FR2299640A1 - Dispositif pour detecter la presence de vapeurs d'oxyde de sodium - Google Patents
Dispositif pour detecter la presence de vapeurs d'oxyde de sodiumInfo
- 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
- enclosure
- light
- smoke
- sodium oxide
- attenuation
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54615175 UST947008I4 (hr) | 1975-01-31 | 1975-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2299640A1 true FR2299640A1 (fr) | 1976-08-27 |
FR2299640B1 FR2299640B1 (hr) | 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 (hr) |
FR (1) | FR2299640A1 (hr) |
-
1975
- 1975-01-31 US US54615175 patent/UST947008I4/en active Pending
-
1976
- 1976-01-26 FR FR7601984A patent/FR2299640A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
UST947008I4 (hr) | 1976-06-01 |
FR2299640B1 (hr) | 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 |