Abstract

The mass density normalized absorption and total scattering coefficients have been measured using in situ techniques at selected wavelengths from the visible to ~1 cm for soot generated by the open combustion of diesel fuel. Particle morphologies are complex although similar to those of soots of other hydrocarbons and methods of generation. An ellipsoidal model has been applied as an approximation to the often multiconnected, chainlike aerosol and then compared with the measured results. The experimental results show an approximate (λ)⁻¹ dependence over more than five decades of wavelength data. There is only general agreement with the simplified calculations in this feature as well as in the magnitude.

© 1991 Optical Society of America

Propagation at 10 μm through smoke produced by atmospheric combustion of diesel fuel

Charles W. Bruce and N. M. Richardson
Appl. Opt. 22(7) 1051-1055 (1983)

Infrared optical properties of diesel smoke plumes

Charles W. Bruce, S. B. Crow, Y. P. Yee, Bobby D. Hinds, D. Marlin, and A. V. Jelinek
Appl. Opt. 28(19) 4071-4076 (1989)

Modeling light scattering from Diesel soot particles

Patricia Hull, Ian Shepherd, and Arlon Hunt
Appl. Opt. 43(17) 3433-3441 (2004)

Photoacoustic insights on diesel exhaust particles

David M. Roessler
Appl. Opt. 23(8) 1148-1155 (1984)

Diesel particle mass concentration by optical techniques

David M. Roessler
Appl. Opt. 21(22) 4077-4086 (1982)