An experimental study of two-dimensional, curved, heated (but essentially non-buoyant) jets is reported. The experiments were conducted in a hydraulic flume in which a curved jet was produced by injecting a plane jet of slightly heated water vertically upwards in to a small cross flow. The data presented include mean and turbulent flow properties obtained from the measurement of instantaneous velocity and temperature, using two-component Laser Doppler Anemometry (LDA) and microresistance thermometry. The measurements extended over the near-to-intermediate field, namely, y/D < 60, where y is the distance along the flume and D is the width of the jet at the exit. The study has demonstrated the stabilizing effects of streamline curvature in the inner (lower) portion and the destabilizing effects of curvature and the coflowing ambient in the outer (upper) portion of the curved jet in cross flow. The quantitative effects on the mean and turbulent properties are presented and discussed in this paper.

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