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Metal particle nucleation in laminar jets
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Image of FIG. 1.
FIG. 1.

Zinc vapor issues into a cool argon stream and particles nucleate. The instantaneous nucleation rate is represented by spheres. The number of spheres is weighted by log J and the size of the spheres is proportional to the critical diameter.

Image of FIG. 2.
FIG. 2.

Cross-stream profiles of the non-dimensional (a) zinc mass fraction, , and (b) gas temperature, T , in the zinc-argon flow.

Image of FIG. 3.
FIG. 3.

Cross-stream profiles of the saturation ratio, S: (a) zinc; (b) lithium; and (c) magnesium.

Image of FIG. 4.
FIG. 4.

(a) Saturation ratio, S vs temperature, T . (b) Saturation ratio, S, vs mass fraction, Y .

Image of FIG. 5.
FIG. 5.

(a) Cross-stream profiles of the zinc nanoparticle nucleation rate, J s (). (b) Validation of the laminar flow simulations via prediction of S vs. T with physical data, and CNT for zinc. Each physical data point represents an experiment at a particular saturation ratio required to obtain J = 1016.

Image of FIG. 6.
FIG. 6.

Temperature vs zinc mass fraction as a function of nucleation rate: (a) size-dependent surface tension; (b) classical nucleation theory.

Image of FIG. 7.
FIG. 7.

Temperature vs mass fraction as a function of nucleation rate: (a) lithium; (b) magnesium.


Generic image for table
Table I.

Thermal, chemical, and transport properties.

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Table II.

Nucleation constants and parameters.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Metal particle nucleation in laminar jets