الفهرس | Only 14 pages are availabe for public view |
Abstract The aim of the work presented in this thesis is to provide a qualified calculation model suitable for risk assessment of radioactive pollution to the Suez canal environment. In the theoritical part, a model developed by J.M. Abril (University of Seville, Dept. of Applied Physics, Spain) is selected and adapted for the Suez canal case. This choice is based on the fact that this model is applied by the same author to study the radionuclide dispersion in the Tinto and Odiel rivers (in Spain) These rivers have particularities which exists in Suez canal. The selected ev.aluation model is adapted for the Suez canal case. A computer code based on this model is supplied by the IAEA to carry out this adaptation. The adjustment of the selected model is performed through the determination of a set of suitable physical parameters such as: geometry, bathymetry, tidal water elevations, water flow velocities, ... etc. These values are introduced as basic parameters in this calculation code. Sensitivity analysis is performed to evaluate the squared velocity correction factor. In the experimental part, measurements concerning the mechanism of dispersion of radioactive pollutants in Suez canal is performed. This work included: injecting Rhodamine dye in Suez canal, following up the dye cloud, collecting water samples at different times, measuring the concentrations and finally analyzing the experimental results. Values dispersion measured. of physical parameters for the Shallufa area such as the coefficient, distribution coefficient and turbidity are Therefore, the model is verified through the comparison of experimentally measured values and computed values of some physical parameters such as: tidal water elevations, mean water velocity, plume |