integrated safety Articles
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Fault-tolerant power supply for safety significant nuclear instrumentation and control
Nuclear Instrumentation and Control (I&C) must address the issue of power supply differently from other commercial control systems. What is doable for commercial plants, such as a thermal power station, should not be applied for Nuclear Power Plant I&C. The hazards arising from power supply failure in nuclear power stations cannot be compared with other commercial systems. Therefore, the use of ...
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Understanding the Use of Eddy Current for Weld Inspection
Welds are a critical element in too many large scale infrastructure, manufacturing, and transportation projects to be easily listed. Marine shipping hulls, the steel supports for buildings, oil storage tanks, and the steam turbines that generate power in both fossil and nuclear power plants are just a few of the areas where welds can be found and should illustrate how vital quality welds are for ...
By Zetec, Inc
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Safety and reliability aspects of seawater reverse osmosis desalination plant of nuclear desalination demonstration project
Desalination systems are mostly based on membrane (RO) and thermal (MSF and MED) processes. High-pressure operation and high level of corrosion are the major aspects of concern in a Seawater Reverse Osmosis (SWRO) Plant. Selection of the appropriate material for construction and the following of the proper design, fabrication and testing codes, and safe operational procedures ensure the safety of ...
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Dynamics of reverse osmosis in a standalone cogenerative nuclear reactor (Part I: reactivity changes)
The present study considers the dynamic behaviour of the pressurised water reactor safety features, represented by the integrity of the fuel cladding, under some transient cases. A cosine-shaped heating through the fuel is taken with the corresponding coolant lumps, to simulate realistic cases encountered in nuclear reactors. A mathematical model was developed for the Westinghouse 3411 MWth ...
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Dynamics of reverse osmosis in a standalone cogenerative nuclear reactor (Part II: load changes)
The coupling of desalination units with nuclear power plants has been studied in the present work in this respect, the dynamic behaviour of the pressurised water reactor safety features, represented by the integrity of the fuel cladding, under some transient cases caused by secondary circuit load changes. A cosine-shaped heating through the reactor fuel is taken with its corresponding coolant ...
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Increased demand for XRF analyser hire
Steve Drake, NDT Market Manager at Ashtead Technology believes that XRF is one of the most important technologies in the company’s fleet of NDT and environmental testing instruments. “With a small amount of training, almost anyone can implement detailed inspections in a wide variety of applications, and with most instruments being lightweight and robust, XRF analysers are among the ...
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Managing Low-level Radioisotopes as Part of a Company´s Total Lifecycle of Chemicals and Radioactive Materials
Chiron Corporation is one of the world’s leading biopharmaceutical companies with businesses in biopharmaceuticals, vaccines and blood testing. In addition to manufacturing facilities, Chiron has an extensive research and development organization, which works with chemicals and radioactive materials. Under Federal, State and Local regulations, as well as corporate operating procedures, ...
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