๐”– Bobbio Scriptorium
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Nucleation and growth of oxide particles in metal vapour flames

โœ Scribed by Robert W. Hermsen; Roger Dunlap

Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
950 KB
Volume
13
Category
Article
ISSN
0010-2180

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โœฆ Synopsis

A set of equations describing the condensation of aluminium oxide droplets from an atmosphere containing metal vapour and oxygen has been formulated and programmed for solution on a high-speed digital computer. The initial formation of the particles is described by classical nucleation theory, particle growth takes place by diffusion of metal and oxygen to the particle surface followed by reaction on the surface to form condensed oxide. Starting with a given mass fraction of metal vapour, condensation takes place both by nucleation of new particles and growth of all the particles in the system until the partial pressure of metal vapour decreases to the equilibrium value. The time required tor condensation and the resulting particle size distribution have been calculated tor dillerent inmai metal vapour concentrations and temperatures.

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