Abstract

This paper presents a complete methodology to perform fuel concentration measurements of Diesel sprays in isothermal conditions using the Planar Laser-Induced Fluorescence (PLIF) technique. The natural fluorescence of a commercial Diesel fuel is used with an excitation wavelength of 355 nm. The correction and calibration procedures to perform accurate measurements are studied. These procedures include the study of the fluorescence characteristics of the fuel as well as the correction of the laser sheet non-homogeneities and the losses due to Mie scattering, absorption and autoabsorption. The results obtained are compared with theoretical models and other experimental techniques.

© 2002 Optical Society of America

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Appl. Opt. (5)

Appl. Phys. B (1)

M. C. Jermy and D. A. Greenhalgh, �Planar dropsizing by elastic and fluorescence scattering in sprays too dense for phase Doppler measurement,� Appl. Phys. B 71, 703-710 (2000).

Combust. Sci. and Tech. (1)

A. A. Rotunno, M. Winter, G. M. Dobbs and L. A. Melton �Direct Calibration Procedures for Exciplex-Based Vapor/Liquid Visualization of Fuel Sprays,� Combust. Sci. and Tech. 71, 247-261 (1990).

Exp. in Fluids (2)

R. Bazile and D. Stepowski, �Measurements of vaporized and liquid fuel concentration fields in a burning spray jet of acetone using planar laser induced fluorescence,� Exp. in Fluids 20, 1-9 (1995).

F. V. Tinaut, A. Melgar, F. Castro, M. L. S�nchez, B. Jim�nez, �A method to determine liquid spray concentration in non-stationary axisymmetric sprays,� Exp. in Fluids 23, 299-305 (1997).

J. Opt. Soc. Am. B (1)

Opt. Eng. (1)

H. Sj�berg, G. Manneberg, and A. Cronhjort, �Long-working-distance microscope used for diesel injection spray imaging,� Opt. Eng. 35, 3591-3596 (1996).

Prog. Energy Combust. Sci. (3)

G. Chen, M. M. Mazumder, R. K. Chang, J. C. Swindal and W. P. Acker, �Laser diagnostics for droplets characterization: application of morphology dependent resonances,� Prog. Energy Combust. Sci. 22, 163-188 (1996).

H. Zhao and N. Ladommatos, �Optical diagnostics for in-cylinder mixture formation measurements in IC engines,� Prog. Energy Combust. Sci. 24, 297-336 (1998).

K. Kohse-H�inghaus, �Laser techniques for the quantitative detection of reactives intermediates in combustion systems,� Prog. Energy Combust. Sci. 20, 203-279 (1994).

SAE Paper 1999-01-0200 (1)

J. Arr�gle, J. V. Pastor and S. Ruiz, �The influence of injection parameters on Diesel spray characteristics,� SAE Paper 1999-01-0200 (Society of Automotive Engineers, Warrendale, Pa., 1999).

SAE Paper 2000-01-0287 (1)

J. V. Pastor, E. Encabo, and S. Ruiz, �New modelling approach for fast on-line calculations in sprays,� SAE Paper 2000-01-0287 (Society of Automotive Engineers, Warrendale, Pa., 2000).

SAE Paper 840276 (1)

T. Kamimoto, S. K. Ahn, Y. J. Chang, H. Kobayashi, S. Matsuoka, �Measurement of droplet-diameter and fuel concentration in a non-evaporating Diesel spray by means of an image analysis of shadow photographs,� SAE Paper 840276 (Society of Automotive Engineers, Warrendale, Pa., 1984).

SAE Paper 914166 (1)

H. P. Fuchs and E. Winklhofer, �Diesel fuel spray visualization by laser induced fluorescence,� SAE Paper 914166 (Society of Automotive Engineers, Warrendale, Pa., 1991).

SAE Paper 941953 (1)

C. Nan Yeh, T. Kamimoto, H. Kosaka and S. Kobori, �Quantitative measurements of 2D Fuel vapor concentration in a Transient Spray via Laser Induced Fluorescence Technique,� SAE Paper 941953 (Society of Automotive Engineers, Warrendale, Pa., 1994).

SAE Paper 960034 (1)

J. D. Naber and D. L. Siebers, �Effects of gas density and vaporization on penetration and dispersion of Diesel sprays,� SAE Paper 960034 (Society of Automotive Engineers, Warrendale, Pa., 1996).

SAE Paper 960773 (1)

P. Schihl, W. Bryzik and A. Atreya, �Analysis of current spray penetration models and proposal of a phenomenological cone penetration model,� SAE Paper 960773 (Society of Automotive Engineers, Warrendale, Pa., 1996).

SAE Paper 960774 (1)

F. Payri, J. M. Desantes and J. Arr�gle, �Characterization of D.I. Diesel sprays in high density conditions,� SAE Paper 960774 (Society of Automotive Engineers, Warrendale, Pa., 1996).

SAE Paper 970796 (1)

J. Senda, T. Kanda, M. Kobayashi and H. Fujimoto, �Quantitative analysis of Fuel Vapor Concentration in Diesel spray by Exciplex Fluorescence Method,� SAE Paper 970796 (Society of Automotive Engineers, Warrendale, Pa., 1997).

SAE Paper 980809 (1)

D. L. Siebers, �Liquid-phase fuel penetration in Diesel sprays,� SAE Paper 980809 (Society of Automotive Engineers, Warrendale, Pa., 1998).

SAE Transactions. Journal of Engines. (1)

J. M. Desantes, J. Arr�gle, J. V. Pastor, A. Delage, �Influence of the fuel characteristics on the injection process in a D.I. diesel engine,� SAE Transactions. Journal of Engines. 107, 1185-1195. (Society of Automotive Engineers, Warrendale, Pa., 1998).

Other (6)

R. Domann and Y. Hardalupas, �Evaluation of planar Doppler Sizing (PDS) technique,� Eight International Conference on Liquid Atomization and Spray Systems, Pasadena, CA, (2000).

I. B. Berlman, Handbook of fluorescence spectra of aromatic molecules (Academic Press, London, 1971).

A. C. Eckbreth, Laser Diagnostics for Combustion Temperature and Species (Gordon and Breach Publishers, Amsterdam, 1996).

H. C. van de Hulst, Light scattering by small particles (Dover Publications Inc., New York, 1981).

A. E. Siegman, Lasers (University Science Books, Mill Valley CA, 1986).

A. Palomares, Image Analysis of Diesel Sprays (In spanish)., Ph.D. Thesis Universidad Polit�cnica de Valencia (2001).

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