Effect of plumes on measuring the large scale circulation in turbulent Rayleigh-Bénard convection

Richard Johannes Antonius Maria Stevens; H.J.H. Clercx; Detlef Lohse

doi:10.1063/1.3620999

Effect of plumes on measuring the large scale circulation in turbulent Rayleigh-Bénard convection

Richard Johannes Antonius Maria Stevens, H.J.H. Clercx, Detlef Lohse

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Abstract

We studied the properties of the large-scale circulation (LSC) in turbulent Rayleigh-Bénard (RB) convection by using results from direct numerical simulations in which we placed a large number of numerical probes close to the sidewall. The LSC orientation is determined by either a cosine or a polynomial fit to the azimuthal temperature or azimuthal vertical velocity profile measured with the probes.

Original language	Undefined
Pages (from-to)	095110
Number of pages	11
Journal	Physics of fluids
Volume	23
Issue number	9
DOIs	https://doi.org/10.1063/1.3620999
Publication status	Published - 2011

Keywords

Fourier analysis
Flow simulation
Convection
Numerical analysis
Turbulence
IR-78772
flow measurement
EWI-21183
rotational flow
METIS-279974
Polynomials

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10.1063/1.3620999

Cite this

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title = "Effect of plumes on measuring the large scale circulation in turbulent Rayleigh-B{\'e}nard convection",

abstract = "We studied the properties of the large-scale circulation (LSC) in turbulent Rayleigh-B{\'e}nard (RB) convection by using results from direct numerical simulations in which we placed a large number of numerical probes close to the sidewall. The LSC orientation is determined by either a cosine or a polynomial fit to the azimuthal temperature or azimuthal vertical velocity profile measured with the probes.",

keywords = "Fourier analysis, Flow simulation, Convection, Numerical analysis, Turbulence, IR-78772, flow measurement, EWI-21183, rotational flow, METIS-279974, Polynomials",

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T1 - Effect of plumes on measuring the large scale circulation in turbulent Rayleigh-Bénard convection

AU - Stevens, Richard Johannes Antonius Maria

AU - Clercx, H.J.H.

AU - Lohse, Detlef

PY - 2011

Y1 - 2011

N2 - We studied the properties of the large-scale circulation (LSC) in turbulent Rayleigh-Bénard (RB) convection by using results from direct numerical simulations in which we placed a large number of numerical probes close to the sidewall. The LSC orientation is determined by either a cosine or a polynomial fit to the azimuthal temperature or azimuthal vertical velocity profile measured with the probes.

AB - We studied the properties of the large-scale circulation (LSC) in turbulent Rayleigh-Bénard (RB) convection by using results from direct numerical simulations in which we placed a large number of numerical probes close to the sidewall. The LSC orientation is determined by either a cosine or a polynomial fit to the azimuthal temperature or azimuthal vertical velocity profile measured with the probes.

KW - Fourier analysis

KW - Flow simulation

KW - Convection

KW - Numerical analysis

KW - Turbulence

KW - IR-78772

KW - flow measurement

KW - EWI-21183

KW - rotational flow

KW - METIS-279974

KW - Polynomials

U2 - 10.1063/1.3620999

DO - 10.1063/1.3620999

M3 - Article

SN - 1070-6631

VL - 23

SP - 095110

JO - Physics of fluids

JF - Physics of fluids

IS - 9

ER -