Journal of Nuclear Energy Science & Power Generation TechnologyISSN: 2325-9809

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Research Article, J Nucl Ene Sci Power Generat Technol Vol: 3 Issue: 1

Radiative Heat Transport through Vapor Plasma for Fusion Heat Flux Studies and Electrothermal Plasma Sources Applications

Nouf AlMousa1, Leigh Winfrey2, John Gilligan1 and Mohamed Bourham1*
1North Carolina State University, Department of Nuclear Engineering, Raleigh, USA
2Department of Mechanical Engineering, Nuclear Engineering Program, Virginia Polytechnic Institute and State University, Blacksburg, USA
Corresponding author : Mohamed Bourham
North Carolina State University, Department of Nuclear Engineering, Raleigh NC 27695-7909, USA
Tel: 919- 515-7662; Fax: 919-515-5115
E-mail: [email protected]
Received: October 15, 2013 Accepted: December 26, 2013 Published: January 15, 2014
Citation: AlMousa N, Winfrey L, Gilligan J, Bourham M (2014) Radiative Heat Transport through Vapor Plasma for Fusion Heat Flux Studies and Electrothermal Plasma Sources Applications. J Nucl Ene Sci Power Generat Technol 3:1.doi:10.4172/2325-9809.1000116

Abstract

Radiative Heat Transport through Vapor Plasma for Fusion Heat Flux Studies and Electrothermal Plasma Sources Applications

High heat fluxes of up to 100 GW/m2 and greater over a discharge period of 100 to 1000 μs can be generated from electrothermal (ET) plasma sources from the confined arc discharge. Sources with input energy of 10 kJ in a miniature capillary (4 mm radius and 9 cm length) are capable of producing 88.33 GW/m2 heat flux inside the capillary, higher heat fluxes can be generated for higher input energies. Such high heat fluxes are adequate to simulate the energy deposition during hard disruptions in future fusion tokamak reactors, which result in erosion and thermal deformation of the surfaces of the critical internal components of the reactor. Calculation of the eroded mass due to intensive transient radiative heat transport to the surfaces is very critical in terms of the determination of the performance, durability and the life time of these components.

Keywords: Electrothermal plasmas; Vapor shielding; Capillary discharge; Plasma facing materials

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