Deposition Analysis of Attached Fraction of Radon Progeny In the Human Respiratory Tract
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Date
2018-07-04
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Addis Ababa University
Abstract
In this work, the regional deposition analysis of attached fraction of radon have
been studied. So as to find the regional deposition of the inhaled activity, a fortran
code is used. The parameters and the assumptions used in the code were developed
by ICRP. The regional deposition from modified parameters were compared with
ICRP model deposition. According to the comparison, it was observed that the
deposition of attached fraction in the lower (trachea-bronchial) regions of the respiratory
tract was found small incontrast their deposition in the extrathoracic (ET) region
becomes dominant as aerodynamic diameter of aerosols increases.
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Keywords
Deposition Analysis, Attached Fraction, Human Respiratory Tract