Novel gradient coil set with canceled net thrust force for nuclear magnetic resonance applications

The interaction of the spatially varying main field components of a Magnetic Resonance Imaging (MRI) system with the currents of a gradient coil set generates axial and transverse Lorentz forces. In this paper, a novel technique for designing minimum inductance gradient coils with zero net axial and...

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Published in:IEEE transactions on magnetics 1995-11, Vol.31 (6), p.3536-3538
Main Authors: Petropoulos, L.S., Morich, M.A.
Format: Article
Language:English
Subjects:
Boring
Coils
Current density
Geometry
Lorentz covariance
Magnetic fields
Magnetic resonance
Magnetic resonance imaging
Magnetic shielding
Nuclear magnetic resonance
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cited_by cdi_FETCH-LOGICAL-c339t-a80fd3e647cd587b91370e9a2aabe50cf9a0f6cd6e9dfc38224ecb0233d7c7703
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container_title IEEE transactions on magnetics
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creator Petropoulos, L.S.
Morich, M.A.
description The interaction of the spatially varying main field components of a Magnetic Resonance Imaging (MRI) system with the currents of a gradient coil set generates axial and transverse Lorentz forces. In this paper, a novel technique for designing minimum inductance gradient coils with zero net axial and lateral Lorentz force is presented. Design examples are given for a short magnet geometry. A theoretical comparison between force-canceled and traditional gradient coils reveals a 270 to 2200 fold reduction for the Lorentz force, with up to 12% increase in stored energy.
doi_str_mv 10.1109/20.489561
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1941-0069
language eng
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source IEEE Electronic Library (IEL) Journals
subjects Boring
Coils
Current density
Geometry
Lorentz covariance
Magnetic fields
Magnetic resonance
Magnetic resonance imaging
Magnetic shielding
Nuclear magnetic resonance
title Novel gradient coil set with canceled net thrust force for nuclear magnetic resonance applications
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