Advective-Acoustic cycle in a shallow water standing accretion shock experiment

S. Sebold; F. Günzkofer; R. Arredondo; T. Höschen; U. Von Toussaint; U. Stroth; P. Manz

doi:10.1103/PhysRevE.102.063103

Advective-Acoustic cycle in a shallow water standing accretion shock experiment

S. Sebold, F. Günzkofer, R. Arredondo, T. Höschen, U. Von Toussaint, U. Stroth, P. Manz

Lehrstuhl für Plasmarand- und Divertorphysik

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

1 Zitat (Scopus)

Abstract

The surface height in a shallow water accretion flow experiment is measured by means of Fourier transform profilometry and the fluctuations are characterized. The shallow water analog of the standing accretion shock instability (SWASI) appears with an azimuthal mode number of one in the presence of supercritical flow in the radial direction. During the occurrence of the SWASI, surface gravity waves preferentially propagate radially outward. This is consistent with the advective-Acoustic cycle driving the shallow water analog of the standing accretion shock instability.

Originalsprache	Englisch
Aufsatznummer	063103
Fachzeitschrift	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Jahrgang	102
Ausgabenummer	6
DOIs	https://doi.org/10.1103/PhysRevE.102.063103
Publikationsstatus	Veröffentlicht - 10 Dez. 2020

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abstract = "The surface height in a shallow water accretion flow experiment is measured by means of Fourier transform profilometry and the fluctuations are characterized. The shallow water analog of the standing accretion shock instability (SWASI) appears with an azimuthal mode number of one in the presence of supercritical flow in the radial direction. During the occurrence of the SWASI, surface gravity waves preferentially propagate radially outward. This is consistent with the advective-Acoustic cycle driving the shallow water analog of the standing accretion shock instability.",

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AU - Sebold, S.

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AU - Arredondo, R.

AU - Höschen, T.

AU - Von Toussaint, U.

AU - Stroth, U.

AU - Manz, P.

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N2 - The surface height in a shallow water accretion flow experiment is measured by means of Fourier transform profilometry and the fluctuations are characterized. The shallow water analog of the standing accretion shock instability (SWASI) appears with an azimuthal mode number of one in the presence of supercritical flow in the radial direction. During the occurrence of the SWASI, surface gravity waves preferentially propagate radially outward. This is consistent with the advective-Acoustic cycle driving the shallow water analog of the standing accretion shock instability.

AB - The surface height in a shallow water accretion flow experiment is measured by means of Fourier transform profilometry and the fluctuations are characterized. The shallow water analog of the standing accretion shock instability (SWASI) appears with an azimuthal mode number of one in the presence of supercritical flow in the radial direction. During the occurrence of the SWASI, surface gravity waves preferentially propagate radially outward. This is consistent with the advective-Acoustic cycle driving the shallow water analog of the standing accretion shock instability.

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Advective-Acoustic cycle in a shallow water standing accretion shock experiment

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