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TECHNICAL PAPERS

Characteristic and Computational Fluid Dynamics Modeling of High-Pressure Gas Jet Injection

[+] Author and Article Information
Y. Li, A. Kirkpatrick, C. Mitchell, B. Willson

Engines and Energy Conversion Laboratory, Mechanical Engineering Department, Colorado State University, Fort Collins, CO 80523

J. Eng. Gas Turbines Power 126(1), 192-197 (Mar 02, 2004) (6 pages) doi:10.1115/1.1635398 History: Received April 01, 2002; Revised December 01, 2002; Online March 02, 2004
Copyright © 2004 by ASME
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References

Figures

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Supersonic flow from a simple orifice at low pressure ratios (Pai 1)
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Supersonic flow from a simple diverging orifice at high pressure ratios (Adamson and Nicholls 2
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Characteristic net and jet boundary for pressure ratio of 81.4:1
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Close up of computational grid near the orifice outlet
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Comparison of two-dimensional jet velocity contours (m/s) of for pressure ratio of 35:0.43
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Two-dimensional centerline velocity profile in axial direction
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Two-dimensional jet centerline pressure in axial direction
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Two-dimensional jet velocity profile in transverse direction at two axial locations
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Velocity contours at the three higher pressure ratios
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Effect of overall pressure ratio on the local nondimensional pressure profile along jet centerline
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Effect of overall pressure ratio on the Mach number profile along jet centerline
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Effect of pressure ratio on location of Mach disk
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Comparison of viscous effects on centerline pressure profile (pressure ratio=81.4:1)
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Velocity contours for 3:1 pressure ratio
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Centerline velocity oscillation and decay for 3:1 pressure ratio
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Centerline static pressure oscillation and decay for 3:1 pressure ratio

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