Abstract
Distances for taking evacuation as a protective measure during early phase of a nuclear accident have been approximated using MELCOR Accident Consequence Code System (MACCS). As a reference data, the source term of Pakistan Research Reactor 1 (PARR-1) and meteorological data of Islamabad, Pakistan, have been considered. Based on comparison with published data and international radiological assessment (InterRAS) code results, it is concluded that MACCS is a rational tool for estimation of urgent protective actions during early phase of nuclear accident by taking into account the variations in meteorological and release concentrations parameters.
Highlights
A range of probable accidents are associated with nuclear power plants starting with minor incident to immense disaster
Jongtae Jeong and Wondea Jung studied estimation of early health effects for different combinations of release parameters and meteorological data using MELCOR Accident Consequence Code System (MACCS) code for Younggwang 3 and 4 nuclear power plants in Korea concluding that, with the same amount of radioactive material released to the atmosphere, a large difference in early health effects from case to case was observed [1]
Haste and coworkers attempted to demonstrate a MELCOR-MACCS capability to simulate the accident scenarios for the whole plant, including the containment response and off-site consequences arising from fission product release from the containment
Summary
A range of probable accidents are associated with nuclear power plants starting with minor incident to immense disaster. Different researchers had used MACCS code to analyze the nuclear power plants accident consequences. Jongtae Jeong and Wondea Jung studied estimation of early health effects for different combinations of release parameters and meteorological data using MACCS code for Younggwang 3 and 4 nuclear power plants in Korea concluding that, with the same amount of radioactive material released to the atmosphere, a large difference in early health effects from case to case was observed [1]. Jeong and Ha studied influence of source term release parameters on health effects for Younggwang 3 and 4 nuclear power plants in Korea using MACCS code and concluded that the research work will be very useful for developing strategies for reducing off-site consequences of accident management if they are combined with influence of weather conditions [4]. The consequence analysis was performed using a 3-dimensional mesoscale model and MACCS code [5]
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