... in the decommissioning plant and to determine new importance grade. The second issue is to make the maintenance based on the appropriate risk information. This risk information should be based on the progress of decommissioning, reflected and evaluated in the PRA model, as well as information obtained from maintenance...

... reactors Nuclear engineering Nuclear safety Plant operations Research reactors Plant engineering Plant modifications Plant life cycle Security Maintenance In high-temperature reactors (HTR), the uranium dioxide particles are surrounded with three layers: a pyrolytic carbon layer at first...

... structures Maintenance Engineering Modifications Life Cycle Extensive testing had proven that reactor coolant environment had significant effects on the fatigue life of materials. Two methods to account for the influence of reactor coolant environment are: (i) a new material fatigue curve...

... products or services. The distribution of ASCs is supported and formalized by the organization normative frameworks (ONFs) and application normative frameworks (ANFs) deployed in the respective organizational units. The maintenance and continuous improvement of ASCs is facilitated by the ONF process...

... 18 05 2018 Next generation reactors Nuclear engineering Plant operations Research reactors Plant engineering Plant modifications Plant life cycle Maintenance A simplified configuration and an efficient cycle for nuclear power plants (NPPs) are necessary for generation IV (Gen...

... engineering Plant modifications Plant life cycle Security Maintenance Nowadays, most of the modern nuclear power plant main control rooms are assembled with computer-based procedures (CBPs) to increase the usability and functionalities of emergency operating procedures (EOPs) by providing...

... effect for both type-I and type-II instabilities. Advanced reactors Nuclear engineering Plant operations Thermal hydraulics Plant engineering Plant modifications Plant life cycle Maintenance A pressure tube type reactor like advanced heavy water reactor (AHWR) [ 1 ] consists of multiple...

... serious consequences of core meltdown. Unit-4 was in maintenance and it exploded, because of hydrogen gas leakage from the damaged unit-3. So we need to find preparation plans that could have completed within 2 years and prove feasible to prevent the core meltdown, in other words, to bring all...

... August 24, 2017; published online March 5, 2018. Assoc. Editor: Guoqiang Wang. 16 10 2016 24 08 2017 Alternative energy sources Plant operations Research reactors Small Modular Reactors Plant engineering Plant modifications Plant life cycle Nuclear Maintenance...

... Security Maintenance 09 06 2017 01 09 2017 Manuscript received June 9, 2017; final manuscript received September 1, 2017; published online March 5, 2018. Assoc. Editor: Jovica R. Riznic. The United States Government retains, and by accepting the article for publication, the publisher...

... Next generation reactors Nuclear engineering Plant operations Small Modular Reactors Systems reliability Plant engineering Plant modifications Plant life cycle Maintenance Systems performance Generation IV reactors are key to advancements in the designs of NPPs, with one of the main...

...Francesco Bertoncini; Mauro Cappelli; Francesco Cordella; Marco Raugi Nondestructive testing (NDT) techniques are widely used as a reliable way for preventing failures and helping in the maintenance design and operation of critical infrastructures and complex industrial plants as nuclear power...

... 05 2017 Instrumentation Control Next generation reactors Nuclear engineering Plant operations Small Modular Reactors Plant engineering Plant modifications Plant life cycle Maintenance Electrical systems One of the main focuses of generation (Gen) IV NPPs design is the load...

... Security Maintenance The Three Mile Island (TMI) and Fukushima Dai-ichi accidents proved the importance of drills to severe accident and emergency response in nuclear power plants (NPPs). Nuclear regulatory bodies in different countries have increased the scrutiny and completeness of severe...

... within the required safety margins [ 1 ]. Fuel cycle Nuclear engineering Plant operations Reactor physics Plant engineering Plant modifications Plant life cycle Transport theory Radioactive waste management Decommissioning Maintenance 30 10 2016 26 12 2016...

... Maintenance Engineering Modifications Life Cycle The worldwide total primary energy supply (TPES) has been steadily growing for the past 40 years and is expected to continually increase due to population growth and industrialization of emerging countries. In 2012, fossil fuels accounted for 81.7...

... CNS International Conference on CANDU Maintenance , Toronto, ON, Canada, Dec. 4–6. https://www.cns-snc.ca/conf_papers/paper_356 [12] Gilbert , J. , 2016 , “ Simulation of the In-Core Dose Rates for an Offline CANDU Reactor ,” Master's thesis , University of Ontario Institute of Technology...

... received December 14, 2016; published online May 25, 2017. Assoc. Editor: Leon Cizelj. 30 09 2016 14 12 2016 Coupled codes Current reactors Nuclear engineering Plant operations Reactor physics Plant engineering Plant modifications Plant life cycle Transport theory Maintenance...

... Grosbois. 23 06 2016 30 11 2016 Current reactors Nuclear engineering Plant operations Plant engineering Plant modifications Plant life cycle Maintenance Many piping systems, such as within an oil and gas system, a chemical plant, a fossil-fuel power plant, a nuclear power...

... Maintenance Systems performance Generation IV reactor performance is key to the design of nuclear power plants (NPPs), with one of the key aspects being the improvement of cycle thermal efficiency in comparison to the incumbent designs [ 1 ]. Deriving better efficiencies is critical to the economics...