FAST BREEDER REACTOR THERMOCOUPLE DEVELOPMENT. [electronic resource]
Thermocouples/development For Use In Fast Breeder Reactors; Calcium Hafnates/performance As High-temperature Thermocouple Insulation; Strontium Zirconates/performance As High-temperature Thermocouple Insulation; Strontium Hafnates/performance As High-temperature Thermocouple Insulation; Thorium Oxid...
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| Online Access: |
Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1969.
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| Subjects: |
| Summary: | Thermocouples/development For Use In Fast Breeder Reactors; Calcium Hafnates/performance As High-temperature Thermocouple Insulation; Strontium Zirconates/performance As High-temperature Thermocouple Insulation; Strontium Hafnates/performance As High-temperature Thermocouple Insulation; Thorium Oxides Tho$sub 2$/performance As High-temperature Thermocouple Insulation; Tungsten Alloy Couples/re--w/w, Performance At 1600 To 2600$sup 0$, Effects Of Insulating And Sheating Materials On; Hafnium Oxides/performance As High-temperature Thermocouple Insulation; Beryllium Oxides/performance As High-temperature Thermocouple Insulation; Tungsten Couples/re--w/w, Performance At 1600 To 2600$sup 0$, Effects Of Insulating And Sheathing Materials On; Rhenium Alloy Couples/re--w/w, Performance At 1600 To 2600$sup 0$, Effects Of Insulating And Sheathing Materials On. |
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| Abstract: | Studies of very high-temperature thermocouple characteristics for instrumentation and electrical components used in fast breeder reactors showed that the thermoelectric emf produced along BeO, HfO₂, or ThO₂ insulators can affect the output of the thermoelements. Bare-wire thermocouples are influenced by environment. Radiation effects on W versus W - Re thermocouples in the ORR after ̃ 2 months in a 1.2 x 10¹⁴n/cm²-sec thermal and 2.1 x 10¹³n/cm²-sec fast flux indicate that W and W - Re thermoelements shift similarly in thermal emf, resulting in a positive error of 5 deg C. Hafnates such as CaHfO₃, SrHfO₃, and SrZrO₃ were found to be inferior to BeO and HfO₂ as thermocouple insulating materials. (F.S.) |
| Item Description: | Published through the Information Bridge: DOE Scientific and Technical Information. 10/31/1969. "gemp--1004" Part of: AEC Fuels and Materials Development Program. Seventh annual report. Funston, E.S.; Kuhlman, W.C. |
| Physical Description: | p. 351-360 : digital, PDF file. |