Propulsion System Sizing For Powered Lift And Mechanical Flap Quiet Aircraft

740455

02/01/1974

Event
National Air Transportation Meeting
Authors Abstract
Content
Propulsion system sizing for mechanical flap and externally blown flap aircraft is demonstrated. Included in this study is the effect of various levels of noise suppression on the aircraft final design characteristics. Both aircraft are sized to operate from a 3000 ft runway and perform the same mission. For each aircraft concept, propulsion system sizing is demonstrated for two different engine cycles-one having a fan pressure ratio of 1.5 and a bypass ratio of 9 and the other having a fan pressure ratio of 1.25 and a bypass ratio of 17.8. The results presented include the required thrust to weight ratio, wing loading, resulting gross weight and direct operating costs as functions of the engine noise level for each combination of engine cycle and aircraft concept.
Meta TagsDetails
DOI
https://doi.org/10.4271/740455
Pages
10
Citation
Bowles, J., Galloway, T., and Waters, M., "Propulsion System Sizing For Powered Lift And Mechanical Flap Quiet Aircraft," SAE Technical Paper 740455, 1974, https://doi.org/10.4271/740455.
Additional Details
Publisher
Published
Feb 1, 1974
Product Code
740455
Content Type
Technical Paper
Language
English