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Engineering Commons

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Mechanical Engineering

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Brigham Young University

2013

ALBDF

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Full-Text Articles in Engineering

The Development Of Updated And Improved Slw Model Parameters And Its Application To Comprehensive Combustion Predictions, John T. Pearson Oct 2013

The Development Of Updated And Improved Slw Model Parameters And Its Application To Comprehensive Combustion Predictions, John T. Pearson

Theses and Dissertations

Accurate modeling of radiative heat transfer through combustion gases has received considerable attention in recent years. The spectral line weighted-sum-of-gray-gases (SLW) model was developed based on detailed line-by-line spectral data of gases. A critical element of the SLW model is the absorption line blackbody distribution function (ALBDF). This function was designed to utilize the spectral properties of gases in an efficient and compact manner. However, there are several limitations of the ALBDF in its original form. First, the valid ranges of temperature and pressure are not large enough to include important applications, such as oxy-combustion, where temperatures can exceed 2500 …