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Showing 1 to 8 of 8 for “"rectangular jet"”.
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Bi-Modal Excitation of a Supersonic Rectangular Jet
<p>This work addresses the issue of supersonic rectangular jet noise via bi-modal excitation. A Mach 1.5 heated rectangular jet with a 2:1 aspect ratio is considered. Theoretical work is presented in which a Reduced-Order Model (ROM) is used in conjunction with the Linearized Euler Equations to …
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A Numerical Study of Supersonic Rectangular Jet Impingement and Applications to Cold Spray Technology
Particle-laden supersonic jets impinging on a flat surface are of interest to cold gas-dynamic spray technology. Solid particles are propelled to a high velocity through a convergent-divergent nozzle, and upon impact on a substrate surface, they undergo plastic deformation and adhere to the …
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The Linearized Euler Equations for Predicting Supersonic Jet Noise of a Rectangular Jet Using OpenFOAM
… to predict the acoustics of a heated supersonic rectangular jet. The rectangular jet (RJET) results were compared against experimental data.</p> <p>The results from this work show that OpenFOAM can be used as an effective platform to develop CAA specific solvers. The leeFoam solver successfully …
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Navier-Stokes prediction of the three dimensional flowfield of jets in a crossflow using the finite element method
… for the effect of arbitrary cross-section of the jets injected from a various nozzle configurations into a uniform crossflow. The model is implemented as a module of a general purpose finite-element computer code. The finite-element procedures used here follow from a Galerkin type variational …
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A Reduced-Order Model Bi-Modal Excitation of a Supersonic Planar Jet
… bi-modal excitation on a Mach 1.5 heated planar jet. Starting with the Navier-Stokes equations, triple decomposition is applied to the flow components. A reduced order model is derived, turning the Navier-Stokes partial differential equations into a set of coupled ordinary differential equations, …
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The behaviour of Siphon Spillways, with particular reference to air entrainment and model scale effects
… to be the entrainment of air by the falling rectangular nappe. This is studied in controlled conditions independently of the siphon models ~ by relating the amount of air entrained by a rectangular jet plunging into a downstream pool of water to various depths of free fall jet sizes, and a …
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An experimental investigation of the use of air jet vortex generators to control shock induced boundary layer separation
Air jet vortex generators were originally investigated by R.A. Wallis. Results showed that their effectiveness in delaying shock induced boundary layer separation was not as good as conventional vane type generators. Recent low speed wind tunnel tests carried out at City University indicated that …
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Exploring Passive Flow Control Techniques Applied to a Supersonic Multistream Rectangular Nozzle
… different aspects of a supersonic multistream rectangular nozzle representing a modern airframe-integrated variable cycle engine. The flow is comprised of a core stream (M = 1.6) and bypass (M = 1.0) that merge behind a splitter plate and exit through a Single Expansion Ramp Nozzle (SERN) onto …