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AbstractAbstract
[en] In the Chatillon reactor the temperature is measured (1) in the interior of one of the vertical A1 cylinders filled with UO2 (temperature interval 20 to 70 deg. C), and (2) in the center of the tank containing D2O (20 to 50 deg. C). The instruments used are silver-constantan thermocouples; the wires are insulated by SiO2 sheaths, those immersed in D2O being placed within Al cases 10 mm diameter. In the Saclay reactor the temperature is taken (1) in the interior of 4 U rods (20 to 300 deg. C), (2) at 2 points of the D2O mass (20 to 60 deg. C), (3) at one point in graphite (20 to 100 deg. C), and (4) at 5 points in the catalytic setup (200 deg. C). Copper-constantan couples are used (Ag-constantan is not suitable above 150 deg. C); the wires are enclosed in a sheath of glass fabric. In both reactors the accuracy of the temperature measurements is 0.5 deg. C. (author)
Original Title
La mesure des temperatures dans les piles atomiques francaises
Primary Subject
Secondary Subject
Source
Oct 1950; 16 p
Record Type
Report
Report Number
Country of publication
ALLOY-CU52NI47, ALLOYS, CONTAINERS, CONTROL EQUIPMENT, COPPER ALLOYS, COPPER BASE ALLOYS, DEUTERIUM COMPOUNDS, ELECTRIC MEASURING INSTRUMENTS, ELECTRICAL EQUIPMENT, ELEMENTS, EQUIPMENT, EXPERIMENTAL REACTORS, HEAVY WATER COOLED REACTORS, HEAVY WATER MODERATED REACTORS, HYDROGEN COMPOUNDS, IRRADIATION REACTORS, ISOTOPE PRODUCTION REACTORS, MEASURING INSTRUMENTS, METALS, NATURAL URANIUM REACTORS, NICKEL ALLOYS, OXYGEN COMPOUNDS, REACTORS, RESEARCH AND TEST REACTORS, RESEARCH REACTORS, SEMICONDUCTOR DEVICES, TANK TYPE REACTORS, THERMAL REACTORS, TRANSITION ELEMENT ALLOYS, TRANSITION ELEMENTS, WATER
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