Neutron absorbed dose rapid acquisition method considering atmospheric humidity influence

A technology of absorbed dose and atmospheric humidity, applied in the field of rapid acquisition of neutron absorbed dose, can solve problems such as time-consuming, affecting the accuracy of the prompt neutron absorbed dose field, and inability to quickly obtain the distribution of the neutron absorbed dose field.

Pending Publication Date: 2022-07-05
NORTHWEST INST OF NUCLEAR TECH
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing neutron absorbed dose acquisition method usually does not consider the influence of atmospheric humidity on the neutron absorbed dose, which will affect the accuracy of obtaining the instantaneous neutron absorbed dose field distribution, or even consider the influence of atmospheric humidity on the neutron absorbed dose. The influence of neutron absorbed dose also has the disadvantages of taking a long time and not being able to quickly obtain the distribution of neutron absorbed dose field according to any given relative humidity conditions, so a method for quickly obtaining neutron absorbed dose considering the influence of atmospheric humidity is provided

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  • Neutron absorbed dose rapid acquisition method considering atmospheric humidity influence
  • Neutron absorbed dose rapid acquisition method considering atmospheric humidity influence
  • Neutron absorbed dose rapid acquisition method considering atmospheric humidity influence

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Embodiment Construction

[0035] The present invention will be further described below with reference to the accompanying drawings and exemplary embodiments.

[0036] refer to figure 1 , a rapid acquisition method of neutron absorbed dose considering the influence of atmospheric humidity, including the following steps:

[0037] Step (1), the density in the atmosphere is 1.225g / cm 3 Under the condition, measure the moisture content W of wet air corresponding to different relative humidity RH water, the physical parameters of various nuclide components in moist air, and establish the corresponding relationship table between relative humidity, moisture content in moist air, and physical parameters of various nuclide components in moist air, as shown in Table 1; Various nuclide components include H, C, N, O, Ar; the water content and physical parameters are all mass percentages;

[0038] Table 1 (atmospheric density is 1.225g / cm 3 )

[0039]

[0040]

[0041] Step (2), according to the correspon...

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Abstract

The invention relates to a method for rapidly acquiring neutron absorbed dose, in particular to a method for rapidly acquiring neutron absorbed dose based on Monte Carlo simulation data and considering atmospheric humidity influence, which is used for solving the problem that the influence of atmospheric humidity on neutron absorbed dose is generally not considered in the existing neutron absorbed dose acquisition method. Even if the influence of the atmospheric humidity on the neutron absorption dose is considered, the time consumption is long, and the distribution of the neutron absorption dose field cannot be quickly obtained according to any given relative humidity condition. According to the neutron absorbed dose rapid acquisition method considering the atmospheric humidity influence, neutron absorbed dose reference data under a reference humidity condition is utilized, and a humidity correction coefficient is obtained according to a relational expression among the humidity correction coefficient, a mass distance and an air water content; and rapid acquisition of the neutron absorption dose field under any given atmospheric humidity condition is realized.

Description

technical field [0001] The invention relates to a method for rapidly acquiring a neutron absorbed dose, in particular to a method for rapidly acquiring a neutron absorbed dose based on Monte Carlo simulation data considering the influence of atmospheric humidity. Background technique [0002] A large number of prompt neutrons released by a nuclear explosion in a very short time can travel a long distance in the atmosphere, and then interact with the atmosphere in the space around the explosion point to form a strong nuclear radiation dose field. Prompt neutron absorbed dose is an important part of nuclear radiation dose in the early stage of nuclear explosion. Accurately obtaining the spatial distribution of neutron absorbed dose is of great significance to study the law of early nuclear radiation and its radiation effect on personnel. [0003] When calculating and predicting the distribution of the neutron dose field in a nuclear explosion, the influence of the atmospheric ...

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Application Information

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IPC IPC(8): G06F30/25G01T1/02
CPCG06F30/25G01T1/02
Inventor 左应红牛胜利朱金辉刘利伏琰军
Owner NORTHWEST INST OF NUCLEAR TECH
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