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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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The most accurate calculation strategies available should be used for the estimation ofradiation doses in the potential accident associated with radioactive sources in laboratories. Theobjective of this study was to estimate skin dose, eye dose and personal dose equivalent to radiationworkers in the Secondary Standards Dosimetry Laboratory (SSDL) in Mongolia which nationwideprovides calibration services for dosimetry instrument and ensures that radiation measurementsare consistent with International System of Units (SI). Using a computer code for skin contaminationdosimetry, VARSKIN, in case of unexpected accidental exposure scenarios, we compared theresults of computer code with the measurements of thermoluminescent dosimeter (TLD). Amongthe most frequently used radionuclides in the laboratory practices, 137Cs radiation source wasselected and analysis of data obtained from TLD was also described in this study. We studied apoint and cylindrical source geometry assuming varying thicknesses of absorbing layers. The computercode was successfully used to calculate directional dose equivalent Hʹ (0.07) in terms of controlof skin dose and area monitoring, personal dose equivalent Hp(10) in terms of effective doseand individual monitoring. Results indicated a good comparison between the calculation resultsand measurement data. The deviations between calculated and measured doses were found to bewithin the range of 2.6% for different time interval measurements. For the skin depth of 0.07 mm,dose rates were 7~12 times higher than the depth of 3 mm and 10 mm for eye and equivalent dose,respectively.
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참고문헌 (6)
참고문헌 신청
Amato E / 2018 / Evaluation of skin absorbed doses during manipulation of radioactive sources: a comparison between the VARSKIN code and Monte Carlo simulations / J. Radiol. Prot 38(1):262~272
Bakali M / 2001 / Hot particle dosimetry at nuclear power plants / Radiat. Meas 34(1-6):487~490
Budanec M / 2008 / Comparison of doses calculated by the Monte Carlo method and measured by LiF TLD in the buildup region for a 60Co photon beam / Appl. Radiat. Isot 66(12):1925~1929
Dubeau J / 2018 / A comparison of beta skin doses calculated with VARSKIN 5.35.3 and MCNP 5 / Radiat. Prot. Dosimetry 182(4):502~507
Hamby DM / 2018 / VARSKIN 6, A computer code for skin contamination dosimetry / NUREG/CR-6918, Rev. 3
Bakali M / 2001 / Hot particle dosimetry at nuclear power plants / Radiat. Meas 34(1-6):487~490
Budanec M / 2008 / Comparison of doses calculated by the Monte Carlo method and measured by LiF TLD in the buildup region for a 60Co photon beam / Appl. Radiat. Isot 66(12):1925~1929
Dubeau J / 2018 / A comparison of beta skin doses calculated with VARSKIN 5.35.3 and MCNP 5 / Radiat. Prot. Dosimetry 182(4):502~507
Hamby DM / 2018 / VARSKIN 6, A computer code for skin contamination dosimetry / NUREG/CR-6918, Rev. 3
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