Sentence examples for mean absorption coefficient from inspiring English sources
The results suggested a very good correlation between porosity and the mean absorption coefficient.
Calculations using the Planck mean absorption coefficient are compared with computations performed using the spectral line-based weighted-sum-of-gray-gases model.
As with a number of earlier investigations, the use of Planck mean absorption coefficient is found to overpredict net emission and flame radiative loss.
By multiplying a correction factor (less than 1) in front of the Planck mean absorption coefficient, it is possible to compute many global flame properties with reasonable accuracy.
However, the range of the acceptable dimension ratios decreases with decreasing α and for mean absorption coefficient lower or equal 0.3 there are only a few of the ratios for which a uniform distribution of eigenmodes is obtained.
The gas soot mixture was treated either as gray (using the effective absorption coefficient derived from total emissivity data or the Planck mean absorption coefficient) or as non-gray (using the weighed sum of gray gases model).
The gases radiation properties are evaluated using the established weighted sum of grey gas model while soot absorption coefficient is calculated using a single Planck-mean absorption coefficient.
Finally, by means of a statistical analysis, linear coefficients that relate the average absorption coefficient and porosity were determined.
where α is the mean radiation absorption coefficient.
Mean values of the absorption coefficient, blackbody radiation intensity and radiative emission are evaluated for different turbulence levels by assuming the pdf shape of mixture fraction.
Indices r and i denote real and imaginary parts, respectively., and, are given by, and, are the real and imaginary parts of the following quantities:,,, and, are given by is given by The symbol that appears in the phase term in equation (21) denotes the thickness of the interspacing gap between surfaces a′ and b, namely ; is the linear absorption coefficient for mean absorption.
