GB830557A - Improvements in or relating to apparatus for producing arc plasma at high speeds - Google Patents

Improvements in or relating to apparatus for producing arc plasma at high speeds

Info

Publication number
GB830557A
GB830557A GB10589/58A GB1058958A GB830557A GB 830557 A GB830557 A GB 830557A GB 10589/58 A GB10589/58 A GB 10589/58A GB 1058958 A GB1058958 A GB 1058958A GB 830557 A GB830557 A GB 830557A
Authority
GB
United Kingdom
Prior art keywords
plasma
fluid
chamber
arc
nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB10589/58A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB830557A publication Critical patent/GB830557A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/48Generating plasma using an arc

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)

Abstract

830,557. Discharge apparatus. GENERAL ELECTRIC CO. April 2, 1958 [April 8, 1957], No. 10589/58. Class 39(1). [Also in Group XXXIII] Apparatus for producing an arc plasma, travelling at hypersonic speed, which may be directed over a fixed model in a wind tunnel, comprises a generator having a cylindrical housing 17 containing a positive rod electrode 18, e.g. of graphite, and a negative ring electrode 19 mounted in an opening in the wall of the chamber. A fluid such as air, water or nitrogen is introduced at high velocity through a tangential nozzle 22 and forms a rotating column of fluid 21 which confines the arc formed between electrodes 18 and 19 and increases its current density and raises its temperature to values above 10,000‹C. In addition portions of the fluid 21 enter the arc and are heated and directed through the opening 11 in the electrode 19 to form part of the arc plasma 12 which passes through a cylindrical container 10, bolted to the chamber 17, to an opening 13 leading to a nozzle 14 which may be provided with a heat-resistant lining 27. Gases or liquids or powders are injected under pressure into the chamber 10 by a series of tangential nozzles 15 fed from a common inlet 25 and form a whirling column of " fluid " 16 which confines the plasma 12. A portion of the " fluid " 16 also enters the plasma 12 and is superheated and decomposes to form part of the plasma ejected from the nozzle 14 which serves first to constrict and then gradually to expand the plasma and thus greatly to increase its speed. " Fluid " 16 not entering the plasma 12 escapes through ports 26. The chamber 10 thus provides a means of increasing the density of the arc plasma and varying its composition without increasing the electrical power consumption.
GB10589/58A 1957-04-08 1958-04-02 Improvements in or relating to apparatus for producing arc plasma at high speeds Expired GB830557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US830557XA 1957-04-08 1957-04-08

Publications (1)

Publication Number Publication Date
GB830557A true GB830557A (en) 1960-03-16

Family

ID=22175885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10589/58A Expired GB830557A (en) 1957-04-08 1958-04-02 Improvements in or relating to apparatus for producing arc plasma at high speeds

Country Status (1)

Country Link
GB (1) GB830557A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2116810A (en) * 1982-02-15 1983-09-28 Ceskoslovenska Akademie Ved Method for stabilization of low-temperature plasma of an arc burner, and the arc burner for carrying out said method
GB2163629A (en) * 1984-06-27 1986-02-26 Nippon Steel Corp Plasma-jet generating apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2116810A (en) * 1982-02-15 1983-09-28 Ceskoslovenska Akademie Ved Method for stabilization of low-temperature plasma of an arc burner, and the arc burner for carrying out said method
GB2157139A (en) * 1982-02-15 1985-10-16 Ceskoslovenska Akademie Ved Stabilising the arc of an arc burner
GB2163629A (en) * 1984-06-27 1986-02-26 Nippon Steel Corp Plasma-jet generating apparatus

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