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Velocity distributions of h and oh produced through solar photodissociation of h2o
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Judge, D. L. Chen, F. Z. Wu, C. Y. Robert |
| Copyright Year | 1992 |
| Description | The calculated velocity distributions of atomic hydrogen and hydroxyl radicals produced through solar photodissociation of gaseous water molecules are presented. Under collisionless conditions, the calculation was carried out using the most recent available data for the production of H and OH through photodissociation of H2O from its dissociation onset throughout the EUV region. Because the lack of data in certain spectral regions, only upper and lower bounds to the velocity distributions can be obtained. The results show that the H atoms and OH radicals produced exhibit multiple velocity groups. Since most of the current cometary modeling uses a single velocity of 20 km/s associated with the photodissociation of H2O, the present results may be useful in interpreting the many peaks observed in the velocity distributions of cometary atomic hydrogen. |
| File Size | 293563 |
| Page Count | 4 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19930010077 |
| Archival Resource Key | ark:/13960/t42r8rb8k |
| Language | English |
| Publisher Date | 1992-01-01 |
| Access Restriction | Open |
| Subject Keyword | Solar Physics Comets Water Cometary Atmospheres Hydrogen Hydroxyl Radicals Velocity Distribution Photodissociation Solar Radiation Extreme Ultraviolet Radiation Photoexcitation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
