Journal article

Measurement of Sauter mean diameter in diesel sprays using a scattering–absorption measurement ratio technique

GL Martinez, F Poursadegh, GM Magnotti, KE Matusik, DJ Duke, BW Knox, AL Kastengren, CF Powell, CL Genzale

International Journal of Engine Research | Sage Publications Ltd. | Published : 2019

Abstract

A new diagnostic for the quantification of Sauter mean diameter in high-pressure fuel sprays has been recently developed using combined optical and X-ray measurements at the Georgia Institute of Technology and Argonne National Laboratory, respectively. This diagnostic utilizes liquid scattering extinction measurements from diffuse back-illumination imaging, conducted at Georgia Tech, and liquid absorption measurements from X-ray radiography, conducted at Argonne’s Advanced Photon Source. The new diagnostic, entitled the scattering–absorption measurement ratio, quantifies two-dimensional distributions of path-integrated Sauter mean diameter, enabling the construction of the spatial history of..

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