An experimental simulation of liquid fuel injection into a heated subsonic gas crossflow
| dc.contributor.author | Hewitt, Patrick William | en |
| dc.contributor.department | Aerospace and Ocean Engineering | en |
| dc.date.accessioned | 2019-01-31T18:27:13Z | en |
| dc.date.available | 2019-01-31T18:27:13Z | en |
| dc.date.issued | 1982 | en |
| dc.description.abstract | In this investigation, an approach to studying hot-flow subsonic cross-stream fuel injection problems with a less complex and less costly cold-flow facility was developed and implemented. An actual ramjet combustion chamber fuel injection problem was proposed where ambient temperature fuel was injected into a heated airstream. This case was transformed through similarity parameters involving injection and freestream properties to a simulated case where a chilled injectant was injected into an ambient subsonic airstream. This task was accomplished through injection of chilled Freon-12 into the Virginia Tech 23 x 23 cm. blow-down wind tunnel at a freestream Mach number of 0.44. The freestream stagnation pressure and temperature were held at 2.5 atm. and 300°K respectively. The resulting spray plume was carefully examined and documented with photographs and droplet measurements. The results showed a clear picture of the mechanisms of jet decomposition and vaporization. Immediately after injection a vapor cloud was formed in the jet plume, which dissipated downstream leaving droplets on the order of 8 to 10 microns in diameter for the conditions examined. | en |
| dc.description.degree | Master of Science | en |
| dc.format.extent | viii, 50, [1] leaves | en |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.uri | http://hdl.handle.net/10919/87196 | en |
| dc.language.iso | en_US | en |
| dc.publisher | Virginia Polytechnic Institute and State University | en |
| dc.relation.isformatof | OCLC# 9403302 | en |
| dc.rights | In Copyright | en |
| dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | en |
| dc.subject.lcc | LD5655.V855 1982.H484 | en |
| dc.subject.lcsh | Jets -- Fluid dynamics | en |
| dc.title | An experimental simulation of liquid fuel injection into a heated subsonic gas crossflow | en |
| dc.type | Thesis | en |
| dc.type.dcmitype | Text | en |
| thesis.degree.discipline | Aerospace and Ocean Engineering | en |
| thesis.degree.grantor | Virginia Polytechnic Institute and State University | en |
| thesis.degree.level | masters | en |
| thesis.degree.name | Master of Science | en |
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