Schlieren technique applied to the arc temperature measurement in a high energy density cutting torch

Autores
Prevosto, L.; Artana, G.; Mancinelli, B.; <div class="autor_fcen" id="4561">Kelly, H.</div>
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
Versión publicada
Descripción
Plasma temperature and radial density profiles of the plasma species in a high energy density cutting arc have been obtained by using a quantitative schlieren technique. A Z-type two-mirror schlieren system was used in this research. Due to its great sensibility such technique allows measuring plasma composition and temperature from the arc axis to the surrounding medium by processing the gray-level contrast values of digital schlieren images recorded at the observation plane for a given position of a transverse knife located at the exit focal plane of the system. The technique has provided a good visualization of the plasma flow emerging from the nozzle and its interactions with the surrounding medium and the anode. The obtained temperature values are in good agreement with those values previously obtained by the authors on the same torch using Langmuir probes. © 2010 American Institute of Physics.
Fil:Kelly, H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fuente
J Appl Phys 2010;107(2)
Materia
Arc temperature
Cutting torch
Focal Plane
Gray-level
High energy densities
Observation planes
Plasma composition
Plasma species
Plasma temperature
Radial density profile
Schlieren image
Schlieren techniques
Temperature values
Cavity resonators
High energy physics
Temperature measurement
Plasmas
Nivel de accesibilidad
Acceso abierto
Licencia
http://creativecommons.org/licenses/by/2.5/ar
Repositorio
Biblioteca Digital (UBA-FCEN)
Institución
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
OAI Identificador
snrd:HASHf46b0634cb6baafb7387d4