Academic literature on the topic 'Transitional channel flow'

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Journal articles on the topic "Transitional channel flow"

1

Hager, Willi H. "Transitional Flow in Channel Junctions." Journal of Hydraulic Engineering 115, no. 2 (1989): 243–59. http://dx.doi.org/10.1061/(asce)0733-9429(1989)115:2(243).

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2

Kumar, Sampath G. "Transitional flow in channel junctions." Journal of Hydraulic Research 31, no. 5 (1993): 601–4. http://dx.doi.org/10.1080/00221689309498773.

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3

ELSNAB, J., J. KLEWICKI, D. MAYNES, and T. AMEEL. "Mean dynamics of transitional channel flow." Journal of Fluid Mechanics 678 (May 3, 2011): 451–81. http://dx.doi.org/10.1017/jfm.2011.120.

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The redistribution of mean momentum and vorticity, along with the mechanisms underlying these redistribution processes, is explored for post-laminar flow in fully developed, pressure driven, channel flow. These flows, generically referred to as transitional, include an instability stage and a nonlinear development stage. The central focus is on the nonlinear development stage. The present analyses use existing direct numerical simulation data sets, as well as recently reported high-resolution molecular tagging velocimetry measurements. Primary considerations stem from the emergence of the effe
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4

Manneville, Paul, and Masaki Shimizu. "Transitional Channel Flow: A Minimal Stochastic Model." Entropy 22, no. 12 (2020): 1348. http://dx.doi.org/10.3390/e22121348.

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In line with Pomeau’s conjecture about the relevance of directed percolation (DP) to turbulence onset/decay in wall-bounded flows, we propose a minimal stochastic model dedicated to the interpretation of the spatially intermittent regimes observed in channel flow before its return to laminar flow. Numerical simulations show that a regime with bands obliquely drifting in two stream-wise symmetrical directions bifurcates into an asymmetrical regime, before ultimately decaying to laminar flow. The model is expressed in terms of a probabilistic cellular automaton of evolving von Neumann neighborho
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5

Sahan, R. A., H. Gunes, and A. Liakopoulos. "A modeling approach to transitional channel flow." Computers & Fluids 27, no. 1 (1998): 121–36. http://dx.doi.org/10.1016/s0045-7930(97)00016-9.

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6

Piomelli, Ugo, and Thomas A. Zang. "Large-eddy simulation of transitional channel flow." Computer Physics Communications 65, no. 1-3 (1991): 224–30. http://dx.doi.org/10.1016/0010-4655(91)90175-k.

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7

Kashyap, Pavan, Yohann Duguet, and Olivier Dauchot. "Flow Statistics in the Transitional Regime of Plane Channel Flow." Entropy 22, no. 9 (2020): 1001. http://dx.doi.org/10.3390/e22091001.

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The transitional regime of plane channel flow is investigated above the transitional point below which turbulence is not sustained, using direct numerical simulation in large domains. Statistics of laminar-turbulent spatio-temporal intermittency are reported. The geometry of the pattern is first characterized, including statistics for the angles of the laminar-turbulent stripes observed in this regime, with a comparison to experiments. High-order statistics of the local and instantaneous bulk velocity, wall shear stress and turbulent kinetic energy are then provided. The distributions of the t
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8

Zagarola, Mark V., Alexander J. Smits, and George E. Karniadakis. "Heat transfer enhancement in a transitional channel flow." Journal of Wind Engineering and Industrial Aerodynamics 49, no. 1-3 (1993): 257–67. http://dx.doi.org/10.1016/0167-6105(93)90021-f.

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9

He, S., and M. Seddighi. "Turbulence in transient channel flow." Journal of Fluid Mechanics 715 (January 9, 2013): 60–102. http://dx.doi.org/10.1017/jfm.2012.498.

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AbstractDirect numerical simulations (DNS) are performed of a transient channel flow following a rapid increase of flow rate from an initially turbulent flow. It is shown that a low-Reynolds-number turbulent flow can undergo a process of transition that resembles the laminar–turbulent transition. In response to the rapid increase of flow rate, the flow does not progressively evolve from the initial turbulent structure to a new one, but undergoes a process involving three distinct phases (pre-transition, transition and fully turbulent) that are equivalent to the three regions of the boundary la
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10

Wirtz, R. A., and Weiming Chen. "Laminar-Transitional Convection From Repeated Ribs in a Channel." Journal of Electronic Packaging 114, no. 1 (1992): 29–34. http://dx.doi.org/10.1115/1.2905438.

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Velocimetry, heat transfer, and pressure drop experiments are reported for laminar/transitional air flow in a channel containing rectangular transverse ribs located along one channel wall. The geometry is intended to represent an array of low profile electronic packages. At fixed pumping power per unit channel volume, the heat transfer rate per unit volume is independent of rib-to-rib spacing and increases with decreasing wall-to-wall spacing. The fully developed, rib-average heat transfer coefficient is found to be linearly related to the maximum streamwise rms turbulence measured above the r
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