ANALYSIS OF FRACTAL CLUSTER MORPHOLOGY PARAMETERS - STRUCTURAL COEFFICIENT AND DENSITY AUTOCORRELATION FUNCTION CUTOFF

被引:105
作者
CAI, J [1 ]
LU, NL [1 ]
SORENSEN, CM [1 ]
机构
[1] KANSAS STATE UNIV AGR & APPL SCI,DEPT PHYS,MANHATTAN,KS 66506
关键词
FRACTAL CLUSTERS; MORPHOLOGY; SOOT;
D O I
10.1006/jcis.1995.1204
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Electron micrograph images of fractal soot clusters obtained from a premixed CH4/O-2 flame are analyzed for two, somewhat neglected, morphological parameters: the structural coefficient k(0) in N = k(0)(R(g)/a)(Df) and the perimeter cutoff function h (x) of the cluster density autocorrelation function. We find for our fractal aggregates that k(0) = 1.23 +/- 0.07 and h (x) is well described by a Gaussian or overlapping spheres model. (C) 1995 Academic Press, Inc.
引用
收藏
页码:470 / 473
页数:4
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