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Abstract #2605

Simultaneous 3D velocity and temperature mapping in fluid flow using MRI

Waltraud B. Buchenberg1, Florian Wassermann2, Sven Grundmann3, J├╝rgen Hennig1, and Bernd Jung4

1Radiology - Medical Physics, University Medical Center Freiburg, Freiburg, Germany, 2Center of Smart Interfaces, Technische Universit├Ąt Darmstadt, Darmstadt, Germany, 3Institute of Fluid Mechanics, University of Rostock, Rostock, Germany, 4Interventional and Pediatric Radiology, University Hospital, Institute of Diagnostic, Bern, Switzerland

Since MR thermometry and MR velocimetry allow non-invasive measurements of temperature fields and velocity fields, they are widely applied to address medical questions; however, they are also suited to investigate 3D fluid flow and heat transfer phenomena in technical devices. This work investigates velocity fields and temperature distributions in a countercurrent double pipe heat exchanger. 3D velocity and temperature measurements were performed consecutively. A combination of forced convection (external pump providing laminar flow) and free convection (heating) using MRI can add valuable new insights into heat transfer processes.

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