INVESTIGATION OF [beta]-EMISSION METHODS OF MONITORING COOLANT WATER LEVEL IN NUCLEAR POWER PLANTS

• Published in: Atomic energy (New York, N.Y.) Vol. 122; no. 3; pp. 207 - 212
• Main Authors: Aleksandrov, S.I, Bolshov, A.A, Kornienko, A.V, Novikov, I.V, Postnikov, V.V, Shishov, V.P, Yurkin, G.V
• Format: Journal Article
• Language: English
• Published: Springer 01.07.2017
• Subjects: Analysis; Methods; Nuclear energy; Nuclear power plants; Sensors
• ISSN: 1063-4258; 1573-8205
• DOI: 10.1007/s10512-017-0256-6

This investigation was performed on a vessel heat-engineering bench. The working medium was water under pressure up to it 20.5 MPa and temperature from 20 (cold) to 350[degrees]C (hot). The controllers were a [beta]-emission sensor of level and a Sapfir-22DD differential manometer as the standard. The objective was to determine the characteristics of a [beta]-emission sensor under the conditions of the working medium. Analysis of the experimental data showed that the indications of the [beta]-emission sensor and differential manometer were identical and linear as a function of the level of both the cold and hot water. The characteristics of the [beta]-emission sensor are: minimal response time and measurement error, very small dimensions, serviceability at pressures to 20.5 MPa and temperature to 350[degrees]C, at least 10 years life, and energy independence of the primary converter.