Results 11 to 20 of about 193,238 (303)
Effect of hydrogen peroxide concentration on plasma arc-activated tooth bleaching: An in vitro study [PDF]
Journal of Dental SciencesBackground/purpose: Tooth bleaching was a conservative treatment compared with veneer and crown restorations that causes damage of teeth structure. This study evaluated the effectiveness of different concentrations of hydrogen peroxide combined with ...
Pei-Ling Lai +5 more
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Arc Plasma Flow Variation by Obstruction Structures between Anode and Cathode
Metals, 2021 Arc plasma flow between electrodes has been investigated in several studies. However, in the industrial field, arc plasma flow between electrodes is hindered by interfering materials such as filler metal in arc welding, substrates in chemical vapor ...
Young-Tae Cho +4 more
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Arc Plasma Torch Modeling [PDF]
Journal of Thermal Spray Technology, 2009 Arc plasma torches are the primary components of various industrial thermal plasma processes involving plasma spraying, metal cutting and welding, thermal plasma CVD, metal melting and remelting, waste treatment and gas production. They are relatively simple devices whose operation implies intricate thermal, chemical, electrical, and fluid dynamics ...
Trelles, J.P. +3 more
openaire +3 more sources
Applied Sciences, 2023 This study has been performed to reveal the main characteristics of operating a direct current (DC) plasma-chemical reactor (PChR) designed for hazardous waste treatment. The PChR employs thermal plasma as the operating environment.
Rolandas Uscila +5 more
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Effect of External Magnetic Field on Long DC Arc Characteristics with Rng-shaped Anode [PDF]
MATEC Web of Conferences, 2021 Fluctuation phenomena of plasma jet flow in an innovative long DC arc system with a ring-shaped anode were successfully clarified by a high-speed camera visualization.
Hashizawa Akio +3 more
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Mathematical and Computational Applications, 2023 The application of direct-current plasma arc furnace technology to the problem of coal gasification is investigated using computational multiphysics models of the plasma arc inside such units.
Quinn G. Reynolds +2 more
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Review on the Research Progress of Arc Plasma Power Sources in China
IEEE Access, 2023 Arc plasma, characterized by its high current density, high energy concentration, and elevated gas enthalpy, is widely utilized in fields such as metallurgy, chemical industry, energy and environmental protection, as well as aerospace.
Yong Jin +3 more
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Relationship Between Metal Vapor in Arc and Droplet Transfer Mode in GMAW
Taiyuan Ligong Daxue xuebao, 2022 The relationship between metal vapor in arc and droplet transfer mode in GMAW was reviewed. The results show that when welding with high current and corresponding welding parameters and different shielding gases, the conductivity of the vapor in arc ...
Xian SUN
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Numerical Simulation of Intermediate-Frequency Vacuum Arc
IEEE Access, 2020 With the development of more/all electric aircraft technology, variable frequency (360-800 Hz) power systems have become an important development focus for future aircraft design.
Ziang Tong, Jianwen Wu, Kui Li
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AIP Advances, 2021 The plasma arc caused by lightning overvoltage can significantly degrade the power grid reliability. Thus, it is essential to design an efficient arc extinguishing system.
Ping Huang +5 more
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