منابع مشابه
Three-dimensional Flow Visualization and Piv Measurement in near Field of Strongly Buoyant Jet
The near-field structure of strongly buoyant jet issuing from a square nozzle at low Froude and Reynolds numbers is studied by using three-dimensional LIF flow visualization and scanning PIV. These experimental techniques allow the visualization of unsteady three-dimensional flow phenomenon occurring in the near-field of strongly buoyant jet. It is found that the buoyant jet is unstable to the ...
متن کاملBuoyant formation number of a starting buoyant jet
Ruo-Qian Wang, Adrian Wing-Keung Law, E. Eric Adams, and Oliver B. Fringer Singapore-MIT Alliance for Research and Technology, Singapore 117543, Singapore School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Massachusetts 02139, USA Environmental Flui...
متن کاملOpen Jet Testing for Buoyant and Hybrid Buoyant Aerial Vehicles
Open jet testing is a valuable testing technique which provides the desired results with reasonable accuracy. It has been used in past for the airships and now has recently been applied for the hybrid ones, having more non-buoyant force coming from the wings, empennage and the fuselage. In the present review work, an effort has been done to review the challenges involved in open jet testing. In...
متن کاملFlow visualization of the jet exiting a chevron nozzle
Control of jets has been studied for over a century and even today continues to be a significant research topic. It finds applications in various fields especially in aerospace, where enhancement of mixing characteristics of a jet can improve the performance greatly. Review articles by Gutmark et al.;1 Gutmark & Grinstein;2 Seiner et al.;3 Glezer & Amitay;4 Reynolds et al.;5 Ginevsky Vlasov & K...
متن کاملFlow visualization of vortex structure in a pulsed rectangular jet
Pulsating jet is visualized using hydrogen bubble method to clarify the vortex nature in the near field of the jet. This study focused on the development in space and time of vortex structures evolution in low aspect-ratio rectangular jet with pulsation. Pulsation means large-amplitude, low-frequency excitation which is expected to increase the mixing and spreading of the jet and to accelerate ...
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ژورنال
عنوان ژورنال: JOURNAL OF THE FLOW VISUALIZATION SOCIETY OF JAPAN
سال: 1988
ISSN: 1884-0361,0287-3605
DOI: 10.3154/jvs1981.8.91