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On the velocity of turbidity currents over moderate slopes. / Liapidevskii, Valery Yu; Dutykh, Denys.

In: Fluid Dynamics Research, Vol. 51, No. 3, 035501, 18.03.2019.

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

Harvard

Liapidevskii, VY & Dutykh, D 2019, 'On the velocity of turbidity currents over moderate slopes', Fluid Dynamics Research, vol. 51, no. 3, 035501. https://doi.org/10.1088/1873-7005/ab0091

APA

Liapidevskii, V. Y., & Dutykh, D. (2019). On the velocity of turbidity currents over moderate slopes. Fluid Dynamics Research, 51(3), [035501]. https://doi.org/10.1088/1873-7005/ab0091

Vancouver

Liapidevskii VY, Dutykh D. On the velocity of turbidity currents over moderate slopes. Fluid Dynamics Research. 2019 Mar 18;51(3):035501. doi: 10.1088/1873-7005/ab0091

Author

Liapidevskii, Valery Yu ; Dutykh, Denys. / On the velocity of turbidity currents over moderate slopes. In: Fluid Dynamics Research. 2019 ; Vol. 51, No. 3.

BibTeX

@article{ee588bf744d646d4bb993e714bf36790,
title = "On the velocity of turbidity currents over moderate slopes",
abstract = "In the present article we consider the problem of underwater avalanches propagating over moderate slopes. The main goal of our work is to investigate the avalanche front velocity selection mechanism when it propagates downwards. In particular, we show that the front velocity does not depend univocally on the mass of sediments. This phenomenon is investigated and explained in our study. Moreover, we derive from the first principles a depth-averaged model. Then, we assume that sediments are uniformly distributed along the slope. In this case, they can be entrained into the flow head and a self-sustained regime can be established. One of the main findings of our study is that the avalanche front velocity is not unique due to a hysteresis phenomenon. We attempt to explain this phenomenon using dynamical systems considerations.",
keywords = "Density flows, Head velocity, Moderate slopes, Self-similar solutions, Turbidity currents, LAKE LE BOURGET, GRAVITY CURRENTS, TURBULENT ENTRAINMENT, MODEL, RELEASE, SIMULATION, moderate slopes, head velocity, density flows, MOTION, FLUID, FIXED VOLUME, DYNAMICS, turbidity currents, self-similar solutions",
author = "Liapidevskii, {Valery Yu} and Denys Dutykh",
year = "2019",
month = mar,
day = "18",
doi = "10.1088/1873-7005/ab0091",
language = "English",
volume = "51",
journal = "Fluid Dynamics Research",
issn = "0169-5983",
publisher = "IOP Publishing Ltd.",
number = "3",

}

RIS

TY - JOUR

T1 - On the velocity of turbidity currents over moderate slopes

AU - Liapidevskii, Valery Yu

AU - Dutykh, Denys

PY - 2019/3/18

Y1 - 2019/3/18

N2 - In the present article we consider the problem of underwater avalanches propagating over moderate slopes. The main goal of our work is to investigate the avalanche front velocity selection mechanism when it propagates downwards. In particular, we show that the front velocity does not depend univocally on the mass of sediments. This phenomenon is investigated and explained in our study. Moreover, we derive from the first principles a depth-averaged model. Then, we assume that sediments are uniformly distributed along the slope. In this case, they can be entrained into the flow head and a self-sustained regime can be established. One of the main findings of our study is that the avalanche front velocity is not unique due to a hysteresis phenomenon. We attempt to explain this phenomenon using dynamical systems considerations.

AB - In the present article we consider the problem of underwater avalanches propagating over moderate slopes. The main goal of our work is to investigate the avalanche front velocity selection mechanism when it propagates downwards. In particular, we show that the front velocity does not depend univocally on the mass of sediments. This phenomenon is investigated and explained in our study. Moreover, we derive from the first principles a depth-averaged model. Then, we assume that sediments are uniformly distributed along the slope. In this case, they can be entrained into the flow head and a self-sustained regime can be established. One of the main findings of our study is that the avalanche front velocity is not unique due to a hysteresis phenomenon. We attempt to explain this phenomenon using dynamical systems considerations.

KW - Density flows

KW - Head velocity

KW - Moderate slopes

KW - Self-similar solutions

KW - Turbidity currents

KW - LAKE LE BOURGET

KW - GRAVITY CURRENTS

KW - TURBULENT ENTRAINMENT

KW - MODEL

KW - RELEASE

KW - SIMULATION

KW - moderate slopes

KW - head velocity

KW - density flows

KW - MOTION

KW - FLUID

KW - FIXED VOLUME

KW - DYNAMICS

KW - turbidity currents

KW - self-similar solutions

UR - http://www.scopus.com/inward/record.url?scp=85069041791&partnerID=8YFLogxK

U2 - 10.1088/1873-7005/ab0091

DO - 10.1088/1873-7005/ab0091

M3 - Article

AN - SCOPUS:85069041791

VL - 51

JO - Fluid Dynamics Research

JF - Fluid Dynamics Research

SN - 0169-5983

IS - 3

M1 - 035501

ER -

ID: 20885629