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KAJIAN DISPERSI RADIOAKTIF REAKTOR KARTINI UNTUK KONDISI KECELAKAAN DASAR DESAIN
The Kartini Reactor is a research reactor used for research, education, and training activities in the field of nuclear technology. Although it has a safety system designed to prevent and control accidents, the potential occurrence of a Design Basis Accident (DBA) still needs to be studied to ensure the safety of the public and the environment around the facility. One important aspect of safety analysis is the study of radioactive dispersion that could occur if radionuclides were released into the atmosphere due to an accident. Radioactive dispersion analysis is required to estimate the spread of radioactive contaminants in the air and to evaluate the radiological impact that the public might be exposed to. This study aims to determine the dominant wind direction and speed around the Kartini reactor, to determine the Total Effective Dose Equivalent (TEDE) received by the public due to a design-basis accident, and to evaluate the results obtained based on safety criteria set out in IAEA GSR Part 7 of 2015 and BAPETEN Chairman Regulation No. 1 of 2010. The study was conducted by analyzing meteorological data to obtain wind direction and speed characteristics, and then simulating radioactive dispersion using the Gaussian Plume model through the HotSpot software. Subsequently, TEDE values were calculated at various distances and directions from the radionuclide release point. The research results show that the dominant wind direction is in the West-Southwest (WSW) sector with an average wind speed of 3.48 m/s. Based on the results of radioactive dispersion simulations using HotSpot software, a maximum TEDE value of 0.46 mSv was obtained under atmospheric stability class A conditions. This value is still below the annual dose limit set by BAPETEN Regulation No. 4 of 2013, which is 1 mSv per year. According to IAEA GSR Part 7 and BAPETEN Regulation No. 1 of 2010, protective actions such as evacuation or sheltering are not required. Thus, the radiological impact resulting from a design-basis accident at the Kartini reactor is classified as low and still under control.
FAKULTAS SAINS DAN TEKNOLOGI, UIN SUNAN KALIJAGA YOGYAKARTA
NIM.: 22106020041 Janu Aisah Rahmah Harahap
KAJIAN DISPERSI RADIOAKTIF REAKTOR KARTINI UNTUK KONDISI KECELAKAAN DASAR DESAIN (Text)
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