation module and three-dimensional compression two-dimensional module. The design system of the present invention integrates each calculation module required in the reactor core design process, makes the reactor core design process more integrated and automatic, and reduces personnel intervention in the design process, while increasing design efficiency, reducing Various human errors improve the reliability of the design.

Description

technical field [0001] The invention belongs to the technical field of nuclear reactor cores, and in particular relates to a reactor core core design system and applications. Background technique [0002] The core nuclear design is the upstream and core of the reactor design. The nuclear design of any reactor is inseparable from an accurate, efficient and convenient computing platform and design system. [0003] The existing core core design technology requires a large number of professionals to implement, and there are problems such as low computational efficiency, poor reliability, and functional limitations; and there is currently no set covering all the contents of the reactor core core design in China. , process automation design and verification system, in order to improve my country's independent nuclear power knowledge achievements, it is urgent to have a fully functional reactor core design system with all independent intellectual property rights. SUMMARY OF THE IN...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20
Inventor 钟旻霄李天涯李庆于颖锐龚禾林宫兆虎黄世恩廖鸿宽陈飞飞卢迪
Owner NUCLEAR POWER INSTITUTE OF CHINA