Relevant bibliographies by topics / System leak

Academic literature on the topic 'System leak'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "System leak"

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Shin, Yong Hyeon, Seung Soo Hong, In Tae Lim, and Kwang Hwa Chung. "Leak Rate Calibration System." Key Engineering Materials 270-273 (August 2004): 1674–78. http://dx.doi.org/10.4028/www.scientific.net/kem.270-273.1674.

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Marziale, Michael L., and Stephen J. Paradis. "Acoustic leak detection system." Journal of the Acoustical Society of America 91, no. 4 (April 1992): 2304. http://dx.doi.org/10.1121/1.403600.

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Marziale, Michael L., and Stephen J. Paradix. "Acoustic leak detection system." Journal of the Acoustical Society of America 92, no. 6 (December 1992): 3456. http://dx.doi.org/10.1121/1.404124.

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Peacock, Martin J. "Acoustic leak detection system." Journal of the Acoustical Society of America 95, no. 6 (June 1994): 3682. http://dx.doi.org/10.1121/1.409904.

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Urmey, William F., Wallace Elliott, and Daniel B. Raemer. "Vaporizer Fill System Leak." Anesthesia & Analgesia 67, no. 7 (July 1988): 711. http://dx.doi.org/10.1213/00000539-198807000-00021.

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Nemoto, K., K. Kuwano, T. Okutomi, M. Igarashi, H. Nakao, M. Terai, Y. Yanase, T. Yamashita, and M. Yamaji. "Development of a Low Heat Leak Current-Lead System." IEEE Transactions on Appiled Superconductivity 14, no. 2 (June 2004): 1222–24. http://dx.doi.org/10.1109/tasc.2004.830535.

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Hiroki, S., P. Ladd, K. Shaubel, G. Janeschitz, and R. A. Marrs. "Leak detection system in ITER." Fusion Engineering and Design 46, no. 1 (October 1999): 11–26. http://dx.doi.org/10.1016/s0920-3796(99)00058-7.

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Walski, Thomas, David Kaufman, Anthony Gangemi, and William Malos. "System Metering Aids Leak Detection." Opflow 27, no. 7 (July 2001): 8–11. http://dx.doi.org/10.1002/j.1551-8701.2001.tb01605.x.

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Wang, Shuai, Bin Gong, Yang Liu, and Wankun Li. "Automatic gas leak detection system." IOP Conference Series: Earth and Environmental Science 514 (July 3, 2020): 022020. http://dx.doi.org/10.1088/1755-1315/514/2/022020.

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Sulaima, Mohamad Fani, F. Abdullah, Wan Mohd Bukhari, Fara Ashikin Ali, M. N. M. Nasir, and Abu Bakar Yahya. "Oil and Gas Offshore Pipeline Leak Detection System: A Feasibility Study." Applied Mechanics and Materials 699 (November 2014): 891–96. http://dx.doi.org/10.4028/www.scientific.net/amm.699.891.

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Pipelines leaks normally begin at poor joints, corrosions and cracks, and slowly progress to a major leakage. Accidents, terror, sabotage, or theft are some of human factor of pipeline leak. The primary purpose of Pipeline leak detection systems (PLDS) is to assist pipeline operators in detecting and locating leaks earlier. PLDS systems provide an alarm and display other related data to the pipeline operators for their decision-making. It is also beneficial because PLDS can enhance their productivity by reduced downtime and inspection time. PLDS can be divided into internally based or computational modeling PLDS Systems and external hardware based PLDS. The purpose of this paper is to study the various types of leak detection systems based on internally systemtodefine a set of key criteria for evaluating the characteristics of this system and provide an evaluation method of leak detection technology as a guideline of choosing the appropriate system.
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Dissertations / Theses on the topic "System leak"

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Chatzigeorgiou, Dimitris M. "A reliable & autonomous robotic in-pipe leak detection system." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100118.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 145-151).
Leaks are the major factor for unaccounted losses in every pipe network around the world (oil, gas or water). In most cases the deleterious effects associated with the occurrence of leaks may present serious economical and health problems. Therefore, leaks must be quickly detected, located and repaired. Unfortunately, most state-of-the-art leak detection systems are of limited applicability, lack in reliability or depend on user experience for data interpretation. In this dissertation we present a new, autonomous, in-pipe, leak sensing system; the "MIT Leak Detector". The proposed system is able to perform autonomous leak detection in pipes and, thus, eliminates the need for user experience. In addition, the sensing methodology under consideration is independent of pipe material and surrounding medium, thus it is widely applicable. As shown in the experimental section of the thesis, the detection principle proves to be very reliable and sensitive to small leaks in pipes. Last but not least, the robotic system is equipped with intelligence in order to use the acquired sensor signals to estimate the leak size and flow rate without user intervention. We start the thesis by describing the fundamental concept behind detection and present the proposed design. The detection principle in based on the presence of a pressure gradient in the neighborhood of any leak in a pressurized pipe. This phenomenon is translated into force measurements via a carefully designed and instrumented mechanical embodiment. In addition, an analytic dynamic model of the robotic detector is derived. Further study and analysis show that the proposed system can sense leaks at any angle around the circumference of the pipe by utilizing two force measurements at specific locations. Finally, a prototype is built and experiments are conducted in controlled laboratory conditions in compressed air pipes.
by Dimitris M. Chatzigeorgiou.
Ph. D.
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Chatzigeorgiou, Dimitris M. "Analysis and design of an in-pipe system for water leak detection." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62529.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 131-133).
Leaks are a major factor for unaccounted water losses in almost every water distribution network. Pipeline leak may result, for example, from bad workmanship or from any destructive cause, due to sudden changes of pressure, corrosion, cracks, defects in pipes or lack of maintenance. The problem of leak becomes even more serious when it is concerned with the vital supply of fresh water to the community. In addition to waste of resources, contaminants may infiltrate into the water supply. The possibility of environmental health disasters due to delay in detection of water pipeline leaks have spurred research into the development of methods for pipeline leak and contamination detection. This thesis is on the analysis and design of a floating mobile sensor for leak detection in water distribution pipes. This work covers the study of two modules, namely a "floating body" along with its "sensing module". The Mobility Module or the floating body was carefully studied and designed using advanced CFD techniques to make the body as non-invasive to the flow as possible and to avoid signal corruption. In addition, experiments were carried out to investigate the effectiveness of using in-pipe measurements for leak detection in plastic pipes. Specifically, acoustic signals due to simulated leaks were measured and studied for designing a detection system to be deployed inside water networks of 100mm pipe size.
by Dimitris M. Chatzigeorgiou.
S.M.
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Mitchell, David. "A long-range spectroscopic methane leak sensor system using a high power raman amplifier." Thesis, University of Strathclyde, 2010. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=12841.

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Moroze, Noah(Noah F. ). "Kronos : verifying leak-free reset for a system-on-chip with multiple clock domains." Thesis, Massachusetts Institute of Technology, 2021. https://hdl.handle.net/1721.1/130704.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, February, 2021
Cataloged from the official PDF of thesis.
Includes bibliographical references (pages 97-99).
Notary [3] uses formal verification to prove a hardware-level security property called deterministic start for a simple system-on-chip (SoC). Deterministic start requires that an SoC's state is fully reset by boot code to ensure that secrets cannot leak across reset boundaries. However, Notary's approach has several limitations. Its security property requires that all of the SoC's microarchitectural state can be reset to known values through software, and the property and proof technique apply only to SoCs with a single clock domain. These limitations prevent Notary's approach from being applied to more complex systems. This thesis addresses these limitations through Kronos, a system consisting of a verified SoC that satisfies a new security property called output determinism. Output determinism provides the same security guarantees as Notary without requiring that all of an SoC's state be reset by software. The SoC used in Kronos, called MicroTitan, is based on the open-source OpenTitan [16] and includes multiple clock domains. This thesis evaluates Kronos and demonstrates that existing open-source hardware can be modified to satisfy output determinism with minimal changes, and that the process of proving output determinism reveals hardware issues that violate desired security guarantees.
by Noah Moroze.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
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Vijayaraghavan, Vishnu Karthik. "Methodology to quantify leaks in aerosol sampling system components." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1195.

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Filter holders and continuous air monitors (CAMs) are used extensively in the nuclear industry. It is important to minimize leakage in these devices and in recognition of this consideration, a limit on leakage for sampling systems is specified in ANSI/HPS N13.1-1999; however the protocol given in the standard is really germane to measurement of significant leakage, e.g., several percent of the sampling flow rate. In the present study, a technique for quantifying leakage was developed and that approach was used to measure the sealing integrity of a CAM and two kinds of filter holders. The methodology involves use of sulfur hexafluoride as a tracer gas with the device being tested operated under dynamic flow conditions. The leak rates in these devices were determined in the pressure range from 2.49 kPa (10 In. H2O) vacuum to 2.49 kPa (10 In. H2O) pressure at a typical flow rate of 56.6 L/min (2 cfm). For the two filter holders, the leak rates were less than 0.007% of the nominal flow rate. The leak rate in the CAM was less than 0.2% of the nominal flow rate. These values are well within the limit prescribed in the ANSI standard, which is 5% of the nominal flow rate. Therefore the limit listed in the ANSI standard should be reconsidered as lower values can be achieved, and the methodology presented herein can be used to quantify lower leakage values in sample collectors and analyzers. A theoretical analysis was also done to determine the nature of flow through the leaks and the amount of flow contribution by the different possible mechanisms of flow through leaks.
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Coimbatore, Subramanian Shankar Ram. "A diagnostic system for air brakes in commercial vehicles." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5857.

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This dissertation deals with the development of a model-based diagnostic system for air brake systems that are widely used in commercial vehicles, such as trucks, tractor-trailers, buses, etc. The performance of these brake systems is sensitive to maintenance and hence they require frequent inspections. Current inspection techniques require an inspector to go underneath a vehicle to check the brake system for possible faults, such as leaks, worn brake pads, out-of-adjustment of push rods, etc. Such inspections are time consuming, labor intensive and difficult to perform on vehicles with a low ground clearance. In this context, the development of an onboard/ handheld diagnostic tool for air brakes would be of significant value. Such a tool would automate the brake inspection process, thereby reducing the inspection time and improving the safety of operation of commercial vehicles. In this dissertation, diagnostic schemes are developed to automatically detect two important and prevalent faults that can occur in air brake systems – leaks and out-of-adjustment of push rods. These diagnostic schemes are developed based on a nonlinear model for the pneumatic subsystem of the air brake system that correlates the pressure transients in the brake chamber with the supply pressure to the treadle valve and the displacement of the treadle valve plunger. These diagnostic schemes have been corroborated with data obtained from the experimental facility at Texas A&M University and the results are presented. The response of the pneumatic subsystem of the air brake system is such that it can be classified as what is known as a “Sequential Hybrid System”. In this dissertation, the term “hybrid systems” is used to denote those systems whose mathematical representation involves a finite set of governing ordinary differential equations corresponding to a finite set of modes of operation. The problem of estimating the push rod stroke is posed as a parameter estimation problem and a transition detection problem involving the hybrid model of the pneumatic subsystem of the air brake system. Also, parameter estimation schemes for a class of sequential hybrid systems are developed. The efficacy of these schemes is illustrated with some examples.
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Freas, Rosemarv M. "Analysis of required supporting systems for the Supercritical CO2 power conversion system." Thesis, Cambridge Massachusetts Institute of Technology, 2007. http://hdl.handle.net/10945/2992.

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Recently, attention has been drawn to the viability of using S-CO(2) as a working fluid in modern reactor designs. Near the critical point, CO2 has a rapid rise in density allowing a significant reduction in the compressor work of a closed Brayton Cycle. Therefore, 45% efficiency can be achieved at much more moderate temperatures than is optimal for the helium Brayton cycles. An additional benefit of the S-CO2 system is its universal applicability as an indirect secondary Power Conversion System (PCS) coupled to most GEN-IV concept reactors, as well as fusion reactors. The United States DOE's GNEP is now focusing on the liquid Na cooled primary as an alternative to conventional Rankine steam cycles. This primary would also benefit from being coupled to an S-CO2 PCS. Despite current progress on designing the S-CO2 PCS, little work has focused on the principal supporting systems required. Many of the required auxiliary systems are similar to those used in other nuclear or fossil-fired units; others have specialized requirements when CO2 is used as the working fluid, and are therefore given attention in this thesis. Auxiliary systems analyzed within this thesis are restricted to those specific to using CO2 as the working fluid. Particular systems discussed include Coolant Make-up and Storage, Coolant Purification, and Coolant Leak Detection.
Contract number: N62271-97-G-0026.
US Navy (USN) author
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Kleczyk, Ewa Jadwiga. "Incidence and Costs of Pinhole Leak Corrosion and Corporate Cost of Capital Borrowing." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/29901.

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The first part of this doctorate dissertation examines the factors influencing the occurrence and costs of pinhole leak corrosion as well as the household decisions for corrosion prevention and plumbing material selection. Three mail surveys of households were used to elicit the experiences with leaks as well as the optimal corrosion prevention and material choices. Probability modeling (i.e. MNL) and linear regression analysis were used to analyze survey responses. Pinhole leak occurrences were found associated with pipe type installed, property age, pipe failure history, and dwelling distance from a water treatment plant. The number and location of pinhole leaks in the dwelling and the pipe type are associated with the financial costs of pinhole leaks. The corrosion prevention choices as well as the plumbing materials depended on the risk of corrosion and cost associated with each option. Previous experiences with pinhole leak impacted the decision for household choices. Faster responses to pinhole leak outbreaks by utility managers and policymakers in terms of advising homeowners on the best ways of responding to leaks would assist homeowners in reducing costs of pinhole leak repairs and associated damages. The second part of this document deals with the debt financing issues. Debt financing decisions are made simultaneously by lenders and borrowers. Since lenders are unable to observe directly the firms’ investment decisions, the banks offer contracts based up on firms’ observable characteristics (i.e. wealth and size) and the prevailing market conditions. When deciding on the financing decisions, firms also take into account the changes in macroeconomic variables in order to lower the cost of borrowing. As a result, the goal for this article is to examine empirically the hypothesis of the effect of the debt determinant as well as the macroeconomic variables on the debt maturity structure. A reduced form of the simultaneous financing decisions model is estimated by employing several OLS estimation methods. The empirical findings offer strong support for firms with few growth options, large, and of low quality having more long-term debt in their capital structure. There was, however, no clear support for the impact of macroeconomic variables on debt maturity as some variables were not statistically significant.
Ph. D.
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Mounce, Stephen Robert. "A hybrid neural network fuzzy rule-based system applied to leak detection in water pipeline distribution networks." Thesis, University of Bradford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695062.

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Mirza-Tolouee, Changiz M., and n/a. "Experimental study of zeotropic refrigerant mixture HFC-407C as a replacement for HCFC-22 in refrigeration and air-conditioning systems." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20070416.141307.

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HCFC-22 is the world�s most widely used refrigerant. It serves in both residential and commercial applications, from small window units to large water chillers, and everything in between. Its particular combination of efficiency, capacity and pressure has made it a popular choice for equipment designers. Nevertheless, it does have some ODP, so international law set forth in the Montreal Protocol and its Copenhagen and Vienna amendments have put HCFC-22 on a phase out schedule. In developed countries, production of HCFC-22 will end no later than the year 2030. Zeotropic blend HFC-407C has been established as a drop-in alternative for HCFC-22 in the industry due to their zero Ozone Depletion Potential (ODP) and similarities in thermodynamic properties and performance. However, when a system is charged with a zeotropic mixture, it raises concerns about temperature glide at two-phase state, differential oil solubility and internal composition shift. Not enough research has been done to cover all aspects of alternative refrigerants applications in the systems. This research intended to explore behavior of this alternative refrigerants compare to HCFC-22 and challenges facing the industry in design, operation service and maintenance of these equipments. The purpose of this research is to investigate behavior of R407C refrigerant in chiller systems. This includes performance and efficiency variations when it replaces R22 in an existing system as well as challenges involved maintaining the system charged with R407C. It is a common practice in the industry these days to evacuate and completely recharge when part of the new refrigerant blend was leaked from the system. This has proved to be extremely costly exercise with grave environmental ramifications. This research is intended to address challenges faced in the real world and practical terms. Theoretical and experimental approaches used as a methodology in this work. The system mathematically modeled to predict detailed system performance and effect of the leak at various conditions. To make this feasible and accurate enough, two separate approaches made, first system performance for pure R22 and R407C, and second system subjected to range of leak fractions. The earlier model was relatively straight forward when compared to the latter. Modeling a system charged with R407C ternary mixture and subjected to range of leaks posed enormous challenges. A sophisticated experimental test apparatus was also designed and built. Comprehensive and detailed tests at various conditions were conducted with special attention on instrumental accuracy and correct methodology. The first part has been successfully modeled and predicted all the factors and performance with excellent accuracy when compared to the test results. In these approaches pure refrigerants R22 and R407C were used and simulated the system behavior at range of conditions. However, the second part was the most challenging ever. Comprehensive leak process simulations produced trends of R32/R125/R134a composition change as function of rate of leak. Starting from this point, equations have been created to represent the composition change as function of percentage of the leak. The system thermodynamic cycle was also modeled to calculate capacity, power input and COP at the range of the conditions. Despite many affecting parameters and complexity of the model, the mathematical model successfully predicted the test outcome with a very reasonable accuracy, averaging around 3% with some times reaching to 5 to 6%. On the experimental stage the system charged with the new HFC-407C was deliberately subjected to refrigerant leak at various leak stages. The aim was to objectively determine to what extend the gas leak can be still acceptable without going through the expensive complete gas charge. The effect of leak was tested and verified at 10% steps, from 10% up to 50% mass fraction for the total charge. It has been observed that at the leaks beyond 30%, the adverse effect on the capacity becomes more significant, from 8 to about 15% decrease. While the power input decreased at slower pace, from 3% up to about 8% depending on the test conditions. This translated to COP decrease ranging from 4 to about 7%. This capacity loss and efficiency decrease are significant figures which suggests that the system, here chiller, can not be allowed to degrade the performance to that extend and still continue operating.
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Books on the topic "System leak"

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Hughes, David M. Continuous system acoustic monitoring: From start to repair. Denver, Colo: Water Research Foundation, 2011.

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Kirkpatrick, D. C. RCSLK9: Reactor coolant system leak rate determination for PWRs : user's guide : installation procedures. Washington, DC: Division of Emergency Preparedness and Engineering Response, Office of Inspection and Enforcement, U.S. Nuclear Regulatory Commission, 1986.

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AWWA Seminar on Leak Detection and Water Loss Reduction (1986 Minneapolis, Minn.). Proceedings: AWWA Seminar on Leak Detection and Water Loss Reduction [presented at the] Distribution System Symposium, Minneapolis, Minnesota, September 7-10, 1986. Denver, CO: American Water Works Association, 1987.

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Taylor, Stephen Boyd. Electrical leak location and sandstone resistivity monitoring using a geophysical system permanently installed below a lined landfill site in the UK. Birmingham: University of Birmingham, 1999.

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Bell, Steve. Lean Enterprise Systems. New York: John Wiley & Sons, Ltd., 2005.

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Bell, Steve. Lean Enterprise Systems. Chichester, UK: John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0471756466.

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Oppenheim, Bohdan W. Lean for systems engineering with lean enablers for systems engineering. Hoboken, N.J: Wiley, 2011.

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Oppenheim, Bohdan W. Lean for Systems Engineering with Lean Enablers for Systems Engineering. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118063996.

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1954-, Jones Karen R., ed. Implementing a lean management system. Portland, Or: Productivity Press, 1996.

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Kendall, Wilcox H., ed. Underground storage systems: Leak detection and monitoring. Chelsea, Mich: Lewis Publishers, 1987.

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Book chapters on the topic "System leak"

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Mohamed, Nagm. "Memory Leak Sabotages System Performance." In Innovations in Computing Sciences and Software Engineering, 433–36. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9112-3_73.

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Zou, Tao, Mansoor Alam, and Min Song. "A Network Forensics System for Information Leak Events." In Wireless Algorithms, Systems, and Applications, 54–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39701-1_5.

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Zhonghu, Li, Ma Bo, Wang Jinming, Yan Junhong, and Wang Luling. "Design of Pipeline Leak Data Acquisition and Processing System." In Advances in Intelligent Systems and Computing, 355–61. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00214-5_46.

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Jovanović, A., D. Sturm, and M. Hassler. "Development of an Expert System for Leak-Before-Break Analysis." In Expert Systems in Structural Safety Assessment, 250–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83991-7_14.

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Stieglitz, Lennart Henning, Wolf Olaf Lüdemann, Mario Giordano, Venelin Miroslav Gerganov, Amir Samii, and Madjid Samii. "Retrosigmoidal Craniotomy for Vestibular Schwannoma Patients: Postoperative Cerebrospinal Fluid Leak." In Tumors of the Central Nervous System, Volume 7, 313–24. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2894-3_34.

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Hammer, Karin P., and Lars S. Maier. "The Role of Local Ca2+ Release for Ca2+ Alternans and SR-Ca2+ Leak." In Microdomains in the Cardiovascular System, 321–40. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54579-0_15.

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Zhang, B. "Heat Leak Analysis on a Cryostat Suspension System with Complex Geometry." In Advances in Cryogenic Engineering, 613–18. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2522-6_74.

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Skovhus, Torben Lund, Øystein Bjaanes, Bjarte Lillebø, and Jo-Inge Lilleengen. "Failure Investigation of a Leak in the Offshore Water Injection System." In Failure Analysis of Microbiologically Influenced Corrosion, 153–72. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429355479-9.

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Zhang, Lingjuan, Yun Wang, and Jianqiang Ren. "Design of a Novel Leak Detection System for Water Network in Electronic Communication." In Advances in Mechanical and Electronic Engineering, 169–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-31528-2_28.

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Fujarewicz, Krzysztof, Sebastian Student, Tomasz Zielański, Michał Jakubczak, Justyna Pieter, Katarzyna Pojda, and Andrzej Świerniak. "Large-Scale Data Classification System Based on Galaxy Server and Protected from Information Leak." In Intelligent Information and Database Systems, 765–73. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54430-4_73.

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Conference papers on the topic "System leak"

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Rabe, Paul, Keith Browne, Janus Brink, and Christiaan J. Coetzee. "Glycol leak detection system." In SPIE Astronomical Telescopes + Instrumentation, edited by Helen J. Hall, Roberto Gilmozzi, and Heather K. Marshall. SPIE, 2016. http://dx.doi.org/10.1117/12.2231396.

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Falcone, G., and A. Agostini. "Electronic Leak Detection System (ELDS)." In 1st EEGS Meeting. European Association of Geoscientists & Engineers, 1995. http://dx.doi.org/10.3997/2214-4609.201407487.

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Borges, Liselene, and Miguel Ramírez. "Acoustic Water Leak Detection System." In VII International Telecommunications Symposium. Sociedade Brasileira de Telecomunicações, 2010. http://dx.doi.org/10.14209/sbrt.2010.21.

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PETRUZELA, IVAN. "REACTOR COOLANT LEAK DETECTION SYSTEM." In Proceedings of the 6th International FLINS Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702661_0102.

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Brodetsky, I., and M. Savic. "Leak monitoring system for gas pipelines." In Proceedings of ICASSP '93. IEEE, 1993. http://dx.doi.org/10.1109/icassp.1993.319424.

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Witham, Oliver, Levi Nathan Johnston, Ming Xiao, Jiayun Feng, Norman Zhou, and George Shaker. "Batteryless Wireless Water Leak Detection System." In 2019 International Conference on Smart Applications, Communications and Networking (SmartNets). IEEE, 2019. http://dx.doi.org/10.1109/smartnets48225.2019.9069789.

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Spachos, Petros, Liang Song, and Dimitrios Hatzinakos. "Gas leak detection and localization system." In 2014 IEEE 11th Consumer Communications and Networking Conference (CCNC). IEEE, 2014. http://dx.doi.org/10.1109/ccnc.2014.6994392.

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Twomey, Michael. "Evaluating the Reliability and Sensitivity of a Leak Detection System on a Liquid Pipeline." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10546.

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Detecting leaks in a liquid pipeline is not the most difficult task for a leak detection system (LDS); detecting leaks without giving false leak alarms is the main challenge. An operator will have trouble identifying a real leak if he has to sift through many false alarms. Therefore pipeline leak trials should test the reliability (number of false alarms) of a leak detection system as well as its ability to detect real leaks. This paper reviews how a number of pipeline operators tested their leak detection systems with simulated leaks, verifying the reliability as well as the sensitivity of their new leak detection systems. These simulated leaks were introduced by removing product from the pipeline by bleeding. The paper also outlines a simple table based on the API 1155 guidelines to evaluate software based leak detection systems that can be used as part of the bid evaluation process to hold the leak detection vendor accountable to deliver the performance promised in his bid proposal. This paper high-lights some of the performance limitations to watch for when selecting and testing an LDS, For example; will a pipeline leak detection system detect the quoted minimum leak if the normal operations include transients? Does the system block leak alarms to reduce frequent false alarms? Are the leak detection times based on the time it takes to declare a “Leak Warning” or on the time it takes to declare a “Leak Alarm”? Finally, the paper discusses how to perform more realistic leak tests.
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Danchenko, Valeriy G. "Preflight Leak-Test for Fuel System of Propulsion System." In 54th International Astronautical Congress of the International Astronautical Federation, the International Academy of Astronautics, and the International Institute of Space Law. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.iac-03-s.p.27.

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Dvajasvie, G., Banu PK Farisha, Sachin N. Babu, K. P. Saheen, and Nikhil C. Binoy. "Leak Detection in Water-Distribution Pipe System." In 2018 Second International Conference on Intelligent Computing and Control Systems (ICICCS). IEEE, 2018. http://dx.doi.org/10.1109/iccons.2018.8663193.

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Reports on the topic "System leak"

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McClain, S. K. Standard Leak Calibration Facility software system. Office of Scientific and Technical Information (OSTI), June 1989. http://dx.doi.org/10.2172/6060126.

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Wainner, Richard T., Mickey B. Frish, B. David Green, Matthew C. Laderer, Mark G. Allen, and Joseph R. Morency. High Altitude Aerial Natural Gas Leak Detection System. Office of Scientific and Technical Information (OSTI), December 2006. http://dx.doi.org/10.2172/921001.

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Rawls, George, Lisa Ward, Elizabeth Kelly, and Douglas Veirs. 3013 INNER CAN LID LEAK TEST SYSTEM DEVELOPMENT. Office of Scientific and Technical Information (OSTI), July 2019. http://dx.doi.org/10.2172/1545504.

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Dawn Lenz, Raymond T. Lines, Darryl Murdock, Jeffrey Owen, Steven Stearns, and Michael Stoogenke. Flight Testing of an Advanced Airborne Natural Gas Leak Detection System. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/861942.

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Finn, P. A. Guidelines to achieve seals with minimal leak rates for HWR-NPR coolant system components. Office of Scientific and Technical Information (OSTI), March 1991. http://dx.doi.org/10.2172/5559929.

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Bill Spiegel. Technical progress reports [Liquid leak detection system. September 1, 1998, through June 30, 1999]. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/763036.

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Kass, Michael D., Timothy J. Theiss, Christopher James Janke, and Steven J. Pawel. Analysis of Underground Storage Tanks System Materials to Increased Leak Potential Associated with E15 Fuel. Office of Scientific and Technical Information (OSTI), July 2012. http://dx.doi.org/10.2172/1047027.

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McInerney, Michael K., and John M. Carlyle. : Demonstration of Acoustic Sensing Techniques for Fuel-Distribution System Condition Monitoring : Final Report on Project F07-AR07. Engineer Research and Developmenter Center (U.S.), January 2021. http://dx.doi.org/10.21079/11681/39560.

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Leaks in fuel storage tanks and distribution piping systems have been identified as a mission-critical problem by the Department of Defense and the U.S. Army. Fuel system leaks are often hard to locate and virtually inaccessible for efficient repair because the piping is often installed under a concrete pad or tarmac. Leak repair could cost up to $2,000, and the cost of cleanup and re-mediation for fuel spills can exceed $50,000. In this project an acoustic remote sensing system was installed to monitor an Army heliport refueling system to determine whether it could detect and accurately locate fuel leaks using computer software technolo-gies to distinguish acoustic leakage signatures from normal fuel system operational noise. Demonstration and validation efforts were disadvantaged by the fact that no fuel leaks occurred in the monitored system for the duration of the project. However, the monitoring system did identify several unusual acoustic events within the fueling system and interpret them as indications of intermittent malfunctions of a check valve and a fuel pump. The 30-year ROI is about 6.42. Further work is required before the technology can be fully implemented: its ability to detect fluid leaks must be proven, and the system specifications must be certified through an EPA third party.
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Greene, D. A., J. W. Malovrh, D. C. Gaubatz, and C. A. Calkins. GAAD system demonstration of rapid acoustic detection of simulated intermediate water leak in prototype steam generator. Office of Scientific and Technical Information (OSTI), March 1985. http://dx.doi.org/10.2172/711955.

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Fothergill, David. Purge Procedures and Leak Testing for the Morgan Breathing System (MBS) 2000 Closed-Circuit Oxygen Rebreather. Fort Belvoir, VA: Defense Technical Information Center, November 2005. http://dx.doi.org/10.21236/ada441197.

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