A new method to determine the neutron sensitivity of a micro fission chamber for a boiling water reactor

Authors
Kimura, A Fujita, K Nakazawa, M Fujita, S Seki, E Tanaka, Y Kono, S
Citation
A. Kimura et al., A new method to determine the neutron sensitivity of a micro fission chamber for a boiling water reactor, NUCL TECH, 136(2), 2001, pp. 197-203
Citations number
5
Categorie Soggetti
Nuclear Emgineering
Journal title
NUCLEAR TECHNOLOGY
ISSN journal
00295450 → ACNP
Volume
136
Issue
2
Year of publication
2001
Pages
197 - 203
Database
ISI
SICI code
0029-5450(200111)136:2<197:ANMTDT>2.0.ZU;2-B
Abstract
A new method to determine neutron sensitivity of uranium-type local power r ange monitors (LPRMs) has been developed. In this method, neutron sensitivi ty of LPRMs is obtained from alpha-ray current of U-234. The uncertainty of the calibration for neutron sensitivity using alpha-ray current was 2.1%, and the correlation coefficient of these neutron sensitivities was 0.868 (s ample: 50 cases). Using this method, the neutron sensitivity can be obtaine d without irradiation tests of LPRMs in reactors.