Abstract
The structure in an initial mixing region of a two-dimensional curved jet along a circular arc is investigated by measuring the turbulent energy balance and the Reynolds stress transport. The results show that the profiles of the terms in the turbulent energy equation and the Reynolds stress transport equation exhibit an obvious asymmetry due to the influence of the centrifugal force. Each term is clearly enhanced in the outer shear layer of the curved jet and is reduced in the inner shear layer. However, the generation term and the pressure- strain redistribution term in the Reynolds transport equation exhibit an obvious asymmetry only within the region of about a few slot thicknesses downstream of the nozzle exit, and the asymmetry of these terms decays vary rapidly.
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