Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Pierre Freton"'
Publikováno v:
Applied Sciences, Vol 9, Iss 5, p 929 (2019)
A tool based on the mass action law was developed to calculate plasma compositions and thermodynamic properties for pure gases and mixtures, assuming a local thermodynamic equilibrium for pressures of up to 300 bar. The collection of the data that wa
Externí odkaz:
https://doaj.org/article/1847c9f266314ac4aed64fe5ffb66373
Publikováno v:
Applied Sciences, Vol 7, Iss 4, p 373 (2017)
The weld pool shape created by the plasma arc interaction on a workpiece depends on many geometrical and physical parameters and on the operating conditions. Theoretical models are developed in such a way as to predict and to characterize the materia
Externí odkaz:
https://doaj.org/article/e6e7b87091184e00be1daf62acd7406d
Publikováno v:
Plasma Physics and Technology
Plasma Physics and Technology, Department of Physics of the Faculty of Electrical Engineering of Czech Technical University, 2020, 7 (1), pp.21-29. ⟨10.14311/ppt.2020.1.21⟩
Plasma Physics and Technology, Department of Physics of the Faculty of Electrical Engineering of Czech Technical University, 2020, 7 (1), pp.21-29. ⟨10.14311/ppt.2020.1.21⟩
International audience; This work is related to the determination of the local thermodynamic equilibrium (LTE) data of 90.5% air and 9.5% CH 4 mixture. The results of chemical composition, thermodynamic properties and transport coefficients are prese
Publikováno v:
Computers and Fluids
Computers and Fluids, 2022, ⟨10.1016/j.compfluid.2022.105479⟩
Computers and Fluids, 2022, ⟨10.1016/j.compfluid.2022.105479⟩
International audience; A new OpenFOAM solver is presented, for the simulation of plasma cutting torches. The mathematical model that is introduced is based on the compressible Navier-Stokes equations coupled via source terms to the electric current
Publikováno v:
The European Physical Journal Applied Physics. 97:86
At the request of the corresponding Author, this article has been retracted. Shortly after publication, the Editorial Board of EPJ Applied Physics received comments from the corresponding Author. He informs that he has found an error in the numerical
Publikováno v:
The European Physical Journal Applied Physics. 97:87
In thermal plasma spectroscopy, Stark broadening measurement of hydrogen spectral lines is considered to be a good and reliable measurement for electron density. Unlike intensity based measurements, Stark broadening measurements can pose a problem of
Publikováno v:
Journal of Physics D: Applied Physics. 55:025201
Publikováno v:
Plasma Physics and Technology XX
Plasma Physics and Technology XX, 2019, pp.1-4. ⟨10.14311/ppt.2019.2.161⟩
Plasma Physics and Technology XX, 2019, pp.1-4. ⟨10.14311/ppt.2019.2.161⟩
International audience; In this study a theoretical approach allows estimating the ablation mass flux of copper from a corrected Hertz-Knudsen flux. The influence of the copper vapours coming from the anode electrode to an SF 6 plasma is studied in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a17098ace00e7f828b2d9410cd010ae
https://hal.archives-ouvertes.fr/hal-02324116
https://hal.archives-ouvertes.fr/hal-02324116
Publikováno v:
Plasma Physics and Technology XX
Plasma Physics and Technology XX, 2019, pp.1-4. ⟨10.14311/ppt.2019.3.256⟩
Plasma Physics and Technology XX, 2019, pp.1-4. ⟨10.14311/ppt.2019.3.256⟩
International audience; In low voltage circuit breaker (LVCB) apparatus, a current limitation is performed by increasing the arc voltage. This increase is mainly realized in the splitters plates of the arc chamber by additional drop voltages due to a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::534d0861abdd30d4a6fa32ba695f8a29
https://hal.archives-ouvertes.fr/hal-02324123/file/Jingjing.pdf
https://hal.archives-ouvertes.fr/hal-02324123/file/Jingjing.pdf
Publikováno v:
Science and Technology of Welding and Joining. 22:319-326
In this study, we focus on the expansion of the weld pool in a welding process by tungsten inert gas (TIG). Use of high-speed imaging and metallographic investigations combined with electrical measurements allow us to determine the weld pool shape an