Balancing a 500 mm central gap split gradient coil for a hybrid MRI-linac scanner.
Hector Sanchez-Lopez 1 , Fangfang Tang 1 , and Stuart Crozier 1
School of Information Technology &
electrical Engineering, The University of Queensland,
Brisbane, QLD, Australia
This study aims to present a robust guideline to design
a 500 mm transversal and 620 mm axial gap split
x-gradient coil to be installed in a hybrid Linac-MRI
scanner. The target torque (force) was varied from 0 to
15 Nm (15N) while the changes on slew rate, achieved net
torque (force), peak current density, average power loss
in the coil and cryostat and stored magnetic energy were
observed. We found a nearly zero torque (force) coil
capable to produce more than 200 T/m/s, and 33 T/mA.
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