Long-range correlations in smoke-particle aggregates
- 1 May 1979
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 12 (5) , L109-L117
- https://doi.org/10.1088/0305-4470/12/5/008
Abstract
Ultrafine smoke particles stick together to form chain-like aggregates. It is found that the particle density has long-range correlations of the same form in iron, zinc of silicon dioxide aggregates. The correlation data suggest a power-law spatial dependence giving a Hausdorff dimension between 1.7 and 1.9. The authors discuss the consistency of these results with a model based on percolation. They also compare their results with a random-walk model, which has a nominal Hausdorff dimension of 2.Keywords
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