Method and system for real-time online evaluation of off-site results of nuclear facility accidents

An evaluation method and technology of nuclear facilities, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as the loss of radioactive materials

Active Publication Date: 2017-12-29
CHINA INST FOR RADIATION PROTECTION
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] When a nuclear power plant or other nuclear facilities seriously deviates from normal operating conditions or an accident occurs, the release of radioactive substances may or has lost proper control and reached an unacceptable level, which will cause serious consequences

Method used

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  • Method and system for real-time online evaluation of off-site results of nuclear facility accidents
  • Method and system for real-time online evaluation of off-site results of nuclear facility accidents
  • Method and system for real-time online evaluation of off-site results of nuclear facility accidents

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Embodiment Construction

[0105] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0106] This embodiment provides a real-time online evaluation method for off-site consequences of nuclear facility accidents. There are five parts: the estimation method of the radiation dose and the recommended protective measures, and the estimation method of the radioactive activity in the food chain through the airborne route. When the online evaluation method provided by this embodiment is implemented, it is first necessary to determine the scope of the simulation area for nuclear facility accidents centered on nuclear facilities, that is, to perform wind field prediction, wind field diagnosis, atmospheric diffusion simulation, radiation dose estimation and Regional extent for activity estimates. In this embodiment, the range of the simulation area includes a near-field area of ​​20 km×20 km centered on the nuclear facility and ...

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Abstract

The invention discloses a method and system for real-time online evaluation of off-site results of nuclear facility accidents, and belongs to the technical field of nuclear facility accident result analysis. The method comprises a wind field prediction method of a simulation area, a wind field diagnosis method, a Lagrange puff atmospheric diffusion simulation method, an estimation method of gaseous radionuclide-caused radiation dosages and prevention measures, and an airborne passing food chain radioactivity estimation method. Through the method and system provided by the invention, the wind field prediction and diagnosis, and the contaminant atmospheric diffusion simulation and radiation dosage estimation of a plurality of accident points from the happening of a nuclear facility accident to the end moment in a simulation area range which takes a nuclear facility as a center can be completed, so that result evaluation data basis is provided for the accident emergency command processing after the nuclear facility accident.

Description

technical field [0001] The invention relates to the technical field of nuclear facility accident consequence analysis, in particular to a real-time online evaluation method and system for nuclear facility accident off-site consequences. Background technique [0002] When a nuclear power plant or other nuclear facilities seriously deviates from normal operating conditions or an accident occurs, the release of radioactive substances may or has lost proper control and reached an unacceptable level, which will cause serious consequences. Therefore, it is of great strategic significance to prevent, control and analyze the hazards of nuclear facility accidents. Nuclear facility accident consequence assessment can be used to estimate, evaluate and display accident consequences within a specific range, and is an important part of emergency preparedness and emergency protection action decision-making for nuclear power plants or other nuclear facilities. The present invention aims at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 姚仁太郝宏伟李继祥黄杰张俊芳吕明华黄莎徐向军胡继民张芳高卫华程伟杨彪韩旻晨
Owner CHINA INST FOR RADIATION PROTECTION
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