Steam Generator
Ligament Rupture and Burst Pressure of Mechanical Defects of Steam Generator Tubings
... international steam generator tube integrity program (ISG TIP) supported by the US NRC (Nuclear Regulatory Commission), tasks such as in-service inspection technology development, and studies on ...
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Analysis of the influence factors on steam generator tube degradation trend
... Figure 3 and figure 4 show that there are many very small signals whose amplitude is less than 0.1 volts. Generally, if the size of the defect is small, it is difficult to detect the defects. Therefore, when there are ...
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Fatigue life prediction for steam generator tube embed with a crack
... Paris Law is usually employed to analyze the fatigue propagation of a crack, if we do so, problems can be very cumbersome. In this paper, NASGRO is used to analyze the fatigue propagation and rupture of a crack in ...
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Failure analysis and assessment of steam generator tube with multiple cracks
... Alignment and combination rules in various Codes and Standards are used to determine whether multiple cracks are treated as non-aligned cracks or collinear cracks, and as independent single crack or combined crack. ...
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ECT Evaluation on Fretting Wear of Steam Generator in NPPs (O099)
... It has been experienced that the fretting wear rate of CE-typed steam generator(SG) is usually higher than that of other models in domestic NPPs. The anti-vibration structure(AVS) of this model consisted of ...
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Prediction of Failure due to Crack Coalescence in Steam Generator Tubes
... The study presented here investigates the cases of two cracks that are axially and circumferentially offset. These cases are labeled Type 2 and Type 4 cracks, respectively (Abou-Hanna et. al., 2004-2). The study ...
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Ageing Management Database Development for PWR NPP Steam Generator
... Steam generator (SG) is one of the key safe important equipments of NPP, which is covered by NPP aging management ...program. Steam Generator Aging Management Dabatase (SGAMDB) is developed to ...
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Stresses Around the Tip of an Axial Crack in a Steam Generator Tube
... A short overview of elasto-plastic fracture mechanics theories and assumptions, applied to determination of the critical length of a through-wall axial crack in a steam generator tube is given in the paper. ...
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Response of the Steam Generator VVER 1000 to a Steam Line Break (J307)
... a steam line break in the weld of the steam pipe and the steam collector on the steam generator system are ...a steam line break may concern two cases. The steam line ...
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Prediction of External Exposure during Dismantling of Steam Generator
... of steam generator is consi- dered to be released into the environment, this part is fragmented first (in order to remove the material and to enable enough space for later fragmentation of heat exchange ...
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Feasibility Study of Solar Energy Steam Generator for Rural Electrification
... energy steam generator for rural areas ...for steam generation using a stand-alone solar con- centrator with a small dimension for domestic and small-scale electricity ...sufficient steam ...
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Study on fracture analysis model for the steam generator tubes
... In nuclear power plant, steam generator tubes are the weakest link between the primary loop with radioactivity and the secondary loop without radioactivity. In order to evaluate and ensure the integrity of ...
5
Dryout occurrence in a helically coiled steam generator for nuclear power application
... Dryout occurrence has been experimentally evaluated in an helically coiled steam generator tube. The electrically heated test section represent a full scaled mean tube of the steam generator ...
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Corrosion of Steam Generator Pipelines Analysed Using Mössbauer Spectroscopy (O360)
... Mössbauer measurements on the corrosion specimens scrapped from different position of the feed water distributing system (see Fig.2) shown that the outside layer consists exclusive from magnetite but the inside layer ...
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Coalescence Model of Two Collinear Cracks Existing in Steam Generator Tubes
... Fig. 9 shows the normalized coalescence loads estimated using the RFM, PZC-II and PZC-IV model. The estimated results showed a good applicability of the three models except in the case of 2c=5 mm and d=1 mm. The RFM and ...
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Analysis of the Rarefaction Wave in a Steam Generator During Loss of Coolant Accident
... affected steam generator primary side — re mained undisturbed and were neglected without any effect on the calculated ...the steam generator primary side is shown in ...
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Role of NDE in Integrity Assessment of Steam Generator Tubes (O519)
... of steam generator tubes in a PWR plant involves a determination of their potential degradation during operation, leading to a series of decisions as to run, repair, or remove any given tube from ...of ...
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The Research of Heat Transfer Area for 55/19 Steam Generator
... The area deviation between the Jens model and the design value was 10%, which meets the requirement of the tube plugging margin (10%) in normal design of steam generator. The calculation errors are 1.33% ...
6
Study On Heat Exchanger For Steam Generator From Waste Heat
... I would like to express my deepest appreciation to all those who helped me to complete my final year project and report writing. First of all, I would like to express my special gratitude to my supervisor, DR.Safarudin ...
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STRESS CORROSION CRACKING IN STEAM GENERATOR SG 1000
... PGV-1000 steam generator housing welded joint was offered, including a decrease of the level of stresses and elimination of the corresponding corrosion ...
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