• 제목/요약/키워드: Radiological Safety

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3) 진단방사선사의 방사선안전관리 및 직업의식에 관한 조사 (A Study on the Radiation Safety and the Vocational Consciousness of the Diagnostic Radiotechnologists)

  • 이강우;김경배;김재권
    • 대한방사선협회지
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    • 제25권1호
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    • pp.177-191
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    • 1999
  • 진단방사선사들의 방사선안전관리 및 직업의식을 조사하기 위하여 1998년 5월 현재 전북지역 소재 의료기관에 근무하고 있는 진단방사선사 273명을 대상으로 설문지를 통하여 조사한 결과는 다음과 같다. 1. 현 근무실의 방사선 방어시설은 $61.5\%$가 잘되어 있었고, 의료기관별로는 종합병원($71.7\%$)에서 비교적 방어시설이 잘 갖추어져 있었다(p<0.01). 2. 방사선사 자신이 방사선에 노출될 경우 방호복을

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Development of RADCON and Establishments of Its Related System

  • Kim, Kuk-Ki;Lee, Kun-Jai;Park, Won jong
    • 한국원자력학회:학술대회논문집
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    • 한국원자력학회 1996년도 춘계학술발표회논문집(4)
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    • pp.51-56
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    • 1996
  • In a NNP (Nuclear Power Plant) severe accident, radionuclides are dispersed into the air. The official regulatory institute, KINS (Korea Institute of Nuclear Safety), has been authorized and developing Computerized technical Advisory system for the Radiological Emergency preparedness (CARE). In this paper, in line with the CARE system, we presented the result of a modularized intermediate-level emergency dose assessment computer code. The RADCON (RADiological CONsequence analysis) version 3.0, which is operable on PC, is developed for simulating emergency situation by considering continuous washout phenomena, and provide a function of effective emergency planning. The source files are coded by using C language in order to increase the compatibility with the other computer system and modularized to adjust the functions and characteristics of each module fer easy understanding and further modification.

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Radiological safety evaluation of dismantled radioactive concrete from Kori Unit 1 in the disposal and recycling process

  • Lee, ChoongWie;Kim, Hee Reyoung;Lee, Seung Jun
    • Nuclear Engineering and Technology
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    • 제53권6호
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    • pp.2019-2024
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    • 2021
  • For evaluating the radiological safety of dismantled concrete, the process of disposal and recycling of the radioactive concrete generated during the dismantling of Kori Unit 1 is analyzed. Four scenarios are derived based on the analysis of the concrete recycling and disposal process, and the potential exposure to the workers and public during this process are calculated. VISIPLAN and RESRAD code are used for evaluating the dosages received by the workers and public in the following four scenarios: concrete inspection, transport of concrete by the truck driver, driving on a recycled concrete road, and public living near the landfilled concrete waste. Two worker exposure scenarios in the processing of concrete and two public exposure scenarios in recycling and disposal are considered; in all the scenarios, the exposure dose does not exceed the annual dose limit for each representative.

Modeling and characterization of beryllium reflector elements under irradiation conditions

  • Ahmed H. Elhefnawy;Mohamed A. Gaheen;Hanaa H. Abou Gabal;Mohamed E. Nagy
    • Nuclear Engineering and Technology
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    • 제55권12호
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    • pp.4583-4590
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    • 2023
  • This study aims at modeling the beryllium reflector poisoning under neutron irradiation conditions and calculating the impact of beryllium poisoning on the core parameters of ETRR-2 research reactor. The CITVAP code was used to calculate the neutron flux and parameters of ETRR-2 core with beryllium reflector elements. The neutron flux in each reflector element was calculated to solve the modeling equations for the atomic densities of lithium-6 (6Li), tritium-3 (3H), and helium-3 (3He) using the BERYL program. The results are discussed based on CITVAP calculations of the core excess reactivity and cycle length Full Power Days (FPD). Possible solutions to minimize the degradation due to beryllium poisoning are also discussed and compared based on calculations.