منابع مشابه
Integration of Propulsion-Airframe-Aeroacoustic Technologies and Design Concepts for a Quiet Blended- Wing-Body Transport
This paper summarizes the results of studies undertaken to investigate revolutionary propulsion-airframe configurations that have the potential to achieve significant noise reductions over present-day commercial transport aircraft. Using a 300 passenger BlendedWing-Body (BWB) as a baseline, several alternative low-noise propulsion-airframeaeroacoustic (PAA) technologies and design concepts were...
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This paper presents a study on the coupled aeroelastic/flight dynamic stability and gust response of a blendedwing-body aircraft that derives from the U.S. Air Force’s High Lift-Over-Drag Active (HiLDA) wing experimental model. An effective method is used to model very flexible blended-wing-body vehicles based on a low-order aeroelastic formulation that is capable of capturing the important str...
متن کاملCollege of Aeronautics Blended Wing Body Development Programme
Continued pressure to achieve reductions in direct operating costs (D. O. C.) combined with ever tightening environmental constraints has left the aircraft designer with little option but to explore the possibilities offered by more novel configurations. This paper describes the programme of activities currently underway at the College of Aeronautics, Cranfield, that is intended to objectively ...
متن کاملAerodynamic Design Optimization Studies of a Blended-Wing-Body Aircraft
Abstract The blended-wing body is an aircraft configuration that has the potential to be more efficient than conventional large transport aircraft configurations with the same capability. However, the design of the blended-wing is challenging due to the tight coupling between aerodynamic performance, trim, and stability. Other design challenges include the nature and number of the design variab...
متن کاملNavier-Stokes Computations of Longitudinal Forces and Moments for a Blended Wing Body
The object of this paper is to investigate the feasibility of applying CFD methods to aerodynamic analyses for aircraft stability and control. The integrated aerodynamic parameters used in stability and control, however, are not necessarily those extensively validated in the state of the art CFD technology. Hence, an exploratory study of such applications and the comparison of the solutions to ...
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ژورنال
عنوان ژورنال: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
سال: 2001
ISSN: 0954-4100,2041-3025
DOI: 10.1243/0954410011533329