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Steam generators

Corrosion  Degradation of Steam Generators in Korea (O283)

Corrosion Degradation of Steam Generators in Korea (O283)

... in steam generators; in one case, a plant replaced its steam generators (SGs) due to the severe corrosion problems in 1998 after 20 years of ...

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Chemistry   Effect of Heat-Exchange Pipes on Functional Reliability of Steam Generators   in PWR and VVER NPPs (F369)

Chemistry Effect of Heat-Exchange Pipes on Functional Reliability of Steam Generators in PWR and VVER NPPs (F369)

... Functional reliability of steam generators depends heavily on the selection of material for steam generator heat-exchange pipes (SG HEP). Close analysis of references follows that most of damaged SG ...

5

Ageing Management of the Steam Generators of the  Nuclear Power Plant GKN (D530)

Ageing Management of the Steam Generators of the Nuclear Power Plant GKN (D530)

... The steam generator (heat exchanger) tubes belong to group 2 (preventive maintenance), i.e. the quality in operation is maintained by use of repeated inspection and testing (non-destructive testing). There were ...

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Statistical Assessment Method for the Optimisation of the Inspection Need for Nuclear Steam Generators Based on Existing Inspection Data

Statistical Assessment Method for the Optimisation of the Inspection Need for Nuclear Steam Generators Based on Existing Inspection Data

... A new quantitative assessment methodology for the accumulation of environment related flaws in steam generator tubes has been developed. The method that combines deterministic information regarding flaw initiation ...

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French Nuclear Plant Life Management Strategy Application on Reactor Pressure Vessels and Steam Generators Life Management

French Nuclear Plant Life Management Strategy Application on Reactor Pressure Vessels and Steam Generators Life Management

... the Steam Generators life management and Replacement policy, the approach used by the French utility, concerning the Aging Management system of the Steam Generators (SG), applied on PWR NPPs, ...

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Aging of Tubes in the Krško Nuclear Power Plant’s Steam Generators

Aging of Tubes in the Krško Nuclear Power Plant’s Steam Generators

... both steam generators during the period 1990 to ...dent Steam Line break. Two cases are considered for each steam generator: (1) “All defects”, which means that no credit was taken for tube ...

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Ageing Phenomena in Nuclear Power Plant Steam Generators

Ageing Phenomena in Nuclear Power Plant Steam Generators

... in steam generators, together with their impact on plant availability and performing preventive and corrective ...(NPP) steam generator issues throughout the present ...

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Integrated Licensing of the Steam Generators’ Replacement and Uprating at the Krško Nuclear Power Plant

Integrated Licensing of the Steam Generators’ Replacement and Uprating at the Krško Nuclear Power Plant

... Krško NPP is one of the last European pressurized-water reactor NPPs of western design that has decided to replace the existing SGs and perform the power uprating at the same time. Cur- rently, the plant is licensed to ...

9

Steam-Generators Replacement at the Krško Nuclear Power Plant

Steam-Generators Replacement at the Krško Nuclear Power Plant

... This work package deals with the adaptation of the new steam generators to the existing reactor coolant system (RCS). The SG is separated from the remaining RCS by cuts at the primary nozzles. The fit-up ...

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The New Steam Generators for the Krško Nuclear Power Plant

The New Steam Generators for the Krško Nuclear Power Plant

... new steam generators for the Krško nuclear power plant (NPP) was with the Consortium Siemens- ...economy, steam- generator capability and delivery ...

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Leak detection in power plant heat recovery steam generators utilizing medical radionuclides

Leak detection in power plant heat recovery steam generators utilizing medical radionuclides

... In-service monitoring utilizing on-line acoustic type steam leak detectors have also been used in coal fired boilers. Acoustic detectors are normally fitted during construction of the boiler. When a pressurized ...

100

Inverse Method for Stress   Monitoring in Pressure Components of Steam Generators (D489)

Inverse Method for Stress Monitoring in Pressure Components of Steam Generators (D489)

... Temperature was measured on the outer thermally insulated surface at 22-28 nodes, as shown by Fig.9. The measured temperature transients are presented in Fig. 10. The calculated temperature histories on the inner surface ...

8

The Role of Welding in the Manufacture of the Steam Generators for the Krško Nuclear Power Plant

The Role of Welding in the Manufacture of the Steam Generators for the Krško Nuclear Power Plant

... the steam genera- tors for the Krško Nuclear Power ...each steam gen- ...the steam generator is ...the steam-generator shell is de- ...

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Comparative Assessment of Combined Heat and Power Performance of Small Scale Aero Derivative Gas Turbine Cycles

Comparative Assessment of Combined Heat and Power Performance of Small Scale Aero Derivative Gas Turbine Cycles

... and steam is generally the source of their heat energy ...and steam crack- ing of heavier feedstock, polymerisation, and processing of aromatics occurring in petrochemical plants ...[5]. Steam could ...

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ECOLOGY SAFETY TECHNOLOGIES OF UNCONVENTIONAL OIL RESERVES RECOVERY FOR SUSTAINABLE OIL AND GAS INDUSTRY DEVELOPMENT

ECOLOGY SAFETY TECHNOLOGIES OF UNCONVENTIONAL OIL RESERVES RECOVERY FOR SUSTAINABLE OIL AND GAS INDUSTRY DEVELOPMENT

... the steam-based technologies are preferable for recovering heavy oil ...Traditional steam stimulation technology uses the ground steam generators, working on hydrocarbon fuel ...burning. ...

6

On-site vibration test of PWR reactor-coolant loop in application for construction plan license after great east Japan earthquake

On-site vibration test of PWR reactor-coolant loop in application for construction plan license after great east Japan earthquake

... In USA, 3% damping ratio has been employed for seismic analysis of Reactor Coolant Loop (RCL) in PWR plants since 1970s. In Japan, 0.5% or 1% damping ratio was used originally because the validity of 3% damping ratio was ...

8

Thermal-Hydraulic Safety Analyses Supporting the Steam Generator Replacement and Uprating at Krško Nuclear Power Plant

Thermal-Hydraulic Safety Analyses Supporting the Steam Generator Replacement and Uprating at Krško Nuclear Power Plant

... 3 OVERVIEW OF THE CRITICAL ACCIDENTS The selection of cases, assumed to be criti- cal, was based on the operating window and the lim- iting cases from the current Updated Safety Analy- sis Report [6]. The analyses were ...

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Data driven approaches to managing uncertain load control in sustainable power systems (project outputs)

Data driven approaches to managing uncertain load control in sustainable power systems (project outputs)

... This work builds on the approach of [11], which uses a chance-constrained formulation to determine reserve allo- cations among generators and responsive loads, accounting for uncertainty in wind and responsive ...

8

STEAM ENGINE BY USING FRESNEL LENSES.

STEAM ENGINE BY USING FRESNEL LENSES.

... Joshua Folaranmiet al. [2]presented experimental investigation to the design, construction and testing of a parabolic dish solar steam generator. Using concentrating collector, heat from the sun is concentrated on ...

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Design and Analysis of Material for the Pipeline between Power Plant Accessories

Design and Analysis of Material for the Pipeline between Power Plant Accessories

... For the process of nuclear power generation, the radioactive fuels are madeto undergo fission reaction within the nuclear reactors. The fission reaction, propagates like a controlled chain reaction and is accompanied by ...

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