Results 211 to 220 of about 2,255,661 (285)

Electrochemical advanced oxidation combined to electro-Fenton for effective treatment of perfluoroalkyl substances "PFAS" in water using a Magnéli phase-based anode. [PDF]

Nanoscale Adv
Gomri C, Makhoul E, Koundia FN, Petit E, Raffy S, Bechelany M, Semsarilar M, Cretin M.   +7 more
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Comparative Study of Plasma Torch Characteristics Using Air and Carbon Dioxide

IEEE Transactions on Plasma Science, 2022
The plasma torch is the key component of the thermal plasma-assisted material processing system. Particularly, direct current (dc) nontransferred arc plasma torch is widely used in high-temperature material processing applications. The characteristics of
Yugesh Vadikkeettil, P. Amarnath, S. Yugeswaran, P. Ananthapadmanabhan   +3 more
semanticscholar   +1 more source

Numerical modelling of a direct current non‐transferred thermal plasma torch for optimal performance

Contributions to Plasma Physics, 2022
A laminar steady‐state 2D axisymmetric model of a direct current (DC) thermal plasma torch using a magneto‐hydrodynamic approach has been developed.
Akash Yadav, Sujay Karmakar, S. Kar, Mayank Kumar   +3 more
semanticscholar   +1 more source

Structure of microwave plasma-torch discharge during graphene synthesis from ethanol

, 2021
Few-layer graphene nanosheets were synthesised from ethanol using a microwave plasma torch. The stability of the discharge permitted us to directly observe and analyse two distinctive structures—a plasma zone and an assembly zone.
M. Šnírer, V. Kudrle, J. Toman, O. Jašek, J. Jurmanová   +4 more
semanticscholar   +1 more source

Mechanisms of gas temperature variation of the atmospheric microwave plasma torch

, 2021
The gas temperature is a key parameter that affects the process of microwave plasma chemistry in industrial applications. Based on the molecular emission spectrometry of the A 2 Σ + → X 2 Π r electronic system of OH radicals, the gas temperature of the ...
Z. Jie, Cheng Liu, Shiyang Huang, Guixin Zhang   +3 more
semanticscholar   +1 more source

A novel experimental method of investigating anode-arc-root behaviors in a DC non-transferred arc plasma torch

Plasma Sources Science & Technology, 2020
A novel experimental method of investigating anode arc root was presented, and a plasma torch with multiple anodes was designed. With this apparatus, the number of anode arc roots, their position, and movement with changes in plasma current and gas-flow ...
S. Qiang, L. Yonghong, Han Yancong, Wu Xinlei, Liu Peng, Jin Hui   +5 more
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Experimental investigation on improving the efficiency of power coupling from the incident microwave to the discharge in a plasma torch

Physics of Plasmas, 2020
A high efficiency of power coupling from the incident microwave to the discharge is a general demand for large-scale and high-power applications of microwave plasma torches. This paper aims to experimentally explore the possibility of improving the power
Wencong Zhang, Li Wu, Zhuang Liu, J. Tao, Kama Huang   +4 more
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Study on the influences of the anode structures on the jet characteristics of a laminar plasma torch

Plasma Research Express, 2020
There are two types of direct current thermal plasma jet based on flow status: turbulent plasma jet and laminar plasma jet. Laminar plasma jet has more advantages for high-precision applications than turbulent jet.
Xiuquan Cao, Chao Li, Rundong He, Haoming Xu, Lin Chen, Bo Huang   +5 more
semanticscholar   +1 more source

Induction plasma torches [PDF]

Reviews of Physics in Technology, 1971
The design principles and construction are first presented and the important problem of plasma stability and the methods of maintaining stability, over a range of conditions and in different gases, are then considered. The power supplies and the various methods that have been used to initiate the torches are described.
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