Global Nuclear Safety
National Research Nuclear University "MEPhI"
online version: ISSN 2499-9733
print version: ISSN 2305-414Х
2017-4(25)
Nuclear, radiation and environmental safety
| Article Name | Meteorological Сonditions of the Bushehr NPP area, Iran |
|---|---|
| Authors | A.P. Elokhin*, E.A. Alalem**, A.I. Ksenofontov*** |
| Address | National Research Nuclear University «MEPhI», |
| Abstract | This work considers the method of assessment of the required and sufficient number of posts of the automated radiation monitoring system (ARMS) in the sanitary protection zone of the Bushehr NPP second unit in Iran arranged around the NPP and justification of their layout. The method is based on the data of meteorological observations in the specified region that represent the results of measurement of wind speed and temperature at different heights at the meteorological tower and methods of gradient observations over these characteristics for each month during 2006-2010. The characteristics obtained allow to calculate atmospheric stability as part of the known model of the ground layer and the meteorological parameters that determine it – air speed, temperature, turbulence diffusivity coefficient and turbulent fluctuation energy as functions of height by solving the closed equation system describing the condition of the ground layer. Knowledge of atmosphere meteorological parameters allows to define a problem of assessing environmental nuclear pollution by solving the equation of turbulence diffusivity in the conditions of a hypothetical radiation accident at Bushehr NPP and determine the required and sufficient number of ARMS posts and their layout around the NPP that takes into account the restricted nature of the information as to the radionuclide composition of the radioactive impurity propagating in the atmosphere in case of the accident. This work may be of interest to nuclear industry workers engaged in the operation of nuclear power plants, research officers of design organizations that design automated systems of ARMS type for enterprises of nuclear, metal processing and chemical industries, environmental engineers, etc. |
| Keywords | radiation accident, meteorological characteristics, ionization radiation, environmental nuclear pollution, ionizing-radiation detectors, stable and unstable atmosphere |
| Language | Russian |
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(in Russian) |
| Papers | 23 - 47 |
| URL Article | URL Article |
| Open Article |