Accession Number : ADP008981
Title : Effect of Particle Statistics on Measurements of Transient Sprays by Single-Particle Counters,
Corporate Author : SANDIA NATIONAL LABS LIVERMORE CA COMBUSTION RESEARCH FACILITY
Personal Author(s) : Chin, W. K. ; Marx, K. D. ; Edwards, C. F.
Report Date : 23 JUL 1992
Pagination or Media Count : 7
Abstract : The effect of the single-particle limitation on the response of phase-Doppler instruments is determined for particle distributions which are spatially nonuniform and time-dependent. Poisson statistics are applied to particle positions and arrival times within the phase-Doppler probe volume to determine the probability that a particle is accepted. The results are then applied to a numerical simulation of a diesel spray. The calculated hypothetical response of the instrument provides a quantitative demonstration of the regimes within which measurements can accurately be made in such sprays. (Author)
Descriptors : *FUEL SPRAYS, *FLOW VISUALIZATION, PARTICLES, DIESEL ENGINES, PHASE MODULATION, DOPPLER SYSTEMS, HONG KONG.
Subject Categories : Fuels
Optical Detection and Detectors
Distribution Statement : APPROVED FOR PUBLIC RELEASE