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The characteristics of a laminar wall jet submitted to different configurations have been experimentally explored in order to obtain a better knowledge of transition modifications. In fact different parameters can accelerate or delay the transition using a smooth or rough surface, heated or not, submitted to vibrations or not. In this study, significant effects can be noticed. It has been possible to measure the beginning of growth rates of disturbance amplitude using a wind tunnel and comparing the results with the linear stability theory.
The characteristics of a laminar wall jet submitted to different configurations have been experimentally explored in order to obtain a better knowledge of transition modifications. In fact different parameters can accelerated or delay the transition using a smooth or rough surface, heated or not, submitted to vibrations In has the potential effects can be noticed. It has been possible to measure the beginning of growth rates of disturbance amplitude using a wind tunnel and comparing the results with the linear stability theory.