|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||239/265.17 ; 600/204 ; 600/264 ; 600/271|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 29 인용 특허 : 3|
Mixing of a subsonic exhaust plume from a nozzle is induced and enhanced, and shaping of the plume is controlled, by periodic pulsed jets of fluid injected into the plume from two or more locations spaced circumferentially about the plume. The jets are pulsed out of phase relative to one another. An active flow control apparatus includes at least first and second pulsed jet nozzles circumferentially spaced apart about the exhaust plume near an exit plane of the exhaust nozzle, and a pulse generator operable to supply periodic pulses of fluid to each of t...
[ What is claimed is:] [1.]1. A method for enhancing mixing of an exhaust plume from a nozzle, comprising:directing periodically recurring pulsed jets of fluid inwardly into the exhaust plume from at least two locations spaced circumferentially about the plume, with pulses directed from said locations being out of phase relative to one another, the jets being pulsed at a frequency selected based on flow conditions of the plume so as to cause instability of a shear layer of the plume downstream from an exit plane of the nozzle and thereby cause the plume ...