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https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/steam-gen.html
Jul 02, 2018 · Generic Communications Related to Steam Generator Tube Integrity. The NRC continues to monitor industry experience with steam generator tubes. The agency issues "generic communications" to share that information with U.S. plants. These documents appear on the NRC website. Some steam generator generic communications include:
https://www.sciencedirect.com/science/article/pii/S002954931300280X
Corrosion product deposits in the secondary side of nuclear power plant Steam Generators may result in Tube Support Plate flow blockage, and tube fouling. In order to simulate those two phenomena in the whole Steam Generator, a solid deposit growth model has been developed by the EDF R&D Division.Cited by: 8
http://www.freepatentsonline.com/4709756.html
Dec 01, 1987 · I claim as my invention: 1. A tube support plate for supporting a plurality of tubes with reduced vibration in a nuclear steam generator, said support plate being of a solid construction and having a plurality of holes disposed therethrough in a regular array, each of said holes having an axis, an interior surface and a plurality of lands supported on said interior surface, said support plate ...
https://www.nrc.gov/reading-rm/doc-collections/gen-comm/gen-letters/1997/gl97006.html
Certain visual and video camera inspections on the secondary side of a steam generator may also provide useful information concerning the degradation of steam generator internals. The NRC staff will continue to monitor information on tube support plate and tube bundle wrapper damage as it …
http://epr-reactor.co.uk/ssmod/liblocal/docs/V3/Volume%202%20-%20Design%20and%20Safety/2.E%20-%20The%20Reactor%20Coolant%20System%20and%20Related%20Systems/2.E.4/2.E.4.2%20-%20Steam%20Generators%20-%20v3.pdf
These tube support plates are centred by means of double slope wedges fixed on anti-seismic blocks regularly spaced around their periphery centring the tube-bundle wrapper in the steam generator shell. The tube support plates are vertically interconnected and spaced by a network of tie-rods bolted into the secondary side face of the tube sheet.
http://www.westinghousenuclear.com/Portals/0/operating%20plant%20services/outage%20services/steam%20generator%20services/NS-ES-0299%20SG%20Volume%20Tube%20Wear%20Volume%20-%20Predictive%20Model.pdf?ver=2018-05-17-174051-957
To the left is a typical steam generator tube intersection with a tube support plate. The tube extends through a broached hole that provides support against vibration. To the right is a typical eddy current signal terrain type plot of the tapered tube wear that occurs due to interaction between the tube and the tube support plate.
https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/steam-gen.html
Jul 02, 2018 · Generic Communications Related to Steam Generator Tube Integrity. The NRC continues to monitor industry experience with steam generator tubes. The agency issues "generic communications" to share that information with U.S. plants. These documents appear on the NRC website. Some steam generator generic communications include:
https://www.westinghousenuclear.com/Portals/0/operating%20plant%20services/outage%20services/steam%20generator%20services/NS-ES-0299%20SG%20Volume%20Tube%20Wear%20Volume%20-%20Predictive%20Model.pdf
To the left is a typical steam generator tube intersection with a tube support plate. The tube extends through a broached hole that provides support against vibration. To the right is a typical eddy current signal terrain type plot of the tapered tube wear that occurs due to interaction between the tube and the tube support plate.
https://www.sciencedirect.com/science/article/pii/S002954931300280X
The results obtained in this work underline two dominant trends for the Tube Support Plate flow blockage in Steam Generators: the blockage rate is more important on the hot leg than on the cold leg and at the top than at the bottom of Steam Generators.Cited by: 8
https://www.nrc.gov/reading-rm/doc-collections/gen-comm/gen-letters/1997/gl97006.html
Certain visual and video camera inspections on the secondary side of a steam generator may also provide useful information concerning the degradation of steam generator internals. The NRC staff will continue to monitor information on tube support plate and tube bundle wrapper damage as it …
http://www.freepatentsonline.com/4709756.html
Dec 01, 1987 · A tube support plate for supporting a plurality of tubes with reduced vibration in a nuclear steam generator, said support plate being of a solid construction and having a plurality of holes disposed therethrough in a regular array, each of said holes having an axis, an interior surface and a plurality of lands supported on said interior ...
http://epr-reactor.co.uk/ssmod/liblocal/docs/V3/Volume%202%20-%20Design%20and%20Safety/2.E%20-%20The%20Reactor%20Coolant%20System%20and%20Related%20Systems/2.E.4/2.E.4.2%20-%20Steam%20Generators%20-%20v3.pdf
These tube support plates are centred by means of double slope wedges fixed on anti-seismic blocks regularly spaced around their periphery centring the tube-bundle wrapper in the steam generator shell. The tube support plates are vertically interconnected and spaced by a network of tie-rods bolted into the secondary side face of the tube sheet.
https://www.sciencedirect.com/science/article/pii/S0306454919305225
In steam generator, the supporting plate generally exists in the triangular tube bundle area with the structure of trifoliate plum orifice plate to support the tube bundle. In this paper, in order to obtain the influence of the supporting plate on the local flow field, it is necessary to select the area near the supporting plate as the research ...Author: Xi Wang, Mingjun Wang, Ge Wu, Jing Zhang, Suizheng Qiu, G.H. Su, Wenxi Tian
http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1179&context=qnde
(Support Plate) Figure 1. Steam Generator Tube/Support Plate Structure (a) A Cross Section Schematic (b) The Multi layer Model of the inconel tube, the water gap, and the steel support plate. Ultrascnic testing of the tube/support plate structure results in two dominant sets of
http://www.ne.anl.gov/capabilities/cmm/highlights/sgt_integrity_program.html
Steam Generator Tube Integrity Program. Steam generator tubes, which account for more than 50% of the primary pressure boundary surface of PWRs, have experienced in-service corrosive and mechanical degradation of various forms since the beginning of PWR commercial operation in the late 1950s.Various forms of degradation have resulted in the plugging of well over 100,000 tubes to date around ...
https://www.framatome.com/us_platform/liblocal/docs/Catalog/PWR/ANP_U_609_V2_17_ENG_MAESTRO_SG_Program_Management.pdf
tube degradation, financial performance and 3D deposit mapping • Developed and managed with AREVA SG staff expertise in steam generator inspection and repair, chemical cleaning, SG tube integrity assessment, chemistry, 3D deposit mapping, thermal performance, outage planning and component asset life-cycle management Steam Generator
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