Wang, Guiren Yang, Fang Zhao, Wei and Chen, Chien-Pin 2016. On micro-electrokinetic scalar turbulence in microfluidics at a low Reynolds number. Lab Chip, Vol. 16, Issue. 6, p. 1030.
Briard, Antoine and Gomez, Thomas 2016. Mixed-derivative skewness for high Prandtl and Reynolds numbers in homogeneous isotropic turbulence. Physics of Fluids, Vol. 28, Issue. 8, p. 081703.
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Krawczynski, J.-F. Bouha, A. Renou, B. and Danaila, L. 2015. Conserved scalar mixing in a confined-opposed-jets flow. Journal of Turbulence, Vol. 16, Issue. 12, p. 1139.
Tang, Yingjie Guo, Bing and Ranjan, Devesh 2015. Numerical simulation of aerosol deposition from turbulent flows using three-dimensional RANS and LES turbulence models. Engineering Applications of Computational Fluid Mechanics, Vol. 9, Issue. 1, p. 174.
Soulopoulos, N. Hardalupas, Y. and Taylor, A. M. K. P. 2014. Scalar dissipation rate measurements in a starting jet. Experiments in Fluids, Vol. 55, Issue. 3,
Yeung, P. K. and Sreenivasan, K. R. 2013. Spectrum of passive scalars of high molecular diffusivity in turbulent mixing. Journal of Fluid Mechanics, Vol. 716,
Carroll, Phares L. Verma, Siddhartha and Blanquart, G. 2013. A novel forcing technique to simulate turbulent mixing in a decaying scalar field. Physics of Fluids, Vol. 25, Issue. 9, p. 095102.
Attili, Antonio and Bisetti, Fabrizio 2013. Fluctuations of a passive scalar in a turbulent mixing layer. Physical Review E, Vol. 88, Issue. 3,
De Marinis, Dario Chibbaro, Sergio Meldi, Marcello and Sagaut, Pierre 2013. Temperature dynamics in decaying isotropic turbulence with Joule heat production. Journal of Fluid Mechanics, Vol. 724, p. 425.
MATHEOU, GEORGIOS BONANOS, ARISTIDES M. PANTANO, CARLOS and DIMOTAKIS, PAUL E. 2010. Large-eddy simulation of mixing in a recirculating shear flow. Journal of Fluid Mechanics, Vol. 646, p. 375.
Jun, Yonggun and Steinberg, Victor 2010. Mixing of passive tracers in the decay Batchelor regime of a channel flow. Physics of Fluids, Vol. 22, Issue. 12, p. 123101.
Donzis, Diego A. Sreenivasan, K. R. and Yeung, P. K. 2010. The Batchelor Spectrum for Mixing of Passive Scalars in Isotropic Turbulence. Flow, Turbulence and Combustion, Vol. 85, Issue. 3-4, p. 549.
Krawczynski, J. F. Renou, B. and Danaila, L. 2010. The structure of the velocity field in a confined flow driven by an array of opposed jets. Physics of Fluids, Vol. 22, Issue. 4, p. 045104.
Talbot, Benoît Mazellier, Nicolas Renou, Bruno Danaila, Luminita and Boukhalfa, Mourad Abdelkrim 2009. Time-resolved velocity and concentration measurements in variable-viscosity turbulent jet flow. Experiments in Fluids, Vol. 47, Issue. 4-5, p. 769.
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We report on an experimental investigation of temporal, scalar power spectra of round, high Schmidt number (Sc ≃ 1.9 × 103), momentum-dominated turbulent jets, for jet Reynolds numbers in the range of 1.25 × 104 ≤ Re ≤ 7.2 × 104. At intermediate scales, we find a spectrum with a slope (logarithmic derivative) that increases in absolute value with Reynolds number, but remains less than 5/3 at the highest Reynolds number in our experiments. At the smallest scales, our spectra exhibit no k−1 power-law behaviour, but, rather, seem to be approximated by a log-normal function, over a range of scales exceeding a factor of 40, in some cases.
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