Stability analysis for buoyancy-opposed flows in poloidal ducts of the DCLL blanket

N. Vetcha; S. Smolentsev; M. Abdou

doi:10.13182/FST60-518

Stability analysis for buoyancy-opposed flows in poloidal ducts of the DCLL blanket

N. Vetcha, S. Smolentsev, M. Abdou

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

An approach developed in earlier work to study the hydrodynamic stability of the buoyancy assisted flow in DCLL blanket based on the solution of the OrrSommefeld equation for MHD flows is used here to address the stability of the buoyancy-opposed (downward) flows in the DCLL blanket conditions. The present analysis predicts that downward flows in DCLL blanket conditions will likely be hydrodynamically unstable and eventually turbulent due to the development of either inflectional instability or boundary layer instability.

Original language	English
Pages (from-to)	518-522
Number of pages	5
Journal	Fusion Science and Technology
Volume	60
Issue number	2
DOIs	https://doi.org/10.13182/FST60-518
State	Published - Aug 2011
Externally published	Yes

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abstract = "An approach developed in earlier work to study the hydrodynamic stability of the buoyancy assisted flow in DCLL blanket based on the solution of the OrrSommefeld equation for MHD flows is used here to address the stability of the buoyancy-opposed (downward) flows in the DCLL blanket conditions. The present analysis predicts that downward flows in DCLL blanket conditions will likely be hydrodynamically unstable and eventually turbulent due to the development of either inflectional instability or boundary layer instability.",

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AU - Smolentsev, S.

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Y1 - 2011/8

N2 - An approach developed in earlier work to study the hydrodynamic stability of the buoyancy assisted flow in DCLL blanket based on the solution of the OrrSommefeld equation for MHD flows is used here to address the stability of the buoyancy-opposed (downward) flows in the DCLL blanket conditions. The present analysis predicts that downward flows in DCLL blanket conditions will likely be hydrodynamically unstable and eventually turbulent due to the development of either inflectional instability or boundary layer instability.

AB - An approach developed in earlier work to study the hydrodynamic stability of the buoyancy assisted flow in DCLL blanket based on the solution of the OrrSommefeld equation for MHD flows is used here to address the stability of the buoyancy-opposed (downward) flows in the DCLL blanket conditions. The present analysis predicts that downward flows in DCLL blanket conditions will likely be hydrodynamically unstable and eventually turbulent due to the development of either inflectional instability or boundary layer instability.

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DO - 10.13182/FST60-518

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Stability analysis for buoyancy-opposed flows in poloidal ducts of the DCLL blanket

Abstract

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