Ablative stabilization in the incompressible Rayleigh--Taylor instability

Journal Article · Tue Jul 01 00:00:00 EDT 1986 · Phys. Fluids; (United States)

DOI:https://doi.org/10.1063/1.865593· OSTI ID:5791776

Kull, H J; Anisimov, S I

Ablative Rayleigh--Taylor instabilities are analyzed in terms of an incompressible fluid model. A generalized surface wave dispersion relation can be derived for arbitrary step-profiles with ablative mass and heat flow. A systematic overview on different regimes of ablative stabilization and growth reduction is given. Convective stabilization by the incoming and outcoming flows are found included as upper and lower limits on the instability growth. Applications for self-consistent steady-state conditions are discussed and a comparison is made with previous numerical work.

• Research Organization: Technische Hochschule Darmstadt, Institut fuer Angewandte Physik, D-6100 Darmstadt, Federal Republic of Germany
• OSTI ID: 5791776
• Journal Information: Phys. Fluids; (United States), Vol. 29:7
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
PLASMA
DISPERSION RELATIONS
RAYLEIGH-TAYLOR INSTABILITY
INSTABILITY GROWTH RATES
STABILIZATION
ABLATION
CONVECTION
FLUIDS
FUEL PELLETS
HEAT FLOW
IMPLOSIONS
INCOMPRESSIBLE FLOW
INHIBITION
MASS
MATHEMATICAL MODELS
STEADY-STATE CONDITIONS
ENERGY TRANSFER
FLUID FLOW
HEAT TRANSFER
INSTABILITY
MASS TRANSFER
PELLETS
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