ASTM E1005-2015 red 5625 Standard Test Method for Application and Analysis of Radiometric Monitors for Reactor Vessel Surveillance《反应堆压力容器监测用辐射监测器的应用和分析的标准试验方法》.pdf
《ASTM E1005-2015 red 5625 Standard Test Method for Application and Analysis of Radiometric Monitors for Reactor Vessel Surveillance《反应堆压力容器监测用辐射监测器的应用和分析的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM E1005-2015 red 5625 Standard Test Method for Application and Analysis of Radiometric Monitors for Reactor Vessel Surveillance《反应堆压力容器监测用辐射监测器的应用和分析的标准试验方法》.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E1005 10E1005 15Standard Test Method forApplication and Analysis of Radiometric Monitors forReactor Vessel Surveillance, E 706 (IIIA)Surveillance1This standard is issued under the fixed designation E1005; the number immediately following the designation indicates the year oforiginal ado
2、ption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method describes general procedures for measuring the specifi
3、c activities of radioactive nuclides produced inradiometric monitors (RMs) by nuclear reactions induced during surveillance exposures for reactor vessels and support structures.More detailed procedures for individual RMs are provided in separate standards identified in 2.1 and in Refs 1, (2-1-5.).2
4、Themeasurement results can be used to define corresponding neutron induced reaction rates that can in turn be used to characterizethe irradiation environment of the reactor vessel and support structure. The principal measurement technique is high resolutiongamma-ray spectrometry, although X-ray phot
5、on spectrometry and Beta particle counting are used to a lesser degree for specificRMs (6-1-29).1.1.1 The measurement procedures include corrections for detector background radiation, random and true coincidencesumming losses, differences in geometry between calibration source standards and the RMs,
6、 self absorption of radiation by the RM,other absorption effects, radioactive decay corrections, and burn out of the nuclide of interest (6-1526, 16-26).1.1.2 Specific activities are calculated by taking into account the time duration of the count, the elapsed time between start ofcount and the end
7、of the irradiation, the half life, the mass of the target nuclide in the RM, and the branching intensities of theradiation of interest. Using the appropriate half life and known conditions of the irradiation, the specific activities may be convertedinto corresponding reaction rates (2-530,28-30).1.1
8、.3 Procedures for calculation of reaction rates from the radioactivity measurements and the irradiation power time historyare included. A reaction rate can be converted to neutron fluence rate and fluence using the appropriate integral cross section andeffective irradiation time values, and, with ot
9、her reaction rates can be used to define the neutron spectrum through the use ofsuitable computer programs (2-530,28-30).1.1.4 The use of benchmark neutron fields for calibration of RMs can reduce significantly or eliminate systematic errors sincemany parameters, and their respective uncertainties,
10、required for calculation of absolute reaction rates are common to both thebenchmark and test measurements and therefore are self canceling. The benchmark equivalent fluence rates, for the environmenttested, can be calculated from a direct ratio of the measured saturated activities in the two environ
11、ments and the certifiedbenchmark fluence rate (2-530,28-30).1.2 This method is intended to be used in conjunction with ASTM Guide E844. The following existing or proposed ASTMpractices, guides, and methods are also directly involved in the physics-dosimetry evaluation of reactor vessel and support s
12、tructuresurveillance measurements:E706 Master Matrix for Light-Water Reactor Pressure Vessel Surveillance Standards, E706 (O) 3E853 Analysis and Interpretation of Light-Water Reactor Surveillance Results, E706 (IA)3E693 Practice for Characterizing Neutron Exposures in Iron and Low Alloy Steels in Te
13、rms of Displacements Per Atom (DPA),E706 (ID)3E185 Practice for Conducting Surveillance Tests for Light-Water Nuclear Power Reactor Vessels, E706 (IF)3E1035 Practice for Determining Radiation Exposure for Nuclear Reactor Vessel Support Structures, E706 (IG)3E636 Practice for Conducting Supplemental
14、Surveillance Tests for Nuclear Power Reactor Vessels, E706 (IH)3E2956 Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels3E944 Guide for Application of Neutron Spectrum Adjustment Methods in Reactor Surveillance, E706 (IIA)3E1018 Guide for Application of ASTM Evaluated Cross Se
15、ction and Data File, E706 (IIB)31 This test method is under the jurisdiction of ASTM Committee E10 on Nuclear Technology and Applications and is the direct responsibility of Subcommittee E10.05on Nuclear Radiation Metrology.Current edition approved Jan. 1, 2010July 1, 2015. Published February 2010Oc
16、tober 2015. Originally approved in 1997. Last previous edition approved in 20032010 asE10050310.1. DOI: 10.1520/E1005-10.10.1520/E1005-15.2 The boldface numbers in parentheses refer to the list of references appended to this method.3 The reference in parentheses refers to Section 5 as well as Figs.
17、1 and 2 of Matrix E706.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that
18、users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E482 Guide for Applicatio
19、n of Neutron Transport Methods for Reactor Vessel Surveillance, E706 (IID)3E2005 Guide for the Benchmark Testing of Reactor Vessel Dosimetry in Standard and Reference Neutron FieldsE2006 Guide for the Benchmark Testing of Light Water Reactor CalculationsE854 Test Method forApplication andAnalysis of
20、 Solid State Track Recorder (SSTR) Monitors for Reactor Vessel Surveillance,E706 (IIIB)3E910 Test Method for Application and Analysis of Helium Accumulation Fluence Monitors for Reactor Vessel Surveillance,E706 (IIIC)3E1214 Application and Analysis of Temperature Monitors for Reactor Vessel Surveill
21、ance, E706 (IIIE) 31.3 The general procedures in this test method are applicable to the measurement of radioactivity in RMs that satisfy the specificconstraints and conditions imposed for their analysis. More detailed procedures for individual RM monitors are identified in 2.1and in Refs 1, 2-1-5 (s
22、ee Table 1).1.4 This test method, along with the individual RM monitor standard methods, are intended for use by knowledgeable personswho are intimately familiar with the procedures, equipment, and techniques necessary to achieve high precision and accuracy inradioactivity measurements.1.5 The value
23、s stated in SI units are to be regarded as standard. No other units of measurement are included in thisstandard.standard, except for the energy units based on the electron volt, keV and Mev, and the time units: minute (min), hour (h),day (d), and year (a).1.6 This standard does not purport to addres
24、s all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards (some already ident
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