A numerical study on the formation of a thermocline in shear-free turbulence

Y. Noh; H. J.S. Fernando

doi:10.1063/1.858098

A numerical study on the formation of a thermocline in shear-free turbulence

Y. Noh, H. J.S. Fernando

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Abstract

The formation of a thermocline generated by the interaction between a stabilizing buoyancy flux and shear-free turbulence was studied using a numerical model. The time evolutions of the vertical distributions of the buoyancy and turbulent kinetic energy were calculated and were used to evaluate the depth of the thermocline and the time required for its formation. The numerical results are compared with the results of previous laboratory experiments. The mechanisms responsible for the formation of the thermocline are discussed in view of the numerical results.

Original language	English
Pages (from-to)	422-426
Number of pages	5
Journal	Physics of Fluids A
Volume	3
Issue number	3
DOIs	https://doi.org/10.1063/1.858098
Publication status	Published - 1991

All Science Journal Classification (ASJC) codes

Engineering(all)

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10.1063/1.858098

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abstract = "The formation of a thermocline generated by the interaction between a stabilizing buoyancy flux and shear-free turbulence was studied using a numerical model. The time evolutions of the vertical distributions of the buoyancy and turbulent kinetic energy were calculated and were used to evaluate the depth of the thermocline and the time required for its formation. The numerical results are compared with the results of previous laboratory experiments. The mechanisms responsible for the formation of the thermocline are discussed in view of the numerical results.",

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AB - The formation of a thermocline generated by the interaction between a stabilizing buoyancy flux and shear-free turbulence was studied using a numerical model. The time evolutions of the vertical distributions of the buoyancy and turbulent kinetic energy were calculated and were used to evaluate the depth of the thermocline and the time required for its formation. The numerical results are compared with the results of previous laboratory experiments. The mechanisms responsible for the formation of the thermocline are discussed in view of the numerical results.

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A numerical study on the formation of a thermocline in shear-free turbulence

Abstract

All Science Journal Classification (ASJC) codes

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