FR2072063A1 - Excitation of a fluid medium - Google Patents

Excitation of a fluid medium

Info

Publication number
FR2072063A1
FR2072063A1 FR7046724A FR7046724A FR2072063A1 FR 2072063 A1 FR2072063 A1 FR 2072063A1 FR 7046724 A FR7046724 A FR 7046724A FR 7046724 A FR7046724 A FR 7046724A FR 2072063 A1 FR2072063 A1 FR 2072063A1
Authority
FR
France
Prior art keywords
fluid medium
constant
current
contraction
angle
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.)
Granted
Application number
FR7046724A
Other languages
French (fr)
Other versions
FR2072063B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2072063A1 publication Critical patent/FR2072063A1/en
Application granted granted Critical
Publication of FR2072063B1 publication Critical patent/FR2072063B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32431—Constructional details of the reactor
    • H01J37/32623—Mechanical discharge control means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Excitation of a fluid medium contag an entrained condensed phase, by means of an arc discharge between an anode and a conical top cathode, which forms a contraction of the region carrying the current in the transfer zone near the cathode, the extension of the points of defelction of this contraction enclosing an angle. A fluid medium is projected forceably along the conical top of the cathode and through the contraction of the current-carrying region with a mass flow density at constant flow rate which is sufficient at least to bring about a temp. rise in the arc column at constant current and with a total convectional flow rate of the fluid medium at constant flow density, sufficient to reduce the angle below 40 degrees at constant current, and that a finely dispersed non-gaseous medium in a state causing an increase of the angle is added to the fluid medium which is forceably projected along the conical top with a total convectional, velocity at constant total mass flow density, which lies below that which is sufficient to reduce the increased angle below 40 degrees at constant current.
FR7046724A 1969-12-24 1970-12-24 Excitation of a fluid medium Granted FR2072063A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA70859 1969-12-24
US139070A 1970-01-08 1970-01-08

Publications (2)

Publication Number Publication Date
FR2072063A1 true FR2072063A1 (en) 1971-09-24
FR2072063B1 FR2072063B1 (en) 1973-02-02

Family

ID=25666237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7046724A Granted FR2072063A1 (en) 1969-12-24 1970-12-24 Excitation of a fluid medium

Country Status (4)

Country Link
BE (1) BE760845A (en)
CH (1) CH551729A (en)
FR (1) FR2072063A1 (en)
NL (1) NL7018792A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2190561A1 (en) * 1972-07-03 1974-02-01 Soudure Autogene Francaise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2190561A1 (en) * 1972-07-03 1974-02-01 Soudure Autogene Francaise

Also Published As

Publication number Publication date
BE760845A (en) 1971-06-24
CH551729A (en) 1974-07-15
NL7018792A (en) 1971-06-28
FR2072063B1 (en) 1973-02-02

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Legal Events

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TP Transmission of property
ST Notification of lapse