Leak rate metrology for the society and industry

被引:19
作者
Bergoglio, M. [1 ]
Mari, D. [1 ]
机构
[1] INRIM Ist Nazl Ric Metrol, Turin, Italy
关键词
Leak testing; Metrology; Gas flow; GAS-FLOW; PRIMARY STANDARD; CALIBRATION; VACUUM; SYSTEM; RANGE; TUBES;
D O I
10.1016/j.measurement.2011.10.037
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Leak detection is a non-destructive test performed to verify materials and components in agreement with the prescribed specifications, by using techniques, which do not damage their characteristics or performances. The leak check of fluids dates back in time; it started to be applied at the end of the 19th century when the electron was discovered and early in 20th century when the first mass spectrometer was realized. Today, for environmental and personal safety more effective leak detection and location capabilities on various artifacts are necessary. Leak detection techniques are widely applied in many branches of industry. In the paper leak test requirements in general and the differences between the test methods are shortly reviewed. The choice of proper leak detection technique is related to the sensitivity and leak thresholds. Whatever method is chosen, a traceability chain must be guaranteed starting from the NMIs that have developed primary standards. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2434 / 2440
页数:7
相关论文
共 40 条
[1]  
Abbott P.J., 1996, J VAC SCI TECHNOL A, V14
[2]  
[Anonymous], 1998, HDB NOND TEST
[3]   AN ION-PUMP BASED LEAK DETECTOR [J].
AUDI, M .
VACUUM, 1990, 41 (7-9) :1856-1859
[4]   Two primary standards for low flows of gases [J].
Berg, RF ;
Tison, SA .
JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, 2004, 109 (04) :435-450
[5]   Mathematical model applied to the experimental calibration results of a capillary standard leak [J].
Bergoglio, M ;
Brondino, G ;
Calcatelli, A ;
Raiteri, G ;
Rumiano, G .
FLOW MEASUREMENT AND INSTRUMENTATION, 2006, 17 (02) :129-138
[6]   INRIM continuous expansion system as high vacuum primary standard for gas pressure measurements below 9 x 10-2 Pa [J].
Bergoglio, M. ;
Mari, D. .
VACUUM, 2009, 84 (01) :270-273
[7]   HELIUM LEAK DETECTORS - FROM A LABORATORY DEVICE TO DEDICATED INDUSTRIAL LEAK TEST UNITS [J].
BLEY, WG .
VACUUM, 1993, 44 (5-7) :627-632
[8]  
Block M., 2006, ECNDT
[9]   Pressure waves as a tool for leak detection in closed conduits [J].
Brunone, B. ;
Ferrante, M. .
URBAN WATER JOURNAL, 2004, 1 (02) :145-155
[10]   Leak detection, calibrations and reference flows: Practical example [J].
Calcatelli, A. ;
Bergoglio, M. ;
Mari, D. .
VACUUM, 2007, 81 (11-12) :1538-1544