نتایج جستجو برای: nozzles
تعداد نتایج: 1819 فیلتر نتایج به سال:
We investigate the linear stability characteristics of the mean velocity profiles produced by chevron nozzles. We show that chevron instability waves can be decomposed into azimuthal modes analogously to those of round jets. This facilitates a direct comparison of growth rates and mode structure between different nozzles. We find that the three nozzles used in this study share a set of modes, r...
An overexpanded jet in a truncated ideally contoured nozzle is found to feature tonal behavior. The flow field investigated understand its origin and show how it modifies side-load properties. temporal spatial organization of wall pressure velocity are first experimentally characterized based on synchronized acquisition both wall-pressure along rings probes located within the high-rate time-res...
Field measurements of spray drift are usually carried out by passive collectors and tracers. However, these methods are labour- and time-intensive and only provide point- and time-integrated measurements. Unlike these methods, the light detection and ranging (lidar) technique allows real-time measurements, obtaining information with temporal and spatial resolution. Recently, the authors have de...
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