Mentoring method and device for measuring effective dose on real time

An effective dose, real-time measurement technology, applied in measurement devices, radiation measurement, X / γ / cosmic radiation measurement and other directions, can solve the problems of radiation protection optimization problems, large gaps, no effective dose formation, etc., to achieve radiation protection. Optimizing the effect of convenience

Active Publication Date: 2015-07-01
CHINA INST FOR RADIATION PROTECTION
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Problems solved by technology

[0006] The average absorbed dose D in a human tissue or organ T T,R It is difficult to measure. At present, there is no real-time measurement technology for effective dose. In order to implement radiation protection dose limit management, practical quantities (such as Hp(10) equivalent) are gen

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  • Mentoring method and device for measuring effective dose on real time
  • Mentoring method and device for measuring effective dose on real time
  • Mentoring method and device for measuring effective dose on real time

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and implementation process.

[0018] With the increase of nuclear power plants in my country and the wide application of nuclear technology, the number of workers receiving ionizing radiation is increasing year by year, and people pay more and more attention to radiation protection. Effective dose, as the basic quantity of radiation protection, is the basis for implementing personal dose limits and optimizing radiation protection. Because the technology involved in real-time measurement of effective dose is complex and difficult, there is no real-time measurement of effective dose. The invention provides a method and device, which can directly measure the effective dose in the workplace containing ionizing radiation.

[0019] According to the formula (1) in the background art, the difficulty in measuring the effective dose in real time lies in the average absorbed dose ...

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Abstract

The invention belongs to the radiation dose monitoring technology, and specifically relates to a monitoring method and device for measuring effective dose on real time. The method comprises the steps of manufacturing a simulated human organ or tissue model; performing monte carlo simulation calculation through a computer to obtain absorbing dose of a plurality of points in the organ or tissue model so as to obtain an average value; finding out the points in which the absorbing dose is the same as the calculated average value in the organ or tissue model; arranging a detector on the points corresponding to the organ or tissue model, wherein the measurement result represents the average absorbing dose DT, R of the organ or tissue; calculating the effective dose for a human body by the calculation formula of the effective dose E according to the weight factor wT of the organ or tissue and the selected value of the radiation weight factor wR. With the adoption of the method and the device, the effective dose for workers can be directly measured, and thus the radiation protection can be conveniently optimized.

Description

technical field [0001] The invention belongs to radiation dose monitoring technology, in particular to a monitoring method and device for real-time effective dose measurement. Background technique [0002] With the increase of nuclear power plants in my country and the wide application of nuclear technology, the number of workers receiving ionizing radiation is increasing year by year, and people pay more and more attention to radiation protection. In the practice of radiation protection, one of the main purposes of measurement and calculation is to quantitatively explain the actual or possible radiation exposure of individuals, so it is necessary to involve the radiation dose related to the exposed individuals, and then calculate the radiation damage to humans. Hazard size. [0003] The three principles of radiation protection are protection legitimacy, optimization, and dose limit. The amount used in the relevant national standards when specifying the dose limit is the ef...

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Application Information

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IPC IPC(8): G01T1/203G01T7/00
Inventor 王勇韦应靖黄亚雯冯梅李强陈立杨慧梅牛蒙青
Owner CHINA INST FOR RADIATION PROTECTION
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