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Cryogenic fluid dynamics of pressure swirl injectors at supercritical conditions
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10.1063/1.2905287
/content/aip/journal/pof2/20/5/10.1063/1.2905287
http://aip.metastore.ingenta.com/content/aip/journal/pof2/20/5/10.1063/1.2905287

Figures

Image of FIG. 1.
FIG. 1.

Schematic of swirl coaxial injector.

Image of FIG. 2.
FIG. 2.

Schematic of pressure swirl injector.

Image of FIG. 3.
FIG. 3.

Effect of grid resolution on radial distributions of mean temperature, density, and axial and radial velocity components at different axial locations (case 1: , , , , ).

Image of FIG. 4.
FIG. 4.

Temporal evolution of temperature field (case 1: , , , , , ).

Image of FIG. 5.
FIG. 5.

Close-up view of temporal evolution of temperature field near liquid-oxygen film (case 1: , , , , , ).

Image of FIG. 6.
FIG. 6.

Power spectral densities of pressure fluctuations at eight different locations inside injector (case 1: , , , , , ).

Image of FIG. 7.
FIG. 7.

Power spectral densities of pressure and velocity fluctuations at probe 6 (case 1: , , , , , ).

Image of FIG. 8.
FIG. 8.

Time histories of pressure oscillations at four different locations along the liquid-oxygen film (case 1: , , , , , ).

Image of FIG. 9.
FIG. 9.

Power spectral densities of pressure fluctuations at four different locations in near field of injector (case 1: , , , , , ).

Image of FIG. 10.
FIG. 10.

Energy distribution of POD modes of pressure oscillations within injector (case 1: , , , , , ).

Image of FIG. 11.
FIG. 11.

Frequency spectra of time-varying coefficients of first six POD modes of pressure oscillations (case 1: , , , , , ).

Image of FIG. 12.
FIG. 12.

Spatial distributions of first six POD modes of oscillatory pressure field within injector (case 1: , , , , , ).

Image of FIG. 13.
FIG. 13.

Time-mean fields of density, temperature, compressibility factor, and velocity components (, , , , ).

Image of FIG. 14.
FIG. 14.

Radial distributions of mean velocity components, temperature, density, and compressibility-factor at various axial locations (case 1: , , , , , ).

Image of FIG. 15.
FIG. 15.

Liquid-oxygen film thickness along injector wall (case 1: , , , , ).

Image of FIG. 16.
FIG. 16.

Axial distributions of time-mean axial and angular momenta (case 1: , , , , ).

Image of FIG. 17.
FIG. 17.

Radial distributions of mean density and velocity components in the stationary region, (case 1: , , , , , ).

Image of FIG. 18.
FIG. 18.

Effect of tangential inlet location on mean axial- and angular-momentum distributions (, , , , ).

Image of FIG. 19.
FIG. 19.

Effect of tangential entry position on flow evolution near the headend (, , , , ).

Image of FIG. 20.
FIG. 20.

Mean axial- and angular-momentum losses as functions of injector length (, , , , ).

Image of FIG. 21.
FIG. 21.

LOX film thickness as function of injector length.

Tables

Generic image for table
Table I.

Baseline geometry and mass flowrate.

Generic image for table
Table II.

Effects of injector geometry and flow conditions on LOX film thickness and spreading angle at injector exit (, and ).

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/content/aip/journal/pof2/20/5/10.1063/1.2905287
2008-05-27
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Cryogenic fluid dynamics of pressure swirl injectors at supercritical conditions
http://aip.metastore.ingenta.com/content/aip/journal/pof2/20/5/10.1063/1.2905287
10.1063/1.2905287
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