In-Core experiments of the eddy current type flow meter at "JOYO" (II)

Muramatsu, Toshiharu; not registered; not registered; not registered; not registered; not registered

The eddy current type flow meters were installed above the center of the core in "JOYO", in order to study their feasibiliey under high temp and high energy neutron flux condition. The characteristics of flowmeter placed at the center are as followings, (1)The unbalance signal of flow signal drifted-40%, compared with result at 4th oyde operation of 75MW power. (2)The lineality of flow signal at sensor 1 VS. main flow was obtained as5% of full scall in each test case. (3)The lineality of temperature dependency of flow signal. at 1 sensor was obtained as 4% of 600 $^{circ}$ C full scale. (4)The lineality of temperature signal at sensor 1 VS. Thermocouple (TC-1) was obtained as 1% of full scale 600 $^{circ}$ C on each test cycle. (5)Change of each coil resistance was very in significant at neutron flux level of about 4.0610 $^{19}$ n/cm $^{2}$ for 130days.

Language	:	Japanese
Report No.	:	PNC TN941 82-176
Pages	:	90 Pages
Publication Year/Month	:	1982/08
Patent information	:
PDF	:	PNC-TN941-82-176.pdf:3.55MB
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Keywords	:	no keyword
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Registration No. : GJ0919820178
JAEA Abstracts No. :

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