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Updated: Nov 19, 2025

Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames
Published on: June 1, 2016
Threshold Heat-Flux Reduction by Near-Resonant Energy Transfer
P W Terry1, P-Y Li1, M J Pueschel2,3,4
1University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
Abstract:
Near-resonant energy transfer to large-scale stable modes is shown to reduce transport above the linear critical gradient, contributing to the onset of transport at higher gradients. This is demonstrated for a threshold fluid theory of ion temperature gradient turbulence based on zonal-flow-catalyzed transfer. The heat flux is suppressed above the critical gradient by resonance in the triplet correlation time, a condition enforced by the wave numbers of the interaction of the unstable mode, zonal flow, and stable mode.
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