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Relevant bibliographies by topics / Leakage assessment methodology

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Academic literature on the topic 'Leakage assessment methodology'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Leakage assessment methodology"

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Schneider, Tobias, and Amir Moradi. "Leakage assessment methodology." Journal of Cryptographic Engineering 6, no. 2 (2016): 85–99. http://dx.doi.org/10.1007/s13389-016-0120-y.

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Wang, Xiaojia, Xianli Liu, Zhaoyang Jin, Jiewen Zhu, and Baosheng Jin. "Theoretical Methodology of a High-Flux Coal-Direct Chemical Looping Combustion System." Processes 6, no. 12 (2018): 251. http://dx.doi.org/10.3390/pr6120251.

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This study, as an extension of our previous experimental tests, presented a mechanism analysis of air reactor (AR) coupling in a high-flux coal-direct chemical looping combustion (CDCLC) system and provided a theoretical methodology to the system optimal design with favorable operation stability and low gas leakages. Firstly, it exhibited the dipleg flow diagrams of the CDCLC system and concluded the feasible gas–solid flow states for solid circulation and gas leakage control. On this basis, the semi-theoretical formulas of gas leakages were proposed to predict the optimal regions of the press

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Pietrucha-Urbanik, Katarzyna, Barbara Tchórzewska-Cieślak, and Mohamed Eid. "Water Network-Failure Data Assessment." Energies 13, no. 11 (2020): 2990. http://dx.doi.org/10.3390/en13112990.

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The water-supply system is one of the basic and most important critical infrastructures. Water supply service disruption (water quality or quantity) may have serious consequences in modern societies. Water supply service is subject to various failure modes. Failure modes are specified by their degradation mechanisms, criticality, occurrence frequency and intensity. These failure modes have a random nature that impacts on the network disruption indicators, such as disruption frequency, network downtime, network repair time and network back-to-service time, i.e., the network resilience. This pap

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HASSAN, Kamrul, Oaisharia Vocto OISHI, and Farzana AFROZ. "ASSESSMENT OF ECONOMIC LEAKAGE IN TOURISM SYSTEM OF THE SUNDARBANS (BANGLADESH)." Analele Universităţii din Oradea, Seria Geografie 34, no. 1 (2024): 77–91. http://dx.doi.org/10.30892/auog.34106-917.

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The tourism industry employs the term ‘economic leakage’ to describe the phenomenon of tourism revenue of a destination leaving to outside economy from the destination of reference. This study aims to measure the economic leakage in the tourism system of the Sundarbans in Bangladesh. To address the research aim, a quantitative research methodology has been employed. A total of 22 participants were interviewed out of 190 tourism businesses offering tours in the Sundarbans. This research has found that 28% of economic leakage occurred in the tourism system of the Sundarbans. Imported products (e

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Campbell, Enrique, Amilkar Illaya-Ayza, Joaquín Izquierdo, Rafael Pérez-García, and Idel Montalvo. "Social-network-based water supply network sectorization methodology using monte carlo simulation to predict economical and operational benefits." Acta Universitaria 26 (March 3, 2017): 44–53. http://dx.doi.org/10.15174/au.2016.1060.

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Water Supply Network (WSN) sectorization is a broadly known technique aimed at enhancing water supply management. In general, existing methodologies for sectorization of WSNs are limited to assessment of the impact of its implementation over reduction of background leakage, underestimating increased capacity to detect new leakage events and undermining appropriate investment substantiation. In this work, we raise this issue and put in place a methodology to optimize sectors' design. To this end, we carry out a novel combination of the Short Run Economic Leakage Level concept (SRELL- correspond

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Pérez, R., S. de las Heras, J. Aguilar, J. Pascual, A. Peralta, and E. Landeros. "District management areas characterisation in water network based on clustering." Water Supply 9, no. 5 (2009): 591–600. http://dx.doi.org/10.2166/ws.2009.633.

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The division of a network in different sectors is a usual practice in Water Companies. It improves the management of the network in different senses. Sectors have more homogenous characteristics and need specific cares and treatments that is not the same all through the network. Specifically for leakage detection and assessment it is interesting to know the performance of the sector before any leakage detection strategy is applied. In this paper a characterisation methodology for the sectors is presented. This methodology is based on the knowledge provided by the company but has been analysed

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Rogozin, E. A., D. G. Silka, and O. A. Gulyaev. "METHODOLOGY FOR ASSESSING THE SECURITY OF INFORMATION PASSED THROUGH THE TECHNICAL CHANNELS OF A SPECIAL-PURPOSE INFORMATISATION OBJECT." Herald of Dagestan State Technical University. Technical Sciences 46, no. 4 (2020): 123–33. http://dx.doi.org/10.21822/2073-6185-2019-46-4-123-133.

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Objectives. In order to determine the security of a special-purpose informatisation object, it is necessary to calculate the effectiveness indicators of information security (IS) measures aimed at preventing unauthorised access (UA) threats associated with information leakage through technical (acoustic) channels. In order to determine the actual channels of information leakage, it is necessary to develop a list of actions to neutralise potential threats, including the development of an information protection system for a special-purpose informatisation object.Method. A security assessment of

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Sun, He, Zhenglong Yang, Lichen Wang, and Jian Xie. "Leakage failure probability assessment of submarine pipelines using a novel pythagorean fuzzy bayesian network methodology." Ocean Engineering 288 (November 2023): 115954. http://dx.doi.org/10.1016/j.oceaneng.2023.115954.

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Kozlov, A., and N. Noga. "About Some Risks Associated with Subjective Factors, and the Methodology for their Assessment." Review of Business and Economics Studies 9, no. 3 (2021): 94–102. http://dx.doi.org/10.26794/2308-944x-2021-9-3-94-102.

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The authors propose a methodology for assessing the risk associated with subjective factors that may affect the achievement of the final goals of business projects, including ensuring information security. Such factors may include the level of salary, the level of professionalism, and others. At the same time, we propose carrying out the risk assessment by using the fuzzy logic method, which allows us to determine the dependence of the risk on various parameters under conditions of their uncertainty. According to the authors, the proposed methodology will help avoid some incorrect management d

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Xiao, Ting, Brian McPherson, Richard Esser, et al. "Chemical Impacts of Potential CO2 and Brine Leakage on Groundwater Quality with Quantitative Risk Assessment: A Case Study of the Farnsworth Unit." Energies 13, no. 24 (2020): 6574. http://dx.doi.org/10.3390/en13246574.

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Potential leakage of reservoir fluids is considered a key risk factor for geologic CO2 sequestration (GCS), with concerns of their chemical impacts on the quality of overlying underground sources of drinking water (USDWs). Effective risk assessment provides useful information to guide GCS activities for protecting USDWs. In this study, we present a quantified risk assessment case study of an active commercial-scale CO2-enhanced oil recovery (CO2-EOR) and sequestration field, the Farnsworth Unit (FWU). Specific objectives of this study include: (1) to quantify potential risks of CO2 and brine l

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Dissertations / Theses on the topic "Leakage assessment methodology"

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Sharma, Neha. "Development of CFD Methodology to Quantify Particle-transmission Percentage of Personal Protective Equipment." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1523635154570205.

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Максюта, Дмитрий Игоревич. "Комбинированный метод аэродинамической оптимизации ступени осевой турбины". Thesis, НТУ "ХПИ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21648.

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Диссертация на соискание ученой степени кандидата технических наук по специальности 05.05.16 – турбомашины и турбоустановки. – Национальный технический университет "Харьковский политехнический институт", Харьков, 2016. Диссертация посвящена разработке комбинированного метода аэродинамической оптимизации ступени осевой турбины, который основываясь на поочередном решении одномерной и трехмерной задач, позволяет значительно повысить эффективность всей ступени при этом учитывая как характер течения рабочего тела в решетках, так и влияние на него протечек. На основании современной тенденций к испол

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Максюта, Дмитро Ігорович. "Комбінований метод аеродинамічної оптимізації ступеня осьової турбіни". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21646.

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Дисертація присвячена розробці комбінованого методу аеродінамічної оптимізації ступеня осьової турбіни, який ґрунтуючись на почерговому вирішенні одновимірної та тривимірної задач, дозволяє значно підвищити ефективність всього ступеня враховуючи як характер течії робочого тіла в решітках, так і вплив на неї витоки. На підставі сучасної тенденцій до використання методів чисельної аеродинаміки (CFD) при оптимізації проточних частин осьових турбін і при цьому задіяючи якомога більшу кількість управляючих параметрів в оптимізаційному процесі, запропонований комбінований метод оптимізації. Запропон

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Book chapters on the topic "Leakage assessment methodology"

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Schneider, Tobias, and Amir Moradi. "Leakage Assessment Methodology." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48324-4_25.

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Lepikhin, Anatoly, Victor Leschenko, and Nikolay Makhutov. "Defects Assessment in Subsea Pipelines by Risk Criteria." In Issues on Risk Analysis for Critical Infrastructure Protection [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94851.

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Subsea inter-field pipelines are an important element of offshore oil and gas infrastructure. Leakage or fracture of these pipelines is associated with the risk of large economic and environmental losses. One of the main sources of pipeline fracture is pipe defects. The presented section discusses the methodological aspects of assessing the hazard of defects of subsea inter-field pipelines by risk criteria of accidents. A conceptual approach of defects hazard assessing by risk criteria has been formulated, based on analysis the requirement of modern standards. The risk is defined as the probab

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Conference papers on the topic "Leakage assessment methodology"

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Bhandari, Jyoti, Faisal Khan, Rouzbeh Abbassi, Vikram Garaniya, and Roberto Ojeda. "Reliability Assessment of Offshore Asset under Pitting Corrosion Using Bayesian Network." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07070.

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Abstract Corrosion is a major cause of structural deterioration in marine and offshore industries. It affects the life of process equipment and pipelines resulting in structural failure, leakage, product loss, environmental pollution and the loss of life. Pitting corrosion is regarded as one of the most hazardous forms of corrosion in marine and offshore structures. Hence reliability assessments of these structures are crucial. The empirical and statistical degradation models are developed by either fitting field or lab data. However, these models are only useful for specific site or operating

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Canto, J., H. Rivera, N. Pesce, et al. "CIS Study and Interference Root Cause Analysis of an Early External Corrosion Leakage of a Production Gas Pipeline in the Gas Fields in Northeast Mexico." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08126.

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Abstract The gas production in Northern Mexico has experienced significant growth in the last years. The fields are now exploited by a number of gas producers increasing the complexity of the Cathodic Protection(CP) systems. We report a case of study of a one year old 10” pipeline segment which was damaged by interference current discharge causing a significant number of gas leaks, and over 14 deep corrosion pits. The pipeline was fully removed and reconstructed along the discharge zone of over 2 miles. A CIS study was performed on the pipeline to find a zone of current pick up nearby an anode

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Cuervo, Bernardo, and Mark McQueen. "Corrosion under Insulation and Atmospheric Corrosion in the Refinery Industry. an Accurate Approach to Estimate Corrosion Growth Rates, a Texas Refinery Case Study." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17751.

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Abstract Corrosion under insulation (CUI) is corrosion that results from moisture buildup on pipelines covered by insulation. Atmospheric corrosion is the electrochemical decay of a carbon steel pipeline in an air environment, under the presence of an electrolyte such as rain, dew, humidity, or snow. Salt and pollutants in the air and soil aggravate atmospheric corrosion and CUI. Both CUI and atmospheric corrosion are costly problems in refineries. In a Texas refinery, CUI causes approximately 60% of all pipe leaks and was particularly difficult to prevent, track, and mitigate. In this paper,

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Li, Yanping, Mona Abdolrazaghi, Len Krissa, and Gordon Fredine. "Validation of Corrosion Growth Rate Models." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09504.

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Abstract Corrosion growth rate (CGR) is one of the key elements in corrosion threat management. It is used to determine metal loss In-Line Inspection (ILI) re-assessment interval, identify high growth features that require excavation before the next ILI and predict probability of failure of an unmitigated feature. Overestimated CGR may result in unnecessary expenditures for excavations and remediation, while underestimated CGR could result in pipeline failure. Although there are many methods to derive CGR from successive ILIs, there is no particular approach widely accepted by industry. In thi

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Lei, Wan, Lihui Wang, Weijun Shan, Kun Jiang, and Qing Li. "A Frequency-Based Leakage Assessment Methodology for Side-Channel Evaluations." In 2017 13th International Conference on Computational Intelligence and Security (CIS). IEEE, 2017. http://dx.doi.org/10.1109/cis.2017.00137.

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Ford, Eric, Hans Petter Lohne, Katherine Beltrán-Jiménez, and Laurent Delabroy. "Methodology to Use the Cement Bond Quality Classification Matrix as Input for Leakage Rates Assessment." In IADC/SPE International Drilling Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/208685-ms.

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Abstract Verification of the quality of the cement barrier behind casing is often performed through acoustic or ultrasonic cement logs that probe the presence of cement and its bonding to the casing. In risk-based approaches to permanent well abandonment design, the probable conditions of the existing barriers in the well should be reflected in terms of reliability, or conversely, the risk of leakage through the barrier over time. Connecting the log response to a predictive model of leakage potential behind casings remains a key challenge for the industry. We build on ultrasonic cement logs ac

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Brown, Warren. "Development and Use of the Risk-Based Joint Integrity (RBJI) Assessment Methodology." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45896.

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The ability to determine, using a uniform approach, which joints in a unit, plant or company represent the highest level of risk of leakage is extremely useful. Similarly to Risk-Based Inspection (RBI), Risk Based Joint Integrity (RBJI) allows the identification and allocation of resources to the joints that pose the greatest risk of failure. This ensures that the appropriate level of effort is placed in the most appropriate locations. This paper outlines a quantitative methodology for assessing the probability of failure for any given pressure boundary bolted joint. It allows rapid calculatio

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Wu, Zheng, Alvin Wei Ze Chew, Rony Kalfarisi, et al. "Acoustic Data Analysis Framework for Near Real-Time Leakage Detection and Localization for Smart Water Grid." In 2nd WDSA/CCWI Joint Conference. Editorial Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/wdsa-ccwi2022.2022.14109.

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Acoustic sensors are widely used for monitoring urbanized water distribution networks (WDNs) to detect and localize pipe leakages. Since their inception, few research studies have focused on developing a generic, effective, and practical methodology to analyse complex acoustics signals for leakage detection and localization in large-scale WDNs. In collaboration with PUB, Singapore’s National Water Agency, a generic acoustic data analysis approach has been developed to facilitate PUB’s present Smart Water Grid (SWG) management. The proposed approach encompasses multi-stage systematic analyses,

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Adams, Timothy M., and Scott Quiggle. "Application of Earthquake Experience Data as Part of the Seismic Verification of Modified Main Steam Isolation Valve Leakage Pathway Piping." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2916.

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The Monticello Nuclear Generating Plant made modifications to the turbine island in 1998 to achieve a 5% power uprate. The radiological analysis conducted for power uprate took credit for deposition and holdup of radioactive iodine in the steam lines downstream of the Main Steam Isolation Valves (MSIV’s) and in the main condenser. The original design basis of certain main steam system piping, equipment, and components that comprise the MSIV Leakage Pathway was not in accordance with Seismic Category I requirements. As part of the original program seismic verification walkdowns were performed t

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Kayll, D., M. Defo, T. Moore, and M. Lacasse. "A Methodology for Assessment of Building Assembly Air Leakage Moisture Response, Condensation Risk, and Expected Durability When Subjected to Projected Future Climate Loads." In XV International Conference on Durability of Building Materials and Components. CIMNE, 2020. http://dx.doi.org/10.23967/dbmc.2020.183.

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