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On the use of the Prandtl mixing length model in the cutting torch modeling

Mancinelli, Beatriz Rosa et al · Institute of Physics Publishing · 2011

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Author / responsible party
Mancinelli, Beatriz Rosa et al
Publisher
Institute of Physics Publishing
Year
2011
ISSN
1742-6596
ISSN
1742-6596
Language
English

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The Prandtl mixing length model has been used to take into account the turbulent effects in a 30 A high-energy density cutting torch model. In particular, the model requires the introduction of only one adjustable coefficient c corresponding to the length of action of the turbulence. It is shown that the c value has little effect on the plasma temperature profiles outside the nozzle (the differences being less than 10 %), but severely affects the plasma velocity distribution, with differences reaching about 100 % at the middle of the nozzle-anode gap. Within the experimental uncertainties it was also found that the value c = 0.08 allows to reproduce both, the experimental data of velocity and temperature. Fil: Mancinelli, Beatriz Rosa. Universidad Tecnológica Nacional. Facultad Reg.venado Tuerto. Departamento de Ing.electromecanica. Laboratorio de Descargas Eléctricas; Argentina Fil: Minotti, Fernando Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina

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APA 7

Mancinelli, B. R. E. A. (2011). On the use of the Prandtl mixing length model in the cutting torch modeling. http://hdl.handle.net/11336/61467

MLA

Mancinelli, Beatriz Rosa et al. "On the use of the Prandtl mixing length model in the cutting torch modeling." 2011. http://hdl.handle.net/11336/61467.

Chicago

Mancinelli, Beatriz Rosa et al. 2011. "On the use of the Prandtl mixing length model in the cutting torch modeling.". http://hdl.handle.net/11336/61467.

Harvard

Mancinelli, B. R. E. A. 2011, On the use of the Prandtl mixing length model in the cutting torch modeling, Institute of Physics Publishing, available at: http://hdl.handle.net/11336/61467 [Accessed 8 Aug. 2026].

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Resource details

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Title
On the use of the Prandtl mixing length model in the cutting torch modeling
Author / contributors
Mancinelli, Beatriz Rosa et al
Publisher
Institute of Physics Publishing
Publication year
2011
ISSN
1742-6596
ISSN
1742-6596
Language
English

Subjects

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Plasma; Antorcha; Turbulencia; https://purl.org/becyt/ford/1.3; https://purl.org/becyt/ford/1
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