Apparatus and method for measuring a temperature of coolant in a reactor core, and apparatus for monitoring a reactor core
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United States of America Patent
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Sep 9, 2014
Grant Date -
Aug 30, 2007
app pub date -
Sep 14, 2006
filing date -
Sep 15, 2005
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Abstract
A reactor core coolant temperature measuring apparatus for measuring the temperature of the coolant flowing in the reactor core of a nuclear reactor comprises a γ-ray thermometer having a temperature measuring section arranged below the bottom of the reactor core and a γ-ray heat generation detecting section arranged between the bottom and the top of the reactor core, a cable for transmitting the signal output from the temperature measuring section and an output signal processing means for receiving the signal and computationally determining the local temperature of the coolant at the position of placement of the temperature measuring section.
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