210 likes | 384 Views
AEROSPACE 410 AEROSPACE PROPULSION (10/7/2002) AIR BREATHING ENGINE TURBO-FAN ENGINES GE 90 A THIRD GENERATION BY-PASS ENGINE. Dr. Cengiz Camci.
E N D
AEROSPACE 410 AEROSPACE PROPULSION (10/7/2002) AIR BREATHING ENGINE TURBO-FAN ENGINES GE 90 A THIRD GENERATION BY-PASS ENGINE Dr. Cengiz Camci
GE 90 introduced in 1995current thrust level is 115,000 lbs GE 90 115Bthe engine sustained122,965 lbs ground testsPeebles OHIOexpected in service in 2003Boeing 777 ER
Composite fan blades Swept fan blades High efficiency core compressor
6 years 2.3 million engine flight hours 30 reported bird ingestion events (including a bird more than 3 lbs) All fan blades remained fully servicable
Swept fan blades add More than 2000 lbs (8.9 k N) Additional thrust SWEPT FAN BLADES also provide better fuel burn
Ex Pan Am 747-100 Tests by Lucas Aerospace Wings needed re-strengthening
ETOPS EXTENDED TWIN OPERATIONS OVER WATER
FAA Type Design approval confirms that the engine/aircraft combination has the reliability to conduct ETOPS operations up to 180 minutes flying time from a primary or alternate airport. ETOPS approval provides airlines much greater route-scheduling flexibility as it allows twin-engine aircraft to service routes traditionally reserved for three- and four-engine aircraft.
MOST IN FLIGHT SHUT-DOWNS ARE CAUSED BY PUMPS, TUBES AND SIMILAR EXTERNAL COMPONENTS
GE 90 115B the engine sustained122,965 lbs ground testsPeebles OHIO