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Control of helium activity in the fuel reactor channels; Kontrola aktivnosti heliuma u tehnoloskim kanalima

Abstract

The objective of this task was to study the possibility of detecting a damaged fuel channel, and to introduce automated procedure for continuous control of reactor channels during operation. The existing control systems at the RA reactor (permanent control of heavy water and helium activity, radiation monitoring of heavy water and helium system, measurements of fire damp gas percent) are not sufficient for fast detection of fuel element failures. Since a 'hot' fuel channel cannot be removed from the core because it should be cooled in the core by heavy water circulation, it is not possible to prevent contamination of heavy water by fission products. It is concluded that it is not indispensable to detect the failed fuel element promptly, i.e. that tome is not a critical issue.
Authors:
Vidmar, M; Milosevic, M; Hadzic, S [1] 
  1. Institute of Nuclear Sciences Boris Kidric, Reaktor RA, Vinca, Beograd (Yugoslavia)
Publication Date:
Feb 15, 1961
Product Type:
Miscellaneous
Report Number:
INIS-RS-0014; RA-0B-R3-P3-11
Resource Relation:
Other Information: 1 tabs, 2 figs, 5 refs
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; FAILED ELEMENT DETECTION; FUEL ELEMENT FAILURE; HEAVY WATER; HELIUM; PRIMARY COOLANT CIRCUITS; R-A REACTOR; RADIATION MONITORING; REACTOR SAFETY
OSTI ID:
20916397
Country of Origin:
Serbia
Language:
English
Other Identifying Numbers:
TRN: RS06RA031077132
Availability:
Available from INIS in electronic form; Also available from the Institute of nuclear sciences Vinca
Submitting Site:
INIS
Size:
14 pages
Announcement Date:
Sep 24, 2007

Citation Formats

Vidmar, M, Milosevic, M, and Hadzic, S. Control of helium activity in the fuel reactor channels; Kontrola aktivnosti heliuma u tehnoloskim kanalima. Serbia: N. p., 1961. Web.
Vidmar, M, Milosevic, M, & Hadzic, S. Control of helium activity in the fuel reactor channels; Kontrola aktivnosti heliuma u tehnoloskim kanalima. Serbia.
Vidmar, M, Milosevic, M, and Hadzic, S. 1961. "Control of helium activity in the fuel reactor channels; Kontrola aktivnosti heliuma u tehnoloskim kanalima." Serbia.
@misc{etde_20916397,
title = {Control of helium activity in the fuel reactor channels; Kontrola aktivnosti heliuma u tehnoloskim kanalima}
author = {Vidmar, M, Milosevic, M, and Hadzic, S}
abstractNote = {The objective of this task was to study the possibility of detecting a damaged fuel channel, and to introduce automated procedure for continuous control of reactor channels during operation. The existing control systems at the RA reactor (permanent control of heavy water and helium activity, radiation monitoring of heavy water and helium system, measurements of fire damp gas percent) are not sufficient for fast detection of fuel element failures. Since a 'hot' fuel channel cannot be removed from the core because it should be cooled in the core by heavy water circulation, it is not possible to prevent contamination of heavy water by fission products. It is concluded that it is not indispensable to detect the failed fuel element promptly, i.e. that tome is not a critical issue.}
place = {Serbia}
year = {1961}
month = {Feb}
}