Remaining life evaluation of power plant components from creep strain-rate, temperature and pressure data

被引：0

作者：

Matt, C. F. ^{[1
]}

Furtado, H. C. ^{[1
]}

Rocha, R. O. ^{[1
]}

Guedes, V. G. ^{[1
]}

Michalski, M. A. ^{[1
]}

Cardoso, B. R. ^{[1
]}

Santos, F. F. ^{[1
]}

Felippe, L. ^{[2
]}

机构：

[1] Elect Power Res Ctr CEPEL, Box 68007, Rio De Janeiro, Brazil

[2] Tractebel Energia Co, Capivari De Baixo, SC, Brazil

来源：

ENGINEERING STRUCTURAL INTEGRITY: RESEARCH, DEVELOPMENT AND APPLICATION, VOLS 1 AND 2 | 2007年

关键词：

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Methodology developed to evaluate the remaining life of a power plant reheater based on creep strain-rate estimate, and temperature and pressure measurements, is described. It uses well-known concepts from the literature on creep and is flexible to account for the cyclic operation of Brazilian power plants. The results computed for remaining life are compared with those obtained from the Larson-Miller approach, which does not take into account creep strain rate in the components subject to high temperature and internal pressure. The discrepancies verified between the two methodologies justify further research of on-line creep strain rate monitoring in order to assess the accuracy of the proposed methodology.

引用

页码：1000 / +

页数：2

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