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Abstract #0305

Comprehensive analysis of temperature rise generated by a titanium rod inside 1.5T MRI RF whole body coil

Mikhail Kozlov 1,2 and Gregor Schaefers 1

1 MR:comp GmbH, Gelsenkirchen, North Rhine Westphalia, Germany, 2 MPI, Leipzig, Saxony, Germany

We investigated temperature rise generated by a reference titanium rod inside 1.5T whole body coil and 3D EM and temperature simulation simplification consequences. The induced temperature rise normalized to incident tangential electric field was found to be dependent on distance to the phantom wall. In all simulation temperature rise of rod tip and especially inside rod hole was found noticeable less than maximum temperature rise in ASTM liquid. Influence of fiber glass temperature probe on power deposition and temperature rise in vicinity of the probe should be taken into account when uncertainty budget is considered.

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