What question did this study set out to answer?

To experimentally evaluate the accuracy of the Curtis–Godson approximation when calculating the spectral transmittances and radiant heating of inhomogeneous optical paths.

November 1, 1966Applied OpticsOpen Access

Use of the Curtis–Godson Approximation in Calculations of Radiant Heating by Inhomogeneous Hot Gases

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Authors

BKBurton KrakowUniversity of South Florida HBHarold J. BabrovRockwell Automation (United States)GMG. Jordan MaclayUniversity of Illinois Chicago

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Implication

Experimental validation demonstrates high accuracy of the Curtis-Godson approximation in multizone hot gases, indicating its reliability for radiant heating calculations.

Key Points

To experimentally evaluate the accuracy of the Curtis–Godson approximation when calculating the spectral transmittances and radiant heating of inhomogeneous optical paths.
Measured infrared spectral transmittances across inhomogeneous hot gas samples composed of water vapor (H2O) and carbon dioxide (CO2).
Constructed multizone assemblies containing two or three homogeneous gas zones in series to record both individual zonal transmittances and composite assembly transmittances.
Calculated inhomogeneous optical path transmittances using the Curtis–Godson approximation combined with a random band model and compared them to direct experimental measurements.
Measured and calculated inhomogeneous transmittances concurred within approximately 0.02 across the evaluated optical paths.
The residual discrepancy between calculated and observed values was primarily attributed to random band model theory rather than inaccuracies in the Curtis–Godson approximation.

Cite This Study

Krakow et al. (1966) studied this question.

synapsesocial.com/papers/6a86bff336c36f97809eb334 https://doi.org/10.1364/ao.5.001791

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Implication

Experimental validation demonstrates high accuracy of the Curtis-Godson approximation in multizone hot gases, indicating its reliability for radiant heating calculations.

Use of the Curtis–Godson Approximation in Calculations of Radiant Heating by Inhomogeneous Hot Gases

Discussion

Member takes

Implication

Key Points

Cite This Study

Use of the Curtis–Godson Approximation in Calculations of Radiant Heating by Inhomogeneous Hot Gases

Discussion

Member takes

Implication

Key Points

Cite This Study

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