This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Diesel Exhaust Particle Characterization by Polarized Light Scattering
Annotation ability available
Sector:
Language:
English
Abstract
Polarized light scattering was used to determine the size distribution and composition of the undiluted exhaust particulate stream from a one-cylinder, direct-injection diesel generator set. To do this an angle-scanning polarization-modulated nephelometer was used to completely characterize the scattered light. The size distribution and complex index of refraction of the particles were determined from the data by simultaneously fitting measured the angle-dependence of the four scattering transformation matrix elements with Mie scattering calculations. The no-load exhaust was composed of small non-absorbing particles (mean diameter 0.04 μm) and the particles at full load conditions were larger (0.12 μm) and more highly absorbing.
Recommended Content
Technical Paper | Partial Regenerations in Diesel Particulate Filters |
Technical Paper | Sampling Method for Particle Measurements of Vehicle Exhaust |
Journal Article | Secondary Fuel Injection Layout Influences on DOC-DPF Active Regeneration Performance |
Authors
Citation
Hunt, A., Quinby-Hunt, M., and Shepherd, I., "Diesel Exhaust Particle Characterization by Polarized Light Scattering," SAE Technical Paper 982629, 1998, https://doi.org/10.4271/982629.Also In
References
- Pope, C.A. III Dockery D. Schwartz J. “Review of Epidemiological Evidence of Health Effects of Particulate Air Pollution,” Inhalation Toxicology 7 4 18 1995
- Lipkea, W.H. Johnson J.H. Vuk C.T. “The physical and chemical character of diesel particulate emissions - Measurement techniques and fundamental considerations,” SAE Paper No. 780108 1979
- Heywood, J.B. Internal Combustion Engine Fundamentals New York McGraw-Hill 1988
- Shprentz, D.S. “Breath-taking: Premature mortality due to particulate air pollution in 239 American cities,” Natural Resources Defense Council 1996
- EPA National Air Quality and Emissions Trends Report 1994 1995
- Johnson, J.H. Bagley, S.T. Gratz, L.D. Leddy, D.G. “ A Review of Diesel Particulate Control Technology and Emissions Effects - 1992 Homing Memorial Award Lecture,” SAE Paper No. 940233 1994
- Chow, J.C. “Measurement Methods to Determine Compliance with Ambient Air Quality Standards for Suspended Particles,” J. Air & Waste Manage. Assoc. 45 320 382 1995
- Charalampopoulos, T.T. “Morphology and Dynamics of Agglomerated Particulates in Combustion Systems Using Light Scattering Techniques,” Prog. Energy Combust. Sci. 18 13 45 1992
- Vaglieco, B.M. Monda O. Corcione F.E. Mengh M.P. “Optical and Radiative Properties of Particulates at Diesel Engine Exhaust,” Combust. Sci. and Tech. 102 283 299 1994
- Faeth, G.M. ȳlη K. “Soot morphology and optical properties in nonpremixed turbulent flame environments,” Combust. Sci. and Tech. 108 207 229 1995
- Hunt, A.J. Huffman D.R. “A New Polarization-Modulated Light Scattering Instrument,” Rev. Sci. Instrum. 44 1753 1762 1973
- Perry, R.J. Hunt A.J. Huffman D.R. “Experimental Determination of Mueller Scattering Matrices for Nonspherical Particles,” Appl. Opt. 17 2700 2710 1978
- Quinby-Hunt, M.S. Hull P.G. Hunt A.J. “Predicting Polarization Properties of Marine Aerosols,” Ocean Optics XII, Ptvc. SPIE 2258 735 746 1994
- Quinby-Hunt, M.S. Erskine L.L. Hunt A.J. “Polarized Light Scattering by Aerosols in the Marine Atmospheric Boundary Layer,” Applied Optics 36 5168 5184 1997
- Hull, P.G. Quinby-Hunt M.S. Hunt A.J. Shapiro D.B. “Coupled-dipole Approximation as an Analytical Model for Predicting Light Scattering from Marine Micro-Organisms,” Underwater Imaging, Photography, and Visibility , Proc. SPIE 1537 21 29 1991
- Lofftus, K.D. Quinby-Hunt M.S. Hunt A.J. Livolant F. Maestre M. “Light Scattering from Prorocentrum micans ,” Applied Optics 31 2924 2931 1992
- Shapiro, D.B. Maestre M.F. McClain W.M. Hull P.G. Shi Y. Quinby-Hunt MS. Hearst J.E. Hunt A.J. “Determination of the Average Orientation of DNA in the Octopus Sperm Eledone cirrhosa using Polarized Light Scattering,” Appl. Opt. 33 5733 5744 1994
- Shapiro, D.B. Hull P.G. Shi Y. McClain W.M. Quinby-Hunt M S. Maestre M.F. Hearst J.E. Hunt A.J. “Towards a Working Theory of Polarized Light Scattering from Helices ,” J. Chem. Phys. 100 146 157 1994
- Miller, D. Quinby-Hunt M.S. Hunt A.J. “A Novel Bistatic Polarization Nephelometer for Probing Scattering Through a Planar Interface,” Rev. Sci. Instrum. 67 2089 2095 1996
- Miller, D. Quinby-Hunt M.S. Hunt A.J. “Laboratory Studies of the Angle and Polarization Dependent Light Scattering in Sea Ice,” Applied Optics 36 1278 1288 1997
- Gross, C.T. Salamon H. Hunt A.J. Macy R.I. Orme F. Quintanilha A.T. “Hemoglobin Polymerization in Sickle Cells Studied by Circularly Polarized Light Scattering,” Biochemica et Biophysics Acta 1079 152 160 1991
- Cao, W. Hunt A.J. “ Improving the Visible Transparency of Silica Aerogels J. Non-Crystalline Solids 176 18 1994
- Zeng S.Q. Greif R. Hunt A.J. “Effective Optical Constants n and kappa and Extinction Coefficient of Silica Aerogel ,” Journal of Material Research 11 No. 3 1996
- Quinby-Hunt Hull, P. Hunt A.J. “Polarized Light Scattering in the Marine Environment,” Chapter 19, Light Scattering by Non-Spherical Particles: Theory, Measurements, and Geophysical Applications Mischenko M.L. Hovenier J.W. Travis L.D. Academic Press 1999
- Bohren, C.F. Huffman D.R. Abs orption and Scattering of Light by Small Particles Wiley, New York 1983
- Press, W.H. Flannery B.R. Teukolsky S.A Vetterling W.T. Numerical Recipes (Fortran version) 523 1989
- Hunt, A.J. An experimental Investigation of the Angular Dependence of Polarization of Light Scattered from Small Particles Ph.D. Dissertation University of Arizona Tucson, AZ 1974
- Shettle, E.P. Fenn R.W. Models for the Aerosols of the Lower Atmosphere and the Effects of Humidity Variations on their Optical Properties Report # AFGL-TR-79-0214 Environmental Paper No. 676 Air Force Geophysics Laboratory 94 pp. 1979
- Dalzell, W.H. Sarofim A.F. “Optical Constants of Soot and their Application to Heat Flux Calculations,” J. Heat Trans. 91 1969
- Hull, P.G. Quinby-Hunt MS. Hunt A.J. Shapiro D.B. “Coupled-Dipole Approximation as an Analytical Model for Predicting Light Scattering from Marine Micro-Organisms,” Underwater Imaging, Photography, and Visibility Proc. SPIE 1537 21 29 1991
- Purcell, E.M. Pennypacker C.R. “Scattering and Absorption of Light by Nonspherical Dielectric Grains,” Astrophys. J. 186 705 714 1973