Results 211 to 220 of about 52,055 (257)
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, 2020
A potential of a sodium-water reaction in a steam generator (SG) has been known to result in a drastic increase of the capital cost of a sodium-cooled fast reactor (SFR).
Namhyeong Kim +4 more
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A potential of a sodium-water reaction in a steam generator (SG) has been known to result in a drastic increase of the capital cost of a sodium-cooled fast reactor (SFR).
Namhyeong Kim +4 more
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Selection of Tube Samples for Inservice Inspection of Steam Generator Tubes
Volume 7: Operations, Applications, and Components, 2005In Pressurized Water Reactors, a program of periodic inservice inspection of steam generator tubes is set up to monitor the integrity of the tubes. The inservice inspection is performed using nondestructive examination techniques, e.g., eddy current testing.
Guy Roussel, Leon Cizelj
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Turbulent Buffeting of Helical Coil Steam Generator Tubes
Volume 4: Fluid-Structure Interaction, 2014Turbulent buffeting is the most common flow-induced-vibrating mechanism in the nuclear power industry since turbulent flow is present in virtually all power plant components and will always apply a random pressure to the surface of the structures wherever there is a flow over, along, inside or cross a structure. For each specific component subjected to
Heqin Xu, Matthew Mallet, Tamas Liszkai
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Caustic Cracking of Steam Generator Tube Materials
CORROSION 1976, 1976Failures of Inconel-600 steam generator tubes by caustic induced stress corrosion cracking have occurred in pressurized water reactors around the world.1,2 These failures have occurred in plants which used coordinated phosphate control of the secondary chemistry,3 in those which used an all volatile treatment,4 and in those which were in transition ...
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WWER Steam Generators Tubing Performance and Aging Management
Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management, 2006At WWER NPPs the horizontal steam generators (SGs), are used that differ in design concept from vertical SGs mostly used at western NPPs. Reliable operation of SG heat-exchanging tubes is the crucial worldwide problem for NPP of various types. According to the operation feedback the water chemistry is the governing factor affecting operability of SG ...
Nikolay B. Trunov +5 more
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Mihama Unit 2 Steam Generator Tube Rupture Analysis
Nuclear Technology, 1999A steam generator tube rupture (SGTR) incident occurred in Mihama Unit 2 on February 9, 1991. This is the first SGTR incident where the emergency core cooling system was actuated in Japan. With some measures being taken to improve the model, the precise simulation of the SGTR using RETRAN-02/MOD4 was conducted. A nonequilibrium model was applied to the
Tomohiko Tamaki +2 more
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Intergranular Fracture of Steam Generator Tubes
2019Abstract A power plant using two steam generators (vertical U-tube and shell heat exchangers, approximately 21 m (68 ft) high with a steam drum diameter of 6 m (20 ft)) experienced a steam generator tube rupture. Each steam generator contained 11,012 Inconel alloy 600 (nickel-base alloy) tubes measuring 19 mm OD, nominal wall thickness ...
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Cracking in a Steam Generator U-Tube
2019Abstract A rupture of a thirty-year-old U-tube on a steam generator for a closed-cycle pressurized-water nuclear power plant occurred, resulting in limited release of reactor water. A typical tube bundle can be over 9 m (30 ft) tall and 3 m (10 ft) in diam with over 3,000 22-mm (7/8-in.) diam Inconel Alloy 600 tubes. Tube support plates (
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A Coupled Model of Corrosion of the Steam Generator Heat Transfer Tube
Social Science Research Network, 2022Weibing Wang, Bo Wang
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