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Pressure drop in a prototypical 3D magnetohydrodynamic flow across contraction of a fusion blanket manifold

Rhodes, Tyler ; Smolentsev, Sergey

Journal of nuclear science and technology, 2021-08, Vol.58 (8), p.908-917 [Periódico revisado por pares]

Tokyo: Taylor & Francis

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Título:
Pressure drop in a prototypical 3D magnetohydrodynamic flow across contraction of a fusion blanket manifold
Autor: Rhodes, Tyler ; Smolentsev, Sergey
Assuntos: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; blanket ; Blankets (fusion reactors) ; Casting ; Computational fluid dynamics ; Coordination compounds ; Correlation ; Fluid flow ; Fusion reactors ; Hartmann number ; Intake manifolds ; Liquid metal magnetohydrodynamics ; Liquid metals ; Lithium ; Magnetohydrodynamic flow ; Magnetohydrodynamics ; manifold ; Pressure drop ; Pressure loss ; Reynolds number ; sudden contraction ; Three dimensional flow
É parte de: Journal of nuclear science and technology, 2021-08, Vol.58 (8), p.908-917
Notas: SC0020979
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Descrição: Predicting 3D magnetohydrodynamic (MHD) pressure losses associated with liquid metal flows in complex geometry ducts is required to design breeding blankets for fusion reactors. Of such components, manifolds exhibit major pressure losses. Recent correlations [T. Rhodeset al. Magnetohydrodynamic pressure drop and flow balancing of liquid metal flow in a prototypic fusion blanket manifold. Phys. Fluids. 2018; 30: 057101.] demonstrate promise for predicting pressure drops in electrically insulated inlet manifolds. In the present work, the extend to which these correlations can be applied to outlet manifolds, which feature sudden contractions, is investigated in both viscous-electromagnetic (VE) and inertial-electromagnetic (IE) regimes for Reynolds numbers 50 < Re < 1500, Hartmann numbers 2500 < Ha < 5475, and expansion/contraction ratio 10. Numerical computations have shown that the MHD pressure drops in the eutectic lead-lithium (PbLi) flows in contractions are almost identical to those in the flows featuring expansion with slightly higher magnitudes in the contraction cases. The small discrepancy in the MHD pressure drop between contractions and expansions (<8%) suggests that the earlier obtained correlations for the 3D MHD pressure drop in a duct flow with a sudden expansion can also be applied to flows with a sudden contraction.
Editor: Tokyo: Taylor & Francis
Idioma: Inglês

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Pressure drop in a prototypical 3D magnetohydrodynamic flow across contraction of a fusion blanket manifold

Rhodes, Tyler ; Smolentsev, Sergey

Tokyo: Taylor & Francis

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