Modelling of arc behaviour inside a F4 APS torch

K Ramachandran, JL Marqués, R Vaßen… - Journal of Physics D …, 2006 - iopscience.iop.org
The plasma arc inside the F4 torch used for atmospheric plasma spraying is characterized
by means of analytical and numerical methods. A simplified analytical model is formulated to …

Dual torch plasma arc furnace for medical waste treatment

L Bin, M Kikuchi, L Heping, T Iwao… - Plasma Science and …, 2007 - iopscience.iop.org
In this paper, characteristics of a dual torch plasma arc used for hazardous waste treatment
and operated at atmospheric pressure are studied, and also compared with those of the …

Anode attachment of torch plasma arc with high-speed lateral gas air and axial plasma gas argon

T Iwao, T Beppu, S Ishikawa… - Journal of Physics D …, 2004 - iopscience.iop.org
Torch plasma arcs have useful high-energy and high-current characteristics. Torch plasma
arcs can be flexible even if exposed to high-speed laterally flowing gases. This study …

Portable application of thermal plasma and arc discharge for waste treatment, thermal spraying and surface treatment

T Iwao, M Yumoto - IEEJ Transactions on Electrical and …, 2006 - Wiley Online Library
Thermal plasma and arc discharge have numerous useful characteristics related to their
high temperature and intense radiation. Many applications have been developed. Recently …

Numerical simulation of argon twin torch plasma arc for high heating efficiency

T Iwao, K Iwase, S Tashiro, M Tanaka, M Yumoto - Vacuum, 2008 - Elsevier
Plasma arc heating technology has been applied for volume reduction through melting of
bottom and fly ash, and for producing slag. Recently, a twin torch plasma arc, which has two …

Heating efficiency of twin torch plasma arc

T Iwao, H Takizawa, T Inaba, M Yumoto - ISIJ international, 2005 - jstage.jst.go.jp
The twin torch plasma arc has a higher temperature arc column. For that reason, it can
generate high temperature and treat non-conducting material, even though it is a non …

Numerical simulation study on the effect of electrode embedded with magnesia-carbon material on DC arc characteristics

Z Yan, J Zhang, Y Yin, H Ma… - Metallurgical …, 2022 - metallurgical-research.org
A two-dimensional axisymmetric steady-state arc model and a three-dimensional current
density distribution model are established in this study, and the effects of electrode …

Experimental study on working characteristics of direct current plasma jet igniter

Z Zhao, L He, H Zhang, G Chen… - Plasma Research …, 2019 - iopscience.iop.org
The flameout of the combustor at high altitude poses a great threat to the flight safety of the
aircraft. The low temperature and pressure as well as thin air at high altitude make it difficult …

Tungsten electrode erosion on DC horizontal short free arc in air

T Iwao, H Miyazaki, T Inaba - Vacuum, 2004 - Elsevier
It is important to decrease the electrode erosion, because the lifetime of an electrode should
increase longer. Therefore, we tried to measure the temperature of DC horizontal short free …

Magnetically assisted transferred plasma torch applied to vitrification of ceramic clay

CE Torres-Reyes, M Pacheco-Pacheco… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
A new magnetically assisted transferred plasma torch (MA-TPT) was specially developed for
the treatment of ceramic clay and harmful substances. The electrical plasma source consists …