Valerian Nemchinsky

Associated Professor
Keiser University, Fort Lauderdale, FL

Research Interest

Plasma; Gas discharge; Electrode phenomena in arcs; Aerosol plasma; Heat and mass transfer during plasma processing; Plasma arc cutting; Welding; Plasma spraying.

Research and Professional Experience

• 2007 - present: Associated Professor, Keiser University, Fort Lauderdale, FL
• 2005 -2007: Associate Professor, BCC, Fort Lauderdale, FL
• 1992-2005: Development associate, ESAB Welding and Cutting products, Florence, SC
• 1989 -1991: Associate Professor, Bonch-Bruevich Technical University for Telecommunications, Leningrad, Russia
• 1972-1989: Senior researcher, All Union Research Institute for Sources of Electricity (Leningrad Branch), Russia
• 1966 -1972: Researcher, Institute for Semiconductors Russian Academy of Sciences, Leningrad, Russia

Selected Publications

V. A. Nemchinsky, "Heat transfer to a cathode of a rotating arc", Plasma Sources Sci. Technol. 24 035013 (2015)

V. A. Nemchinsky, "On conductivity of cold gas layer separating arc column and nozzle in nontransferred plasma arc (Anode reattachment process in plasma spray systems)", IEEE Trans. Plasma Sci. 43, 2715 (2015)

V. A. Nemchinsky, Y. Raitses, "Atmospheric pressure arc discharge with ablating graphite anode", J. Phys. D: Appl. Phys. 48, 245202 (2015)

V. A. Nemchinsky, "Arc discharge anode reattachment: simple model" IEEE Trans. Plasma Sci. 42, 4026 (2014)

V. A. Nemchinsky, "Erosion of thermionic cathodes in welding and plasma arc cutting systems (Review paper)", IEEE Trans. Plasma Sci. 42, 199 (2014)

C. Martin, V. A. Nemchinsky, W. S. Severance, "Measurements of power of oxidation reaction during plasma arc cutting of steel with an oxygen plasma", J. Phys. D.: Appl. Phys. 46, 224014 (2013)

V. A. Nemchinsky, "A thermo-chemical model of liquid iron oxidation during plasma arc or laser cutting", J. Phys. D.: Appl. Phys. 45, 465201 (2012)

V. A. Nemchinsky, "Aerosol growth in a medium with temperature gradient", J. Phys. D.: Appl. Phys. 45, 375202 (2012)

V. A. Nemchinsky, W.S.Severance, "What we know and what we don’t know about Plasma Arc Cutting", J.Phys.D.: Applied Physics 39, R423 (2006)

V.A.Nemchinsky, "Dissociate reactive thermal conductivity in two-temperature plasma", J. Phys. D.:Appl. Phys. 38, 3825 (2005)

B. Y. Moyzhes, V. A. Nemchinsky, "Thermoelectric figure of merit of metal-semiconductor barrier structure based on energy relaxation length", Appl. Phys. Lett. 73, 1895 (1998)