Supercritical oxidation of boiler tube materials

Satu Tuurna, Sanni Yli-Olli, Sami Penttilä, Pertti Auerkari, Xiao Huang

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

The advantage of using supercritical water systems for power generation is based on the increased thermodynamic efficiency when operating at higher temperature and pressure. High efficiency in power generation is not only desirable because of economical reasons but also for enhanced environmental performance. Steam oxidation has become an important issue for steam power plants as operating temperatures increase from current to 650°C and even higher. To achieve these higher steam values new materials are needed. This paper presents results of the oxidation performance of potential new alloys (FeCrAlY, NiCrAl and Sanicro 25) in a supercritical water autoclave environment at 650°C/250 bar.
Original languageEnglish
Number of pages7
JournalJournal of Nuclear Engineering and Radiation Science
Volume2
Issue number2
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Keywords

  • oxidation
  • boiler tubes
  • energy generation
  • water
  • steam
  • thermal power stations
  • pressure
  • temperature
  • alloys
  • operating temperature

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