| 摘要 |
A multiple jet, aircraft engine exhaust installation comprising at least two engine exhaust nozzles, aircraft structure joining said exhaust nozzles, means for supplying fuel to be burnt at a region immediately aft of said joining aircraft structure, outlet orifices terminating said exhaust nozzles at exit planes, said exit planes being convergent in the upstream sense, ducts defining an outlet passage for exhaust gases in said nozzles and extending from duct throats within said nozzles to said outlet orifices and wherein said ducts are shaped in accordance with the supersonic Prandtl-Meyer flow theory of supersonic expansion.
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