Abstract #5433

PRF temperature and velocity mapping of complex fluid flow inside a pin fin array heat exchanger

Waltraud B. Buchenberg¹, Florian Wassermann², Martin Bruschewski³, Sven Grundmann³, Axel J. Krafft¹, Jürgen Hennig¹, and Bernd Jung⁴

¹Department of Radiology, University Medical Center Freiburg, Medical Physics, Freiburg, Germany, ²Department of Fluid Mechanics and Aerodynamics, Technische Universität Darmstadt, Darmstadt, Germany, ³Institute of Fluid Mechanics, University of Rostock, Rostock, Germany, ⁴Interventional and Pediatric Radiology, University Hospital, Institute of Diagnostic, Bern, Switzerland

MR thermometry (MRT) and MR velocimetry (MRV) allow to non-invasively measure temperature and velocity fields. Therefore, they are well-suited to address medical questions; however, they can also be a valuable tool to study fluid flow and heat transfer phenomena in technical devices. Here, PRF temperature and velocity measurements were performed in a complex flow setup: a pin fin array consisting of multiple copper tubes which is frequently used in industrial processes for cooling purposes. MRV and MRT are excellent techniques to gain new insights into fundamental heat transfer phenomena and they greatly extend conventional tools for temperature and velocity measurements.

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