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once-through steam generator

Failure analysis and assessment of steam generator tube with multiple cracks

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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Steam Generator Tube Plugging FEM Analysis

Steam Generator Tube Plugging FEM Analysis

... An interest was raised concerning the loads imposed by the new plugging system to the steam generator tubes and the collector. The effect of operational conditions to the plug contact behaviour and the tube ...

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The Research of Heat Transfer Area for 55/19 Steam Generator

The Research of Heat Transfer Area for 55/19 Steam Generator

... A calculation method of heat transfer area for vertical natural circulated steam generator was in- troduced. According to the design requirements of steam generator 55/19 of CPR1000, its heat ...

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Effect of Ambient Air Temperature on the Performance of Steam Generator

Effect of Ambient Air Temperature on the Performance of Steam Generator

... the steam generator is the major contributor of the exergy destruction, the focus on this paper will be on steam ...overall steam generator will be discussed and ...overall steam ...

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Efficiency assesment of a lignite fired steam generator

Efficiency assesment of a lignite fired steam generator

... of steam generators produced 30 years ago, are still in USA, as a result of the long life-cycle and ...of steam generators are developed with higher efficiency and low-emissions to meet these ...for ...

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STRESS CORROSION CRACKING IN STEAM GENERATOR SG 1000

STRESS CORROSION CRACKING IN STEAM GENERATOR SG 1000

... The zone where cracks can appear in the welded joint of collector-to-PGV-1000 steam generator housing (fillet R20) is shown on the fig. 1. The specific features of the design of this assembly makes it ...

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Probabilistic   Safety Assessment of the Steam Generator Cover (M449)

Probabilistic Safety Assessment of the Steam Generator Cover (M449)

... The structural integrity of a steam generator cover is investigated in probabilistic terms. The goal is to make the inspection strategies for nuclear power plants (NPPs) more realistic and efficient. ...

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Response   of the Steam Generator VVER 1000 to a Steam Line Break (J307)

Response of the Steam Generator VVER 1000 to a Steam Line Break (J307)

... whole steam generator system analysis including the GERB dampers that a steam line break at the postulated weld crack with the steam generator collector with a great security safeguards ...

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Prediction of External Exposure during Dismantling of Steam Generator

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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Optimum Local Failure   Model of Steam Generator Tubes with Multiple Axial Through-Wall Cracks   (G138)

Optimum Local Failure Model of Steam Generator Tubes with Multiple Axial Through-Wall Cracks (G138)

... that steam generator tubes wall-thinned in excess of 40% should be ...to steam generator tubes with two collinear axial through-wall cracks was proposed and a coalescence evaluation ...

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Study On Heat Exchanger For Steam Generator From Waste Heat

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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Modeling and Simulation of Steam Generator by using CFD Analysis

Modeling and Simulation of Steam Generator by using CFD Analysis

... recovery steam generator during start-up ...of steam generator under natural ...tube once through steam generator using porous media ...recovery steam ...

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ECT   Evaluation on Fretting Wear of Steam Generator in NPPs (O099)

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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Ageing Management of Steam Generator Internals

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 ...

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Feasibility Study of Solar Energy Steam Generator for Rural Electrification

Feasibility Study of Solar Energy Steam Generator for Rural Electrification

... of steam generated for different tube diameters when the tube length is fixed to 1 ...diameter, steam energy grows faster than the case of increasing the tube length (compare with Figure ...the steam ...

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Service life prediction of steam generator weld joints

Service life prediction of steam generator weld joints

... Stress corrosion cracking (SCC) is a cracking mechanism induced by the combination of tensile stress and corrosive environments. Due to a complex field of weld residual stress, the crack propagation of an existing defect ...

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Study on fracture analysis model for the steam generator tubes

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

Simulation of roll expansion on Steam Generator tubes

Simulation of roll expansion on Steam Generator tubes

... R&D, through a 3D model integrating contact and an elastic-plastic behaviour identified from experimental ...evaluated through a comparison with previous experimental and numerical ...

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Design of Air Pre Heater to Improve the Efficiency of Boiler in TCC Plant

Design of Air Pre Heater to Improve the Efficiency of Boiler in TCC Plant

... or Steam Generator is a device used to generate steam by applying heat energy to ...where steam is required. For the production of large scale steam industries mainly uses two types of ...

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On the retrofitting and repowering of coal power plants with post-combustion carbon capture: An advanced integration option with a gas turbine windbox

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 ...

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