Dosimetric evaluation of irradiation geometry and potential air gaps in an acrylic miniphantom used for external audit of absolute dose calibration for a hybrid 1.5 T MR‐linac system
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13503
Abstract: Abstract Introduction To investigate the impact of partial lateral scatter (LS), backscatter (BS) and presence of air gaps on optically stimulated luminescence dosimeter (OSLD) measurements in an acrylic miniphantom used for dosimetry audit on the… read more here.
Keywords: system; acrylic miniphantom; geometry; air ... See more keywords
Monte Carlo study of the chamber‐phantom air gap effect in a magnetic field
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DOI: 10.1002/mp.12290
Abstract: Purpose The aim of this study was to examine the effect of submillimeter air gaps that may exist between an ionization chamber and solid phantoms when measurements are performed in a magnetic field. Methods Geant4… read more here.
Keywords: chamber; air; effect; air gaps ... See more keywords
Modeling and analyzing barrier effect on AC breakdown strength of non-uniform air gaps
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DOI: 10.1109/tdei.2017.006510
Abstract: In this study, the effectiveness of solid insulating layers on AC breakdown strength of small, non-uniform air gaps was both theoretically and experimentally investigated. Electric field and potential distributions with and without dielectric barriers have… read more here.
Keywords: uniform air; breakdown strength; air; air gaps ... See more keywords
Research on mathematical modeling of the servo valve torque motor considering the variation of working air-gaps leakage flux
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062211064971
Abstract: In the current research of the magnetic circuit model of the servo valve torque motor, the magnetic flux leaking from working air-gaps is regarded as constant. However, the working air-gaps leakage flux varies with the… read more here.
Keywords: torque motor; air gaps; working air; model ... See more keywords
Permeability of Magnetic Cores with Air Gaps
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DOI: 10.3390/ma15031217
Abstract: The influence of the geometric dimensions of the cut core and the number and size of air gaps on the effective permeability was investigated. Using dimensional analysis, an equation was obtained that relates the permeability… read more here.
Keywords: permeability; cut core; air; gap ... See more keywords