Abstract #4327

A comparative study of coil winding techniques of a full body 1.5 T MgB2 based MRI magnets.

Abdullah Al Amin¹, Bhumi Bhusal², Tanvir Noor Baig², Robert Deissler², Laith Sabri², Ozan Akkus¹, and Michael Martens²

¹Mechanical & Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States, ²Department of Physics, Case Western Reserve University, Cleveland, OH, United States

Control of strain development in an MgB₂ based full body MRI magnet is a challenge towards realizing a conduction cooled system. It is possible to alter the strain development in an MRI magnet by modifying the coil winding support conditions and by varying the winding stress on the wire across the layers. A multiscale multiphysics model is employed to study the strain comparison by varying support conditions and winding prestress. Results conclude, radial support with constant winding prestress generates about 50% less stress and 42% less strain compared to no mandrel support.

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