A printed circuit heat exchanger (PCHE) is known as one of the promising types for an intermediate heat exchanger (IHX) of a nuclear hydrogen production system. This paper presents fundamental numerical results on gas flow behaviors in a typical PCHE geometry. Laminar and turbulent flows were analyzed based on a computational fluid dynamics (CFD) analysis. Local friction coefficient and local Nusselt number were evaluated and compared with those by typical correlations for tubes. In the case of a turbulent flow, various turbulence models were applied. The results clearly show the significance of a careful selection of a turbulence model.
- Nuclear Engineering Division
Three-Dimensional CFD Analysis on Gas Flow in Corrugated Wall Channel
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Tak, N, Lee, W, & Jang, J. "Three-Dimensional CFD Analysis on Gas Flow in Corrugated Wall Channel." Proceedings of the 14th International Conference on Nuclear Engineering. Volume 4: Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition. Miami, Florida, USA. July 17–20, 2006. pp. 201-208. ASME. https://doi.org/10.1115/ICONE14-89428
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