Results 21 to 30 of about 30,015 (273)

Research on the Energy Characteristics of a Transferred Arc Plasma-Chemical Reactor for Waste Treatment

open access: yesApplied 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
doaj   +1 more source

Analysis of flow and heat-transfer characteristics of DC-RF hybrid plasma based on turbulence model

open access: yesHe jishu, 2023
BackgroundDirect-current radiofrequency (DC-RF) hybrid plasma has broad application prospects in the field of nuclear ultrafine powder material preparation owing to its characteristics of high temperature and high chemical activity.PurposeThis study aims
CHEN Wenbo   +4 more
doaj   +1 more source

A Simple and Stable Atmospheric Pressure Electrodeless Water Vapor Microwave Plasma Torch

open access: yesApplied Sciences, 2022
An atmospheric pressure microwave plasma source operating on water vapor has many potential applications. To avoid the corrosion of metal electrodes in a traditional water vapor microwave plasma system, we propose a simple water vapor electrodeless ...
Qiang Tang   +4 more
doaj   +1 more source

Characterization of opportunity for upgrading of the system based on arc plasma torch for thermal spaying of ceramic materials, by means of use of fuel vortex intensifier. Part II. Thermal engineering estimation and experimental testing

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2022
The main trends in the field of improving thermal spraying processes for ceramic coatings formation is, along with enhancement of coating properties, also the reducing the energy consumption for the process.
O. G. Devoino   +4 more
doaj   +1 more source

Equipment and technologies of air-plasma spraying of functional coatings

open access: yesMATEC Web of Conferences, 2017
This article presents a short description of the DC plasma torch "PNK-50" structural features (ITAM SB RAS, Novosibirsk) used for spraying of functional coatings with powder materials as well as gives the results of thermophysical and technological ...
Kuzmin Viktor   +5 more
doaj   +1 more source

Design and construction of a laboratory plasma gasification system for municipal solid waste [PDF]

open access: yesمجله علوم و فنون هسته‌ای
Plasma gasification system technology is one of the definitive low-risk disposal methods. The article discusses the design and construction of a plasma gasification system using a plasma torch.
Gh. Khaleghian   +4 more
doaj   +1 more source

Study of the Behavior of Arsenic in Microwave Plasma Torch-Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2023
Based on the coupling of hydride generation (HG) and microwave plasma torch (MPT), a rapid and sensitive method of hydride generation-microwave plasma torch-mass spectrometry (HG-MPT-MS) for arsenic under atmospheric condition was developed.
TANG Zi-yang1   +8 more
doaj   +1 more source

Effect of torch angle on arc properties and weld pool shape in stationary GTAW [PDF]

open access: yes, 2013
In this paper, a three dimensional numerical simulation is performed on a stationary arc to study the effect of torch angle in gas tungsten arc welding (GTAW) of SS304 stainless steel.
Abid, Muhammad   +4 more
core   +1 more source

Microwave plasma torch for processing hydrocarbon gases [PDF]

open access: yes, 2003
We designed and developed an ultrahigh-frequency (microwave) plasma torch with a combined (nitrogen, methane) plasma-forming environment, and microwave output of up to 2 kW, continuously.
Kim   +6 more
core   +2 more sources

Research Paper: Parametric Spectroscopy Characterization of the Induced Coupled Plasma ICP Torch 13.56 MHz under Atmospheric and Vacuum Pressure [PDF]

open access: yesفیزیک کاربردی ایران
In this research, measurements and calculations were carried out to estimate plasma density and temperature for the optimized ICP torch in two regimes: vacuum and atmospheric pressure.
Mansour Tabatabaei   +4 more
doaj   +1 more source

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