Journal ArticleDOI
Investigation of Two Plane Parallel Jets
TLDR
In this article, an experimental study on the interaction of two two-dimensional turbulent parallel jets is reported, which includes measurements of mean velocity, turbulence intensities, and Reynolds shear stress.Abstract:
Results of an experimental study on the interaction of two two-dimensional turbulent parallel jets are reported. The investigation includes measurements of mean velocity, turbulence intensities, and Reynolds shear stress. The structure of the combined flow is compared with that of a single jet. The results show that the velocity profiles of the combined flow are similar and agree well with that of the single jet. Up to 120 slot widths downstream from the nozzles, true similarity is not found. For a spacing of 12.5 slot widths between the axes of the two nozzles, the half-width of the combined flow grows linearly with downstream distance, but its spread angle is slightly lower than that of a single jet. The centerline velocity decays with the same rate as the single jet, but with a higher value of UM/ U0. Nomenclature 5 = spacing between the two nozzles tp =read more
Citations
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Journal ArticleDOI
Experimental and numerical investigation of two-dimensional parallel jets
TL;DR: In this paper, the authors investigated the flow field of dual, parallel planar turbulent jets using an x-type hot-wire probe and numerically by solving the Reynolds-averaged Navier-Stokes equations.
Journal ArticleDOI
Interaction of parallel turbulent plane jets
Y. F. Lin,M. J. Sheu +1 more
TL;DR: In this paper, the interaction of two plane parallel turbulent jets issuing into a still surrounding was studied, where the two jets attracted each other, merged together, and eventually combined to resemble a single jet.
Journal ArticleDOI
Numerical and experimental study of turbulent impinging twin-jet flow
TL;DR: In this article, the two dimensional impinging circular twin-jet flow with no-cross flow was studied numerically and experimentally and the theoretical predications were carried out through numerical procedure based on finite volume method to solve the governing mass, momentum, turbulent kinetic energy and turbulent energy dissipation rate.
Journal ArticleDOI
Numerical investigation of mixing in parallel jets
TL;DR: In this paper, the mixing phenomenon in the two jet flow and the three jet flow has been studied numerically by solving the Reynolds Averaged Navier Stokes equations, and the results predicted by the Reynolds stress model compare well with the experimental data of axial velocity and shear stress available in literature.
Journal ArticleDOI
Exploring Physics and Control of Twin Supersonic Circular Jets
TL;DR: In this paper, the interaction mechanisms and coupling of a supersonic twin jet exhausting from biconical converging-diverging nozzles with a design Mach number of 1.23 at a separation distance of two nozzle exit diameters are investigated using near-field pressure measurements and phase-locked flow visualization.
References
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Journal ArticleDOI
The planar turbulent jet
Ephraim Gutmark,Israel Wygnanski +1 more
TL;DR: In this article, hot-wire measurements in a plane incompressible jet are reported, where the flow was found to be self-preserving beyond x/d > 40 and measurements were made up to x/D = 120.
Journal ArticleDOI
The structure of a self-preserving turbulent plane jet
TL;DR: The structure of a self-preserving turbulent plane jet exhausting into a slow-moving parallel airstream is studied in this paper, where results of turbulence measurements and the structure is compared with that of the plane wake.
Journal ArticleDOI
Force-momentum fields in a dual-jet flow
TL;DR: In this paper, the subsonic flow field generated by identical twin jets of air issuing from parallel slot nozzles in a common wall and mixing turbulently with ambient room air was measured.
Journal ArticleDOI
The Interference of Two-Dimensional Parallel Jets : 2nd Report, Experiments on the Combined Flow of Dual Jet
TL;DR: In this article, the effects of distance between these two nozzles on the flow field were studied and the characteristics of combined flow were compared with those of a single jet, and the velocity profiles of the combined flow are similar and agree well with the theoretical profile of the single jet.