Single-particle dispersion in stably stratified turbulence

Sujovolsky, Nicolás Eduardo et al · American Physical Society · 2018

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Author / responsible party

Sujovolsky, Nicolás Eduardo et al

Publisher

American Physical Society

Year

2018

ISSN

2469-990X

ISSN

2469-990X

Language

English

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We present models for single-particle dispersion in vertical and horizontal directions of stably stratified flows. The model in the vertical direction is based on the observed Lagrangian spectrum of the vertical velocity, while the model in the horizontal direction is a combination of a continuous-time eddy-constrained random walk process with a contribution to transport from horizontal winds. Transport at times larger than the Lagrangian turnover time is not universal and dependent on these winds. The models yield results in good agreement with direct numerical simulations of stratified turbulence, for which single-particle dispersion differs from the well-studied case of homogeneous and isotropic turbulence. Fil: Sujovolsky, Nicolás Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina Fil: Mininni, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina

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APA 7

Sujovolsky, N. E. E. A. (2018). Single-particle dispersion in stably stratified turbulence. http://hdl.handle.net/11336/208135

MLA

Sujovolsky, Nicolás Eduardo et al. "Single-particle dispersion in stably stratified turbulence." 2018. http://hdl.handle.net/11336/208135.

Chicago

Sujovolsky, Nicolás Eduardo et al. 2018. "Single-particle dispersion in stably stratified turbulence.". http://hdl.handle.net/11336/208135.

Harvard

Sujovolsky, N. E. E. A. 2018, Single-particle dispersion in stably stratified turbulence, American Physical Society, available at: http://hdl.handle.net/11336/208135 [Accessed 10 Aug. 2026].

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Title: Single-particle dispersion in stably stratified turbulence

Author / contributors: Sujovolsky, Nicolás Eduardo et al

Publisher: American Physical Society

Publication year: 2018

ISSN: 2469-990X

ISSN: 2469-990X

Language: English

Subjects

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TURBULENCE; STRATIFIED; LAGRANGIAN; SINGLE-PARTICLE; https://purl.org/becyt/ford/1.3; https://purl.org/becyt/ford/1