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Power Plant Life Management and Performance Improvement by J Oakey

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12

Steam boiler component loading, monitoring and life assessment

J. Taler and P. Duda,     Cracow University of Technology, Poland

Abstract:

Thermal and strength analysis for thick-walled pressure components of steam boilers will be presented. The effects of different ways of conducting start-up and shut-down operations on loading of steam boiler components will be analysed. Total damage of a component owing to creep and thermal fatigue is calculated using the Palmgren–Miner rule of damage summation. An analysis of obligatory standards will be conducted and new methods of calculating and monitoring stress at components of complex geometry will be proposed. Identification of transient temperature and thermal stress distributions on the basis ...

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