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Verifying Weak Turbulence Theory
December 14, 2020•
Physics 13, 194
A new experiment in wave turbulence achieves the long-sought goal of generating “pure” interacting waves that behave as theory predicts.
E. Monsalve
Figure 1: In a rotating fluid, the predicted wave spectrum for interacting weakly nonlinear inertial waves is perturbed by the formation of geostrophic modes columnar vortices aligned with the rotation axis (pink columns, left panel). In a new experiment (right panel), researchers successfully suppress these geostrophic modes with the addition of two honeycomb-patterned plates, allowing them to confirm the predictions of weak turbulence theory.In a rotating fluid, the predicted wave spectrum for interacting weakly nonlinear inertial waves is perturbed by the formation of geostrophic modes columnar vortices aligned with the rotation axis (pink columns, left panel). In a new experiment (righ. Show more