Role of parallel flow curvature on the mitigation of Rayleigh–Taylor instability

Sarmah, D.; Sen, Siddhartha; Cairns, R. A.

doi:10.1063/1.1345706

Cited by 2 publications

(2 citation statements)

References 19 publications

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“…A general equation for the variation of the Þ -component of the fluid velocity along the fluid density gradient has been derived [see equation (13)]. For two distinct densities separated by a sharp boundary and for a continuously varying density, dispersion relations for the RT instability have been obtained and analyzed [see equations (18) and (38)]. …”

Section: Resultsmentioning

confidence: 99%

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Stability criteria of Rayleigh ‐ Taylor modes in magnetized plasmas

Al‐Khateeb

Laham

2003

Contrib. Plasma Phys.

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The Rayleigh -Taylor (RT) instability is investigated analytically in an inhomogeneous plasma in an external magnetic field. For the case of two distinct fluid layers separated by a sharp boundary and for a fluid of a continuously varying density, RT dispersion relations have been obtained and analyzed. Stability criteria of the excited modes are disscussed with respect to the mode propagation relative to the applied magnetic field. The magnetic field is found to act as a stabilizer up to a threshold value that can be determined from the dispersion relation.

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Section: Resultsmentioning

confidence: 99%

“…Sarmah et al studied analytically the effect of a radially varying parallel equilibrium flow on the stability of the RT -mode in the presence of a sheared magnetic field [18]. It is found that the parallel flow curvature can completely stabilize the RT mode.…”

Section: Introductionmentioning

confidence: 97%

Stability criteria of Rayleigh ‐ Taylor modes in magnetized plasmas

Al‐Khateeb

Laham

2003

Contrib. Plasma Phys.

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Experimental Study of Rayleigh–Taylor Instability in a Shock Tube Accompanying Cavity Formation

Wang¹,

Itoh²,

Shi

et al. 2001

Jpn. J. Appl. Phys.

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Rayleigh–Taylor instability at a gas-water interface has been investigated experimentally. Such instability was produced by accelerating a water column down a vertical circular tube employing shock wave impact. Accelerations from 50 to 100 times gravitational acceleration with fluid depths from 125 to 250 mm were studied. The resulting instability from small amplitude random perturbations was recorded and later analyzed using high-speed video images. Cavity formation was observed in the middle of the gas–water interface soon after the shock wave impact; bubbles and spikes then developed across the rest of the interfacial plane. Measurements of the growth coefficient of the bubbles and spikes show that they are nearly constant over different runs.

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Role of parallel flow curvature on the mitigation of Rayleigh–Taylor instability

Cited by 2 publications

References 19 publications

Stability criteria of Rayleigh ‐ Taylor modes in magnetized plasmas

Stability criteria of Rayleigh ‐ Taylor modes in magnetized plasmas

Experimental Study of Rayleigh–Taylor Instability in a Shock Tube Accompanying Cavity Formation

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