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Convection in molten pool created by a concentrated energy flux on a solid metal target
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10.1063/1.3210763
/content/aip/journal/pof2/21/8/10.1063/1.3210763
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/8/10.1063/1.3210763
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Driving forces for flow in melt pool (a) due to surface tension and density (b) due to crater generated by vapor pressure.

Image of FIG. 2.
FIG. 2.

Experimental setup.

Image of FIG. 3.
FIG. 3.

Experimentally measured temperature at the center of melt pool as a function of e-beam power for aluminum target.

Image of FIG. 4.
FIG. 4.

Experimentally measured temperature at the center of melt pool as a function of e-beam power for copper and zirconium targets.

Image of FIG. 5.
FIG. 5.

Experimentally measured top surface area of the melt pool as a function of e-beam power for aluminum, copper, and zirconium targets.

Image of FIG. 6.
FIG. 6.

Geometrical dimensions of the target and elemental rings considered in thermal simulation of conductive heat transfer.

Image of FIG. 7.
FIG. 7.

Experimental and theoretical Nusselt number for aluminum target.

Image of FIG. 8.
FIG. 8.

Experimental and theoretical Nusselt number for copper target.

Image of FIG. 9.
FIG. 9.

Experimental and theoretical Nusselt number for zirconium target.

Image of FIG. 10.
FIG. 10.

Estimated depth of the crater as a function of e-beam power for different metals. The depth is calculated from the measured temperature and vapor pressure data.

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/content/aip/journal/pof2/21/8/10.1063/1.3210763
2009-08-13
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Convection in molten pool created by a concentrated energy flux on a solid metal target
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/8/10.1063/1.3210763
10.1063/1.3210763
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