steam generator tube
Steam Generator Tube Plugging FEM Analysis
... mechanical steam generator tube plugging system was introduced to Loviisa nuclear power plant in ...the steam generator tubes and the ...the tube inner diameter deviation effect ...
8
Analysis of the influence factors on steam generator tube degradation trend
... to steam generator tubes. Statistical analysis of steam generator tube degradation is one of issues in Korean steam generator ...of steam generator ...
7
Prediction of PWSCC Growth in Alloy600 Steam Generator Tube using SCC Initiation Model and FE Damage Analysis
... This paper proposes the multiple PWSCC assessment methodology based on the PWSCC initiation model and finite element (FE) damage analysis. Incremental SCC damage was defined by the ratio of operating time increment to ...
8
Safety Review on Recent Steam Generator Tube Failure in Korea and Lessons Learned (G601)
... a steam generator tube failure at Ulchin Unit 4 nuclear power plant (UCN4) in Korea on April 5, 2002 when the reactor was shutdown at 00:10 hours and was in the course of cooldown in the borated ...
6
Reactor Loose Part Damage Assessments on Steam Generator Tube Sheets
... the steam generator tube sheets and can cause significant damage leading to the unscheduled shut down of a ...representative steam generator are analyzed and ...
225
Failure analysis and assessment of steam generator tube with multiple cracks
... From the comparison of the evaluation results and experimental data, it can be concluded that all the Codes are conservative for all cases of the axial collinear and non-aligned multiple surface cracked tube. ...
7
Damping Measurement for a steam generator tube with several gap supports in air and water
... In this tset, a fixed-simply supported single tube of 2.2 m length with one tube support are used. The inner diameter and the outer diameter of the tube are 17.0cm and 19.1 cm, respectively. Figure 1 ...
10
Fatigue life prediction for steam generator tube embed with a crack
... load can still make the crack propagate. Pressure oscillation happens to steam generator (SG) tubes time to time, so fatigue crack analysis must be done. If Paris Law is employed to analyze the fatigue ...
5
Stress Intensity Factor For Defects In The Steam Generator Tube Sheets
... different tube intervals (square or triangular pitch), defect positions (surface defects or embedded defects) and locations (in the core or at the limit of the perforated area), and which provide influence ...
12
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 ...
12
Ageing Management of Steam Generator Internals
... Within this framework, the existing quality of the steam generator tubes was re-assessed (design aspects, actual structure, operation experience and actual knowledge). Operation experience showed some ...
9
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 ...
8
Efficiency assesment of a lignite fired steam generator
... temperature. Coefficient of excess air was considered 1.25 which is the rated value for this type of steam generator fired with lignite. The values of unburnt coal in bottom ash was considered 2.87% while ...
9
On the retrofitting and repowering of coal power plants with post-combustion carbon capture: An advanced integration option with a gas turbine windbox
... recovery steam generator (HRSG) after the gas turbine, using thermal energy in the flue gas to generate steam for power generation and heat for the capture ...
13
Otahuhu B Power Station condenser in leakage analysis and condensate monitoring system : a thesis presented in partial fulfilment of the requirements for the degree of Master of Engineering in Electronics Engineering at Massey University, Wellington, New Zealand
... The simplicity is an outstanding advantage of this chemistry program but it does not provide adequate protection against corrosion due to the ingress of acidic salts from the cooling water. Because aqueous ammonia is ...
283
Simulation of roll expansion on Steam Generator tubes
... the tube has been compressed between tool and tube-sheet, and a upper zone where the inner skin of the tube has been stretched under the MAE rolling ...
8
Thermal & Hydraulic Simulation of Natural Circulation Single Drum Boiler
... In many packaged boilers, the drum is integral as shown in Figure 2. Here, external downcomers are not used, but part of the bank tubes, serve as downcomers. These are typically located at the cooler end of the bank ...
9
A Prediction Method of Wear Volume Considering Effects of the Clearance between Tube and Support in Steam Generator
... the tube-support plate clearance increases as the tube wall wears out, and since non-linear tube dynamics is a function of the gap, the normal work rate changes with time as the tube wall ...
9
Analysis of the Break Size Influence on the Damage Accident of Single Heat Transfer Tube of Ship Nuclear Power Steam Generator
... transfer tube primary side leaks to the secondary side resulting in the loss of water and the increased heat ...the steam bridge valve, the left side of the steam compartment valve and the left side ...
12
Remote visual inspection system for the tube sheet in-bundle of ce80 steam generator
... side tube sheet and tube in-bundles of CE80 type steam generators "that are applicable to APR1400 and OPR1000 that are in operation within Korea, UAE and ...
10