FR2299640A1 - Dispositif pour detecter la presence de vapeurs d'oxyde de sodium - Google Patents

Dispositif pour detecter la presence de vapeurs d'oxyde de sodium

Info

Publication number
FR2299640A1
FR2299640A1 FR7601984A FR7601984A FR2299640A1 FR 2299640 A1 FR2299640 A1 FR 2299640A1 FR 7601984 A FR7601984 A FR 7601984A FR 7601984 A FR7601984 A FR 7601984A FR 2299640 A1 FR2299640 A1 FR 2299640A1
Authority
FR
France
Prior art keywords
sodium oxide
photodetector
enclosure
incident light
transmitted
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
FR7601984A
Other languages
English (en)
French (fr)
Other versions
FR2299640B1 (Direct
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2299640A1 publication Critical patent/FR2299640A1/fr
Application granted granted Critical
Publication of FR2299640B1 publication Critical patent/FR2299640B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/02—Devices or arrangements for monitoring coolant or moderator
    • G21C17/022—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators
    • G21C17/025—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators for monitoring liquid metal coolants
    • G21C17/0255—Liquid metal leaks detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7601984A 1975-01-31 1976-01-26 Dispositif pour detecter la presence de vapeurs d'oxyde de sodium Granted FR2299640A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54615175 UST947008I4 (Direct) 1975-01-31 1975-01-31

Publications (2)

Publication Number Publication Date
FR2299640A1 true FR2299640A1 (fr) 1976-08-27
FR2299640B1 FR2299640B1 (Direct) 1981-10-23

Family

ID=24179097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601984A Granted FR2299640A1 (fr) 1975-01-31 1976-01-26 Dispositif pour detecter la presence de vapeurs d'oxyde de sodium

Country Status (2)

Country Link
US (1) UST947008I4 (Direct)
FR (1) FR2299640A1 (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320975A (en) 1979-12-17 1982-03-23 Gca Corporation Passive smoke plume opacity monitor

Also Published As

Publication number Publication date
UST947008I4 (Direct) 1976-06-01
FR2299640B1 (Direct) 1981-10-23

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse