Abstract
The characteristics of flow on two parallel plane Jets was experimentally investigated The two nozzles each With an aspect ratio of 20 were separated by 6 nozzle widths Reynolds number based on nozzle width was set to 5,000 by nozzle exit velocity The particle Image velocimetry and pressure transducer were employed to measure turbulent velocity components and mean static pressure, respectively. In case of unventilated parallel plane Jets, It was shown that a recirculation zone with sub-atmospheric static pressure was bounded by the inner shear layers of the individual Jets and the nozzles plated There was no recirculation zone In the ventilated parallel plane jets. It was found that the spanwise turbulent intensities of unventilated jets were higher than those of ventilated jets because of the interaction of jets, and the streamwise turbulent intensities of ventilated Jets were higher than those of unventilated jets because of the effect of entrainmentbr/
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