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Laboratory evaluation and application of microwave absorption properties under simulated conditions for planetary atmospheres (Document No: 19910012744)
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Steffes, Paul G. |
| Copyright Year | 1991 |
| Description | Laboratory measurements of microwave and millimeter wave properties of the simulated atmosphere of the outer planets and their satellites has continued. One of the focuses is on the development of a radiative transfer model of the Jovian atmosphere at wavelengths from 1 mm to 10 cm. This modeling effort led to laboratory measurements of the millimeter wave opacity of hydrogen sulfide (H2S) under simulated Jovian conditions. Descriptions of the modeling effort, the Laboratory experiment, and the observations are presented. Correlative studies of measurements with Pioneer-Venus radio occultation measurements with longer wavelength emission measurements have provided new ways for characterizing temporal and spatial variations in the abundance of both gases H2SO4 and SO2, and for modeling their roles in the subcloud atmosphere. Laboratory measurements were conducted on 1.35 cm (and 13 cm) opacity of gaseous SO2 and absorptivity of gaseous SO2 at the 3.2 mm wavelength under simulated Venus conditions. Laboratory measurements were completed on millimeter wave dielectric properties of liquid H2SO4, in order to model the effects of the opacity of the clouds of Venus onto millimeter wave emission spectrum. |
| File Size | 2238250 |
| Page Count | 57 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19910012744 |
| Archival Resource Key | ark:/13960/t1vf1r520 |
| Language | English |
| Publisher Date | 1991-01-01 |
| Access Restriction | Open |
| Subject Keyword | Lunar And Planetary Exploration Planetary Atmospheres Temporal Distribution Venus Clouds Venus Atmosphere Electromagnetic Absorption Dielectric Properties Microwave Attenuation Jupiter Atmosphere Absorptivity Sulfuric Acid Sulfur Dioxides Hydrogen Sulfide Radio Occultation Emission Spectra Millimeter Waves Gas Giant Planets Radiative Transfer Pioneer Venus Spacecraft Microwaves 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 |
