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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Publication de 4  numéros par an

ISSN Imprimer: 1093-3611

ISSN En ligne: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

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TRANSPORT AND HEAT PHENOMENA OF TRANSFERRED DC ARC UNDER AUTO-ELECTRO-MAGNETIC ROTATION (AEMR) IN PLASMALAB REACTOR

Volume 13, Numéro 2, 2009, pp. 121-135
DOI: 10.1615/HighTempMatProc.v13.i2.10
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RÉSUMÉ

Metallurgical plasma reduction technologies provide possibilities for effective processing of poor raw materials (ores, concentrates) and waste (slag, slimes, dross) from metallurgical and chemical industry.
A characteristic feature and main advantage of most of these technologies is that the materials can be processed in a fine disperse form.
The aim of the use of existing plasma furnaces and reactors is as follows: by applying different technologies to provide the fastest smelting of the powdered charge and achieve the best contact between the reduction agent and the smelted oxide material.
These requirements are satisfied mainly by the way of powdered charge introduction and control of the plasma arc in the new PLASMALAB FFP-reactor. The adopted type of charge introduction is through the hollow cathode. There is an inductor coaxially mounted on the tube reactor-anode. Its serial connection in the anode electric chain enables the arc to rotate by its own current (Auto-Electro-Magnetic Rotation - AEMR).
This combination ensures maximum convective and radiation heat exchange between the disperse material and the plasma arc.
Transport phenomena due to the rotating arc are determined accounting for arc current and strength of the magnetic field applied.
Special indirect method for the determination of heat exchange between arc and powdered material is developed.
The influence of arc length and arc speed rotation on the heat and mass exchange in PLASMALAB FFP-reactor space is investigated and discussed.

RÉFÉRENCES
  1. Mihovsky M.K., Plasma Metallurgy - States of the Art, Problems and Future.

  2. Mihovsky M., Hadzhiyski V., and Todorov L., Electromagnetic and Gas Dynamic Control of Transferred Plasma Arc in Metallurgical Plasma Reactors and Furnaces.

  3. Mihovsky M., Hadzhiyski V., and Todorov L., New Feeding System for Plasma Reactor "PlASMALAB" for Reduction Processing of Disperse Raw and Waste Materials.

  4. Hadzhiyski V. and Mihovsky M., Speed Determination of Auto-Electro-Magnetic Rotation (AEMR) of DC Arc in "PLASMALAB" FFP-plasma Reactor.

  5. MacRae D.R., Plasma Reduction of Iron Ores to Raw Steel.

  6. Gold R.G., Sandall W.R., Cheplick P.G., et al., Plasma Reduction of Iron Oxide with Hydrogen and Nature Gas at 100 kW and one Megawatt.

  7. Mihovsky M. and Tzonev Tz., Advenced Plasma Furnace and Technology for Reduction Processing.

  8. Mihovsky M.K. et al., Cathode Unit with a Hollow Graphite Electrode for a Metallurgic Arc Plasmotron.

  9. Mihovsky M., Tzonev Tz., and Lucheva B., Plasma Torch-Reactor for Reduction Processing in Metallurgy.

  10. Mihovsky M., Tzonev Tz., and Lucheva B., Motion Organization of Plasma Arc in Plasma Torch-FFP-Reactor System.

CITÉ PAR
  1. Hadzhiyski V, Mihovsky M, Gavrilova R, Plasma-arc reactor for production possibility of powdered nano-size materials, Journal of Physics: Conference Series, 275, 2011. Crossref

  2. Wang Cheng, Li Jianqiao, Zhang Zelong, Ye Lei, Xia Weiluo, Xia Weidong, An Experimental Investigation of Cathode Spot Motion in a Magnetically Rotating Arc Plasma Generator at Atmospheric Pressure, Plasma Chemistry and Plasma Processing, 39, 1, 2019. Crossref

  3. Wang Cheng, Sun Qiang, Sun Lu, Lu Zhongshan, Xia Weiluo, Xia Weidong, Spot and diffuse mode of cathode attachments in a magnetically rotating arc plasma generator at atmospheric pressure, Journal of Applied Physics, 125, 3, 2019. Crossref

  4. Wang C., Sun Q., Zhang Z., Xia W., Experimental Observation and Numerical Analysis of the Arc Plasma Axial Motion in a Magnetically Rotating Arc Plasma Generator, Plasma Physics Reports, 46, 6, 2020. Crossref

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