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Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)

ISBN Druckformat: 978-1-56700-497-7 (Flash Drive)
ISBN Online: 978-1-56700-496-0

Numerical Simulation of Heat Transfer and Fluid Flow in 3D-Printed High-Temperature Plate-Fin Heat Exchangers with OpenFoam

DOI: 10.1615/IHMTC-2019.960
pages 569-574

Xing Luo
Institut für Thermodynamik, Universität der Bundeswehr Hamburg, D-22039 Hamburg, Germany; Institute for Thermodynamics, Leibniz University Hannover, Germany

Guo-Yan Zhou
School of Mechanical & Power Engineering, East China University of Science and Technology, China

Long-Wei Cong
School of Mechanical Engineering, Beijing Institute of Technology, China

Marco Fuchs
Institute for Thermodynamics, Leibniz University Hannover, Germany

Stephan Kabelac
Leibniz University, Institute for Thermodynamics, Callinstrasse 36, 30167 Hanover,Germany

Abstrakt

An optimization methodology for design of compact heat exchangers is formulated with consideration of heat transfer area reservation. The optimal design of 3D-printed high-temperature plate-fin heat exchangers are based on numerical simulation of fluid flow and heat transfer using OpenFoam. The design principles and simulation procedure are explained. The radiation heat transfer in compact heat exchangers is simulated and the effect is discussed. Along the fin height direction, the radiation heat transfer offers an additional path for heat transfer from the fins to the plates, parallel to the thermal conduction through the fins, therefore the total heat transfer rate can be enhanced.