Turbulent kinetic energy estimate in the near wall region of smooth turbulent channel flows
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DOI: 10.1007/s11012-021-01396-2
Abstract: Turbulent kinetic energy (TKE) equation based on the Reynolds averaging hypothesis was approximated in the near wall region of turbulent channel flows and an analytical solution for TKE was proposed by Absi for $$y^{ +… read more here.
Keywords: kinetic energy; turbulent channel; turbulent kinetic; near wall ... See more keywords
Production and migration of turbulent kinetic energy in bluff body shear layers
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2020.108716
Abstract: Abstract An experimental campaign on a bluff body of rectangular cross section, having a side-length ratio of 5:1 was carried out using both particle image velocimetry and hot wire anemometry at a Reynolds number of… read more here.
Keywords: kinetic energy; body; turbulent kinetic; bluff body ... See more keywords
The turbulent kinetic energy budget in a bubble plume
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.66
Abstract: We present the turbulent kinetic energy (t.k.e.) budget of a dilute bubble plume in its asymptotic state. The budget is derived from an experimental dataset of bubble plumes formed inside an unstratified water tank. The… read more here.
Keywords: kinetic energy; energy budget; turbulent kinetic; bubble plume ... See more keywords
Turbulent kinetic energy production and flow structures in flows past smooth and rough walls
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.96
Abstract: Data available in the literature from direct numerical simulations of two-dimensional turbulent channels by Lee & Moser (J. Fluid Mech., vol. 774, 2015, pp. 395–415), Bernardini et al. (J. Fluid Mech., 742, 2014, pp. 171–191),… read more here.
Keywords: turbulent kinetic; energy production; kinetic energy; flow structures ... See more keywords
Flow Patterns and Turbulent Kinetic Energy Budget of Undular Jumps in a Narrow Flume
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Hydraulic Engineering"
DOI: 10.1061/(asce)hy.1943-7900.0001788
Abstract: AbstractThis paper presents results obtained from a detailed analysis of the experimental data of three hydraulic jumps with low Froude numbers (1.5–1.9) in a narrow flume. With the increasing Frou... read more here.
Keywords: kinetic energy; energy budget; flow patterns; patterns turbulent ... See more keywords
Extreme events of turbulent kinetic energy production and dissipation in turbulent channel flow: particle image velocimetry measurements
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Turbulence"
DOI: 10.1080/14685248.2020.1727914
Abstract: ABSTRACT It has long been believed that most turbulent kinetic energy (TKE) dissipation occurs in the near-wall region between ejection and sweep events, i.e. beneath near-wall quasi-streamwise (Q-S) vortices, where wall-normal velocity fluctuations are locally… read more here.
Keywords: particle image; kinetic energy; image velocimetry; turbulent kinetic ... See more keywords
Dissipation of Turbulent Kinetic Energy in the Oscillating Bottom Boundary Layer of a Large Shallow Lake
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Atmospheric and Oceanic Technology"
DOI: 10.1175/jtech-d-19-0083.1
Abstract: AbstractMixing rates and biogeochemical fluxes are commonly estimated from the rate of dissipation of turbulent kinetic energy e as measured with a single instrument and processing method. However,... read more here.
Keywords: turbulent kinetic; dissipation turbulent; kinetic energy;
Numerical investigation of energy loss in a centrifugal pump through kinetic energy dissipation theory
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406220916490
Abstract: In this study, energy loss within a centrifugal pump is investigated by post-processing three-dimensional unsteady flow field through kinetic energy dissipation theory. The three-dimensional unsteady flow field is predicted by solving unsteady Reynolds-averaged Navier–Stokes equations.… read more here.
Keywords: kinetic energy; energy; turbulent kinetic; near wall ... See more keywords
Design and Performance Test of an Ocean Turbulent Kinetic Energy Dissipation Rate Measurement Probe
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DOI: 10.3390/mi9060311
Abstract: Ocean turbulent kinetic energy dissipation rate is an essential parameter in marine environmental monitoring. Numerous probes have been designed to measure the turbulent kinetic energy dissipation rate in the past, and most of them utilize… read more here.
Keywords: turbulent kinetic; ocean turbulent; dissipation rate; probe ... See more keywords
Dissipation rate of turbulent kinetic energy in stably stratified sheared flows
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric Chemistry and Physics"
DOI: 10.5194/acp-19-2489-2019
Abstract: Abstract. Over the years, the problem of dissipation rate of turbulent kinetic energy (TKE) in stable stratification remained unclear because of the practical impossibility to directly measure the process of dissipation that takes place at… read more here.
Keywords: dissipation rate; rate turbulent; dissipation; turbulent kinetic ... See more keywords