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An accurate method for computing the absorption of solar radiation by water vapor
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Chou, M. D. |
| Copyright Year | 1980 |
| Description | The method is based upon molecular line parameters and makes use of a far wing scaling approximation and k distribution approach previously applied to the computation of the infrared cooling rate due to water vapor. Taking into account the wave number dependence of the incident solar flux, the solar heating rate is computed for the entire water vapor spectrum and for individual absorption bands. The accuracy of the method is tested against line by line calculations. The method introduces a maximum error of 0.06 C/day. The method has the additional advantage over previous methods in that it can be applied to any portion of the spectral region containing the water vapor bands. The integrated absorptances and line intensities computed from the molecular line parameters were compared with laboratory measurements. The comparison reveals that, among the three different sources, absorptance is the largest for the laboratory measurements. |
| File Size | 1024624 |
| Page Count | 38 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19810010450 |
| Archival Resource Key | ark:/13960/t2j72848f |
| Language | English |
| Publisher Date | 1980-04-01 |
| Access Restriction | Open |
| Subject Keyword | Solar Physics Cloud Cover Radiation Absorption Spectrum Analysis Infrared Radiation Solar Flux Absorption Spectra Line Spectra Solar Radiation Water Vapor Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
