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TECHNICAL PAPERS: Gas Turbines: Heat Transfer and Turbomachinery

Disintegration of Oil Jets Emerging From Axial Passages at the Face of a Rotating Cylinder

[+] Author and Article Information
A. Glahn, M. F. Blair

United Technologies Research Center, 411 Silver Lane, M/S 129-19, East Hartford, CT 06108

K. L. Allard

Pratt & Whitney, 400 Main Street, East Hartford, CT 06108

S. Busam, O. Schäfer, S. Wittig

Institut für Thermische Strömungsmaschinen, Universität Karlsruhe, Kaiserstrasse 12, Karlsruhe 76128, Germany

J. Eng. Gas Turbines Power 125(4), 1003-1010 (Nov 18, 2003) (8 pages) doi:10.1115/1.1586310 History: Received December 01, 2000; Revised March 01, 2001; Online November 18, 2003
Copyright © 2003 by ASME
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References

Figures

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Standard deviation of droplet diameter distribution
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Average spray diameters compared with those generated at the rim of a rotating disk
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Arithmetic mean droplet diameter versus operating conditions
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N=8500 rpm,q=1.67⋅10−5 m3/s,L/Deq=10,ΔZ/DP=0.0. Radial profiles of (a) Droplet and spray velocities, (b) Droplet and spray flow angles.
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N=8500 rpm,q=1.67⋅10−5 m3/s,L/Deq=10,ΔZ/DP=0.0. Radial profiles of (a) Mean diameters, (b) Cumulative diameters.
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N=3000 rpm,q=1.67⋅10−5 m3/s,L/Deq=10,ΔR/DP=0.145. Axial profiles of (a) Droplet and spray velocities, (b) Droplet and spray flow angles.
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N=3000 rpm,q=1.67⋅10−5 m3/s,L/Deq=10,ΔR/DP=0.145. Axial profiles of (a) Mean diameters, (b) Cumulative diameters.
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Endoscope visualization of axial jet disintegration. (a) ω=314 rad/s , q=2.50⋅10−5 m3/s,νL=5⋅10−6 m2/s. (b) ω=890 rad/s , q=2.50⋅10−5 m3/s,νL=5⋅10−6 m2/s. (c) ω=1047 rad/s , q=2.50⋅10−5 m3/s,νL=5⋅10−6 m2/s.
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Full-access visualization of axial jet disintegration. (a) ω=105 rad/s,q=1.67⋅10−5 m3/s,νL=5⋅10−6 m2/s. (b) ω=524 rad/s,q=1.67⋅10−5 m3/s,νL=5⋅10−6 m2/s.
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Test matrix for droplet size and velocity measurements. (a) Configuration 3: Deq=2.6⋅10−3 m,L/Deq=10,q=1.67⋅10−5 m3/s. (b) Configuration 3: Deq=2.6⋅10−3 m,L/Deq=10,q=2.50⋅10−5 m3/s. (c) Nomenclature.
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Rotating Cylinder test rig
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Spray characteristics compared with those of droplet flows emerging from the rim of a rotating disk. (a) Initial droplet velocity. (b) Initial droplet flow angle.

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