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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 1,009 records · Page 56

A study of seeded rotating arcs.

Neutral carrier gas and slightly ionized plasma binary mixture model for nonhomogeneous seeding effects on rotating arc performance

ROTATING FLUID↗

Closed circuit TV system automatically guides welding arc

Closed circuit television /CCTV/ system automatically guides a welding torch to position the welding arc accurately along weld seams. Digital counting and logic techniques incorporated in the control circuitry, ensure performance reliability.

Stephans, D. L.↗