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Turbulent Jet

Reduced-order representation of turbulent jet 
flow and its noise source

Reduced-order representation of turbulent jet flow and its noise source

... subsonic turbulent jet noise is investigated employing reduced-order representations of the flow field and its noise source targeting ’least-order’ approximations of the key ...compressible jet at Mach ...

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Shape Optimization Using Genetic Algorithms and Laser Beam Propagation for the Determination of the Diffusion Coefficient in a Hot Turbulent Jet of Air

Shape Optimization Using Genetic Algorithms and Laser Beam Propagation for the Determination of the Diffusion Coefficient in a Hot Turbulent Jet of Air

... hot turbulent jet, perpendicularly to the flow direction, using geometrical optics ...the turbulent jet is determined by means of a shape optimization technique in which a genetic algorithm is ...

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An experimental investigation into the response of a turbulence-type amplifier, and laminar/turbulent jet study.

An experimental investigation into the response of a turbulence-type amplifier, and laminar/turbulent jet study.

... ent jet. The control jet velocity was kept continuous at 70 ...the turbulent jet for Reynolds number of 3050 as shown in ...the turbulent front having its influence on the laminar ...

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Stochastic multiple mapping conditioning for a piloted, turbulent jet diffusion flame

Stochastic multiple mapping conditioning for a piloted, turbulent jet diffusion flame

... A stochastic implementation of the Multiple Mapping Conditioning (MMC) ap- proach has been applied to a turbulent jet diffusion flame (Sandia Flame D). This implementation combines the advantages of the basic ...

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Universal regimes of a free turbulent jet

Universal regimes of a free turbulent jet

... on turbulent jets is extensive and spans over decades [1, 9, ...the jet dynamics has not received as close attention as, for example, analysis of the structure of ...instantaneous jet, based on the ...

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Three-dimensional vorticity dynamics in a coflowing turbulent jet subjected to axial and azimuthal perturbations

Three-dimensional vorticity dynamics in a coflowing turbulent jet subjected to axial and azimuthal perturbations

... the jet at positions corresponding to the peaks of the corrugations of the ...the jet. The nal mode observed in the jet is after another increase of the axial forcing frequency, where the number of ...

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Multiple mapping conditioning of turbulent jet diffusion flames

Multiple mapping conditioning of turbulent jet diffusion flames

... Permanent repository link: http://openaccess.city.ac.uk/13366/ Link to published version: http://dx.doi.org/10.1016/j.proci.2008.06.164 Copyright and reuse: City Research Online aims to [r] ...

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Dependence of a plane turbulent jet on its nozzle contraction profile

Dependence of a plane turbulent jet on its nozzle contraction profile

... A half century ago, the analytical study of Batchelor and Proudman [1] provided a linear theory on a rapid distortion of a fluid in turbulent motion issuing in a round contraction. Later, Uberio [2] investigated ...

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Multiple mapping conditioning of turbulent jet diffusion flames

Multiple mapping conditioning of turbulent jet diffusion flames

... in turbulent non-premixed combustion modelling is the Multiple Mapping Conditioning (MMC) method [2,3,4] that suggests a logical combination of Probability Density Function (PDF) [5,6] and Condi- tional Moment ...

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Simulation of vertical plane turbulent jet in shallow water

Simulation of vertical plane turbulent jet in shallow water

... a jet issuing vertically in shallow water is shown in Figure ...resulting jet was two-dimensional in the x - z plane, that is, the variations of the flow field in the y -direction were ...

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Modeling of scalar mixing in turbulent jet flames by multiple mapping conditioning

Modeling of scalar mixing in turbulent jet flames by multiple mapping conditioning

... The performance of MMC as a generalized scalar mix- ing model was tested against experimental data in a nonpre- mixed jet flame 共Sandia Flame D兲. Trends for the first two moments of mixture fraction were well ...

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An experimental investigation of a two-dimensional turbulent jet flow over a rotating cylinder.

An experimental investigation of a two-dimensional turbulent jet flow over a rotating cylinder.

... wool tufts all fluctuated in the direction of the jet. The arm was then moved in the direction of increasing © until it was noted that some tufts near the surface began to fluctuate back and forth. This position ...

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Curvature effects on a turbulent jet flow over a wall.

Curvature effects on a turbulent jet flow over a wall.

... The (9)+c surface was installed between the two end-plates and aligned with the nozzle exit such that the jet issued tangentially to the surface [see Fig. 7(b)}, ,The surface was sealed against the nozzle lip. The ...

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CFD Analysis of A Turbulent Jet Flow

CFD Analysis of A Turbulent Jet Flow

... The Turbulent jets are stumble upon in industrial apparatus, combustion chambers and different types of ...co-Axial turbulent jets can create a complex flow with an outer jet developing under ...

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Operation in the turbulent jet field of a linear array of multiple rectangular jets using a two-dimensional jet (Variation of mean velocity field)

Operation in the turbulent jet field of a linear array of multiple rectangular jets using a two-dimensional jet (Variation of mean velocity field)

... Abstract. The mean flowfield of a linear array of multiple rectangular jets run through transversely with a two-dimensional jet, has been investigated, experimentally. The object of this experiment is to operate ...

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Two dimensional turbulent jet on a combined wall having step changes in wall curvature

Two dimensional turbulent jet on a combined wall having step changes in wall curvature

... temperature An experimental investigation of the mean velocity, two-dimensional in wall fields curved and turbulence plane and jets: Coanda effect.. University of Minnesota,.[r] ...

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Numerical Studies of H2 and H2/CO Autoignition in Turbulent Jets

Numerical Studies of H2 and H2/CO Autoignition in Turbulent Jets

... a turbulent jet with preheated air is studied computationally using the stand-alone one- dimensional turbulence (ODT) ...the jet Reynolds number and the mixture ...the jet configuration ...

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Abstract: Controlling air quality is of the utmost importance within today's buildings. Vertical air curtains are

Abstract: Controlling air quality is of the utmost importance within today's buildings. Vertical air curtains are

... the turbulent jet flow, contaminated by the entrainment from the ―contaminated‖ side, is transporting contaminants through the outer door plane (the assessment plane): (i) the zone near the nozzle (see ...

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Numerical Simulation of Turbulent Jets

Numerical Simulation of Turbulent Jets

... circular jet and a slot width of 5 mm for the plane turbulent ...two turbulent closure schemes, the computational mesh as well as initial and boundary conditions for the two simulations, each of ...

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Global Features of Flame Stabilization in Turbulent Non-premixed Jet Flames in Vitiated Coflow.

Global Features of Flame Stabilization in Turbulent Non-premixed Jet Flames in Vitiated Coflow.

... 2 jet flame using ...ethylene jet flame in a highly heated coflow (𝑇 𝑜𝑥𝑖𝑑𝑖𝑧𝑒𝑟 = 1550 K) demonstrates the formation of a radical pool of perhydroxyl (𝐻𝑂 2 ) far upstream of the observed flame base, ...

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