Degradation mechanisms associated with metal pipes and the effective impact of LDMs and LLMs in water transport and distribution

A Agala, M Khan, A Starr - Proceedings of the Institution of …, 2023 - journals.sagepub.com
The effective operation of water management systems is contingent upon leak localization
and detection–a common problem that is more acute in large networks. This paper reviews …

A code development for leak before break (LBB) leakage from supercritical to subcritical conditions

J Zhang, RH Chen, MJ Wang, WX Tian, YW Wu… - Progress in Nuclear …, 2018 - Elsevier
The leak before break (LBB) concept plays an important role in reactor safety. A code
(LEABLE) for leak before break (LBB) leakage estimation was developed in this paper …

Probabilistic fracture mechanics: J-estimation and finite element methods

S Rahman - Engineering Fracture Mechanics, 2001 - Elsevier
The objective of this study was to evaluate the adequacy of current J-estimation models
commonly used in probabilistic elastic–plastic analysis of ductile cracked structures. A newly …

Probabilistic elastic-plastic fracture mechanics analysis of propagation of cracks in pipes under internal pressure

B Mechab, M Salem, M Malika… - Frattura ed Integrità …, 2020 - fracturae.com
This study presents a three dimensional finite element method analysis of semi-elliptical
surface cracks in pipes under internal pressure load. In the elastic plastic case, estimates …

Probabilistic fracture mechanics for nonlinear structures

S Rahman, JS Kim - International Journal of Pressure Vessels and Piping, 2001 - Elsevier
A probabilistic methodology has been developed for fracture-mechanics analysis of
nonlinear cracked structures. The methodology involves nonlinear finite element analysis …

Leak-before-break: What does it really mean?

G Wilkowski - J. Pressure Vessel Technol., 2000 - asmedigitalcollection.asme.org
Leak-before-break (LBB) is a term that has been used for decades in reference to a
methodology that means that a leak will be discovered prior to a fracture occurring in …

Probabilistic fracture mechanics by Galerkin meshless methods–part II: reliability analysis

S Rahman, BN Rao - Computational mechanics, 2002 - Springer
This is the second in a series of two papers generated from a study on probabilistic
meshless analysis of cracks. In this paper, a stochastic meshless method is presented for …

Probabilistic fracture analysis of cracked pipes with circumferential flaws

S Rahman - International journal of pressure vessels and piping, 1997 - Elsevier
This paper describes the development of a probabilistic fracture-mechanics model for
analyzing circumferential through-walled-cracked pipes subject to bending loads. It involves …

[HTML][HTML] Estimation of leak rate through circumferential cracks in pipes in nuclear power plants

JH Park, YK Cho, SH Kim, JH Lee - Nuclear Engineering and Technology, 2015 - Elsevier
The leak before break (LBB) concept is widely used in designing pipe lines in nuclear power
plants. According to the concept, the amount of leaking liquid from a pipe should be more …

[HTML][HTML] Leak rate testing in the range of leak detection systems

S Schmid, FE Silber, K Heckmann, R Kulenovic… - … Engineering and Design, 2021 - Elsevier
Leak-before-break assessments of piping in nuclear power plants require an accurate
prediction of leakage rates through thin slits and the understanding of uncertainties. Two test …