Validation of spectral gas radiation models under oxyfuel conditions. Part A: Gas cell experiments

Valentin Becher, Sønnik Clausen, Alexander Fateev, Hartmut Spliethoff

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    AbstractCombustion of hydrocarbon fuels with pure oxygen results in a different flue gas composition as combustion with air. Standard CFD spectral gas radiation models for air combustion are out of their validity range. The series of three articles provides a common spectral basis for the validation of new developed models. In part A of the series gas cell transmissivity spectra in the spectral range of 2.4–5.4μm of water vapor and carbon dioxide in the temperature range from 727 to 1500° C and at different concentrations were compared at a nominal resolution of 32cm−1 to line-by-line models from different databases, two statistical-narrow-band models and the exponential wide band model. The two statistical-narrow-band models EM2C and RADCAL showed a good agreement with a maximal band transmissivity deviation of 3%. The exponential-wide-band model showed a deviation of 6%. The new line-by-line database HITEMP2010 had the lowest band transmissivity deviation of 2.2% and was recommended as a reference model for the validation of simplified CFD models.
    Original languageEnglish
    JournalInternational Journal of Greenhouse Gas Control
    Volume5
    Pages (from-to)S76-S99
    ISSN1750-5836
    DOIs
    Publication statusPublished - 2011

    Keywords

    • Combustion pollution control technologies

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