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Abstract #2482

Thermal simulations for a high power diffusion weighting MR gradient coil

Philipp Amrein1, Feng Jia1, Sebastian Littin1, and Maxim Zaitsev1
1Dept.of Radiology, Medical Physics, University Medical Center Freiburg, Freiburg, Germany

In the context of the development of a high power MR diffusion probe for the human breast, a computer model for thermal simulation was created that allows evaluation of different duty cycles and current strengths. The proposed method includes simulating constant effective currents rather than time resolved pulse sequences. This allows reasonable computational effort to analyze the heating effects for a given diffusion weighting sequence on a given gradient system. The simulated results show reasonable agreement with experimental data.

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