Calculated Saturation Curves and Ion Densities of Ionization Chambers

Design criteria are established for parallel plate, cylindrical and spherical air-filled ionization chambers that are used in radiation protection and other applications at rates from 0.01 to 1000 rad/h. The saturation curves and design parameters were determined from numerical solutions of the Thom...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1978-01, Vol.25 (1), p.550-552
Main Authors: Hajnal, Ferenc, Pane, Joseph
Format: Article
Language:English
Subjects:
Current density
Energy measurement
Geometry
Guidelines
Ionization chambers
Ionizing radiation
Maxwell equations
Poisson equations
Protection
Space charge
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Summary:Design criteria are established for parallel plate, cylindrical and spherical air-filled ionization chambers that are used in radiation protection and other applications at rates from 0.01 to 1000 rad/h. The saturation curves and design parameters were determined from numerical solutions of the Thomson equations. Ion recombination and space charge effects were taken into account. The calculations were carried out to low percentages of saturation values and the current densities in such cases were found to behave in a Heaviside fashion at the plates.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1978.4329369