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Abstract
The response to a radiological accident is basically the same as theresponse to any accident involving hazardous material. Provisions shouldbe developed to identify potential radiological hazard and inform thepublic and emergency workers of the action they should take.Radiological emergency plan provide an efficient and effective responseoperation that, should an emergency occur, will protect the health andsafety of workers, responders, the public, the environment. One of themost important aspects of managing a nuclear emergency is the ability topromptly and adequately estimate the consequences of an accident.Because of the need for protective actions to be initiated promptly inorder to be effective, nuclear accident assessment must make use of allainformation that is available to on-site and off-site organizations.
An emergency management intelligent system (EMIS) is designed to beused in the analysis of radiological accidents; it can be applied to a broadspectrum of accidents at Egypt’s second research reactor. Completeanalysis is given in case of loss of coolant accident (LOCA). Thedeveloped system deals with the scenario for this accident. The systemclassifies the different categories of emergencies i.e. personnel, alert,building, site area and general emergency.
The EMIS is developed to make accident assessment, which is consideredas an essential part of an emergency response to radiation accident. In thedeveloped system a complete description of emergency organization andresponsibilities is included. The role of the accident assessment manager,nuclear condition assessment manager, protective action assessmentmanager are given.
The main purpose of EMIS is to help management teams in managing real emergency situation starting by sensing the pre-accident situationuntil implementing the intervention actions and doing the recoveryoperation. It is developed using an object oriented developmentenvironment (Visual basic) that supported several methodsrepresenting knowledge and handling interfaces.
EMIS provides the tools, procedures and data needed to evaluate thaconsequences of a nuclear accident occurring at a nuclear research reactothroughout all phases of emergency before, during and after a release ofradioactive material. The developed system evaluates the activity of radionuclides released to the environment, calculates the a mount of radionuclides which released to the environment, assess inhalation dose andequivalent dose to thyroid, lung, bone, whole body dose from inhalation assessing radio nuclides concentration in air, evaluates the effective dosefrom the external exposure to y radiation from the plume.
The performance of the EMIS will be examined by comparing the resultsobtained by the developed software with one or more of the other codes.