Life extension of superheater tubes in fossil power plants

Milind Lele, Asok Ray, P. Kallappa

Research output: Contribution to journalConference article

1 Scopus citations

Abstract

This paper presents a life prediction model of radiant superheater tubes in steam generators of power plants. The objective is to generate relevant information for a decision and control system that will enhance the service life of steam generators in power plants specifically under transient conditions such as load following, start-up and scheduled shutdown. The key idea is to estimate the damage and damage rate in critical components such as radiant superheater tubes based on the available real-time sensor data and an analytical model. This information is also useful for making long-term strategies for operation planning and maintenance scheduling. The proposed life prediction module consists of the following two submodules: (i) a thermofluid dynamic and heat transfer model; and (ii) a thermoelastic and thermo-viscoplastic model of the tube material.

Original languageEnglish (US)
Pages (from-to)1321-1334
Number of pages14
JournalISA TECH/EXPO Technology Update Conference Proceedings
Volume51
Issue number2
StatePublished - Dec 1 1996
EventProceedings of the 1996 International Conference on Advances in Instrumentation and Control. Part 2 (of 2) - Chicago, IL, USA
Duration: Oct 6 1996Oct 11 1996

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics

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