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Author : James Chard
Release : 2018
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Tangential Leading Edge Blowing for Flow Control on Non-slender Delta Wings by : James Chard
Download or read book Tangential Leading Edge Blowing for Flow Control on Non-slender Delta Wings written by James Chard. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Release : 2018-11-18
Genre :
Kind : eBook
Book Rating : 593/5 ( reviews)
Book Synopsis Controlled Vortical Flow on Delta Wings Through Unsteady Leading Edge Blowing by : National Aeronautics and Space Adm Nasa
Download or read book Controlled Vortical Flow on Delta Wings Through Unsteady Leading Edge Blowing written by National Aeronautics and Space Adm Nasa. This book was released on 2018-11-18. Available in PDF, EPUB and Kindle. Book excerpt: The vortical flow over a delta wing contributes an important part of the lift - the so called nonlinear lift. Controlling this vortical flow with its favorable influence would enhance aircraft maneuverability at high angle of attack. Several previous studies have shown that control of the vortical flow field is possible through the use of blowing jets. The present experimental research studies vortical flow control by applying a new blowing scheme to the rounded leading edge of a delta wing; this blowing scheme is called Tangential Leading Edge Blowing (TLEB). Vortical flow response both to steady blowing and to unsteady blowing is investigated. It is found that TLEB can redevelop stable, strong vortices even in the post-stall angle of attack regime. Analysis of the steady data shows that the effect of leading edge blowing can be interpreted as an effective change in angle of attack. The examination of the fundamental time scales for vortical flow re-organization after the application of blowing for different initial states of the flow field is studied. Different time scales for flow re-organization are shown to depend upon the effective angle of attack. A faster response time can be achieved at angles of attack beyond stall by a suitable choice of the initial blowing momentum strength. Consequently, TLEB shows the potential of controlling the vortical flow over a wide range of angles of attack; i.e., in both for pre-stall and post-stall conditions. Lee, K. T. and Roberts, Leonard BLOWING; DELTA WINGS; FLOW DISTRIBUTION; LEADING EDGES; VORTICES; AIRCRAFT MANEUVERS; ANGLE OF ATTACK; MOMENTUM; NONLINEARITY; STABILITY...
Author : David T. Yeh
Release : 1989
Genre :
Kind : eBook
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Book Synopsis Numerical Study of the Effect of Tangential Leading Edge Blowing on Delta Wing Vortical Flow by : David T. Yeh
Download or read book Numerical Study of the Effect of Tangential Leading Edge Blowing on Delta Wing Vortical Flow written by David T. Yeh. This book was released on 1989. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andreas Dillmann
Release : 2016-03-28
Genre : Technology & Engineering
Kind : eBook
Book Rating : 799/5 ( reviews)
Book Synopsis New Results in Numerical and Experimental Fluid Mechanics X by : Andreas Dillmann
Download or read book New Results in Numerical and Experimental Fluid Mechanics X written by Andreas Dillmann. This book was released on 2016-03-28. Available in PDF, EPUB and Kindle. Book excerpt: This book presents contributions to the 19th biannual symposium of the German Aerospace Aerodynamics Association (STAB) and the German Society for Aeronautics and Astronautics (DGLR). The individual chapters reflect ongoing research conducted by the STAB members in the field of numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications, and cover both nationally and EC-funded projects. Special emphasis is given to collaborative research projects conducted by German scientists and engineers from universities, research-establishments and industries. By addressing a number of cutting-edge applications, together with the relevant physical and mathematics fundamentals, the book provides readers with a comprehensive overview of the current research work in the field. Though the book’s primary emphasis is on the aerospace context, it also addresses further important applications, e.g. in ground transportation and energy.
Author : K. T. Lee
Release : 1990
Genre : Airplanes
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Controlled Vortical Flow on Delta Wings Through Unsteady Leading Edge Blowing by : K. T. Lee
Download or read book Controlled Vortical Flow on Delta Wings Through Unsteady Leading Edge Blowing written by K. T. Lee. This book was released on 1990. Available in PDF, EPUB and Kindle. Book excerpt:
