| 摘要 |
<p>A piloting fuel injector assembly for a supersonic ramjet engine has a cowl (24, 70) confining a pilot air portion of the airstream. A conical member (34, 74) produces a subsonic recirculation zone (30, 76) and a shock wave falling within the cowl. Pilot fuel injected (40, 82) upstream of the recirculation zone burns stoichiometrically. The exhaust (38, 86) from the cowl is sonic, producing a shock wave which facilitates ignition of the main fuel injected (46, 84) upstream of the cowl exhaust.</p> |
