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TECHNICAL PAPERS

Velocity Field Reconstruction in the Mixing Region of Swirl Sprays Using General Regression Neural Network

[+] Author and Article Information
K. Ghorbanian, M. R. Soltani, M. R. Morad

Department of Aerospace Engineering, Sharif University of Technology, Tehran, Iran

M. Ashjaee

Department of Mechanical Engineering, University of Tehran, Tehran, Iran

J. Fluids Eng 127(1), 14-23 (Mar 22, 2005) (10 pages) doi:10.1115/1.1852472 History: Received December 17, 2002; Revised September 27, 2004; Online March 22, 2005
Copyright © 2005 by ASME
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References

Figures

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Trajectory mode. Measurements are used for GRNN training.
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Planar mode. Measurements are used for evaluation of the GRNN predictions.
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Effect of σ on the velocity prediction at Z=26 mm: (a) Axial velocity; (b) Radial velocity
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Variation of σopt. for data lines at different Z
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Mean velocity error for the planar mode
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Geometrical setup and the corresponding parameters
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Measurement region for the side-by-side injector setup
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Axial velocity distribution for different injector spacing
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Radial velocity distribution for different injector spacing
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Axial velocity reconstruction
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Radial velocity reconstruction
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Mean prediction error over the domain for different injector spacing
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Mean prediction error for different number of training samples: (a) Axial velocity, di=18 mm; (b) Radial velocity, di=18 mm

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