You need JavaScript to view this

Development of nondestructive measurement system for quantifying radioactivity from crud, liquids and gases in a contaminated pipe

Abstract

A nondestructive measuring method was developed to quantify separately radioisotope concentrations of crud, liquids and gases in a contaminated pipe. For applying this method to practical in-situ measurement, a nondestructive measurement system was developed. The measurement system consists of an in-situ equipment for gamma-ray scanning measurements and a data-processing equipment for analysis of radioactivity. The communication between both equipments is performed by a wireless telemeter device. To construct the measurement system, a gas-cooled Ge detector of practical use, small-sized electronics circuits, a fast and reliable telemeter device and automatic measurement technics using a computer were developed. Through performance tests, it is confirmed that the measurement system is effective for in-situ measurements of radioactivity in a contaminated pipe. The measurement accuracy with this measurement system is 10 - 20 %, which was determined by comparison with solid and liquid radioisotope concentrations in a mock-up contaminated pipe that had been quantified in advance. (author).
Authors:
Katagiri, Masaki; Ito, Hirokuni; Wakayama, Naoaki [1] 
  1. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment
Publication Date:
Nov 01, 1992
Product Type:
Technical Report
Report Number:
JAERI-M-92-184
Reference Number:
SCA: 440102; 420500; 990200; PA: JPN-93:004128; SN: 93000987264
Resource Relation:
Other Information: PBD: Nov 1992
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 42 ENGINEERING; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; RADIOISOTOPE SCANNING; DATA ACQUISITION SYSTEMS; PRIMARY COOLANT CIRCUITS; PIPES; CONTAMINATION; RADIOACTIVITY; DEPOSITION; DATA PROCESSING; REMOTE CONTROL; TELEMETRY; GE SEMICONDUCTOR DETECTORS; AUTOMATION; PERFORMANCE TESTING; NONDESTRUCTIVE TESTING; PROGRAMMING; 440102; 420500; 990200; RADIATION DOSEMETERS; MATERIALS TESTING; MATHEMATICS AND COMPUTERS
OSTI ID:
10150656
Research Organizations:
Japan Atomic Energy Research Inst., Tokyo (Japan)
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Other: ON: DE93788391; TRN: JP9304128
Availability:
OSTI; NTIS; INIS
Submitting Site:
JPN
Size:
77 p.
Announcement Date:
Jul 05, 2005

Citation Formats

Katagiri, Masaki, Ito, Hirokuni, and Wakayama, Naoaki. Development of nondestructive measurement system for quantifying radioactivity from crud, liquids and gases in a contaminated pipe. Japan: N. p., 1992. Web.
Katagiri, Masaki, Ito, Hirokuni, & Wakayama, Naoaki. Development of nondestructive measurement system for quantifying radioactivity from crud, liquids and gases in a contaminated pipe. Japan.
Katagiri, Masaki, Ito, Hirokuni, and Wakayama, Naoaki. 1992. "Development of nondestructive measurement system for quantifying radioactivity from crud, liquids and gases in a contaminated pipe." Japan.
@misc{etde_10150656,
title = {Development of nondestructive measurement system for quantifying radioactivity from crud, liquids and gases in a contaminated pipe}
author = {Katagiri, Masaki, Ito, Hirokuni, and Wakayama, Naoaki}
abstractNote = {A nondestructive measuring method was developed to quantify separately radioisotope concentrations of crud, liquids and gases in a contaminated pipe. For applying this method to practical in-situ measurement, a nondestructive measurement system was developed. The measurement system consists of an in-situ equipment for gamma-ray scanning measurements and a data-processing equipment for analysis of radioactivity. The communication between both equipments is performed by a wireless telemeter device. To construct the measurement system, a gas-cooled Ge detector of practical use, small-sized electronics circuits, a fast and reliable telemeter device and automatic measurement technics using a computer were developed. Through performance tests, it is confirmed that the measurement system is effective for in-situ measurements of radioactivity in a contaminated pipe. The measurement accuracy with this measurement system is 10 - 20 %, which was determined by comparison with solid and liquid radioisotope concentrations in a mock-up contaminated pipe that had been quantified in advance. (author).}
place = {Japan}
year = {1992}
month = {Nov}
}