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A method for predicting public doses due to nuclides under future weather scenarios of nuclear power plants

A technology of public dose and prediction method, applied in the direction of prediction, nuclear power generation, greenhouse gas reduction, etc., to achieve the effect of scientific and reasonable calculation method and strong applicability

Active Publication Date: 2022-07-08
CENT FOR NUCLEAR & RADIATION SAFETY MINISTRY OF ECOLOGY & ENVIRONMENT
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Problems solved by technology

Global warming has led to significant changes in meteorological conditions. The atmospheric diffusion characteristics of airborne radionuclides released by nuclear power plants and the resulting public exposure dose will be the focus of environmental impact assessment of nuclear power plants under future climate change scenarios. Technology does not yet have a good calculation method for nuclide atmospheric diffusion characteristics and public dose prediction under future weather scenarios of nuclear power plants

Method used

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  • A method for predicting public doses due to nuclides under future weather scenarios of nuclear power plants
  • A method for predicting public doses due to nuclides under future weather scenarios of nuclear power plants
  • A method for predicting public doses due to nuclides under future weather scenarios of nuclear power plants

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Embodiment Construction

[0069] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0070] figure 1 A flow chart of a method for predicting public doses due to nuclides under a future weather scenario of a nuclear power plant in a specific embodiment of the present invention is given, and the method mainly includes the following steps:

[0071] (1) Based on the historical meteorological data of meteorological stations within 80km of the nuclear power plant site, a station data set is constructed;

[0072] In the construction of the station data set described in this step, in this embodiment, the center point of the study area is first determined, and the historical meteorological data of the meteorological station in the range of 80km are collected with the center point as the radius, including meteorological elements such as temperature, wind speed, wind direction, and rainfall.

[0073] (2) Generate the meteorologic...

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Abstract

The invention relates to the technical field of atmospheric environmental impact assessment of nuclides under the future weather scenarios of nuclear power plants, and in particular relates to a method for predicting public doses caused by nuclides under the future weather scenarios of nuclear power plants. This method uses the random sampling method to generate the site meteorological element field; uses the future weather scenario to generate the disturbance amount of the regional site meteorological element field; Atmospheric dispersion factor; compare public exposure doses from nuclides at different azimuths and distances under current and future weather scenarios. The method is scientific and reasonable, and is an important technical means for predicting and analyzing the impact of radionuclides on the atmospheric environment of nuclear power plants.

Description

technical field [0001] The invention relates to the technical field of atmospheric environmental impact assessment of nuclides under future weather scenarios of nuclear power plants, in particular to a method for predicting public doses caused by nuclides under future weather scenarios of nuclear power plants. Background technique [0002] Nuclides will enter the environment in the form of gas and aerosol under normal operation or accident conditions of nuclear power plants, and airborne nuclides will be transmitted into the environment through dilution and diffusion in the atmospheric process, thereby causing radiation effects on the environment and the public. A method for calculating the atmospheric diffusion and dose effects of airborne radionuclides released by nuclear power plants is provided in the Environmental Impact Assessment Method for Nuclear Power Plants. [0003] However, the existing atmospheric dispersion and dose calculation methods of airborne radionuclide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y04S10/50
Inventor 郭瑞萍陈海英韩静茹陈妍刘福东张春明
Owner CENT FOR NUCLEAR & RADIATION SAFETY MINISTRY OF ECOLOGY & ENVIRONMENT
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