Control Of Unsteady Separated Flow Associated With The Dynamic Pitching Of Airfoils

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Control of Unsteady Separated Flow Associated with the Dynamic Pitching of Airfoils

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722323097
Total Pages : 88 pages
Book Rating : 4.3/5 (23 download)

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Book Synopsis Control of Unsteady Separated Flow Associated with the Dynamic Pitching of Airfoils by : National Aeronautics and Space Administration (NASA)

Download or read book Control of Unsteady Separated Flow Associated with the Dynamic Pitching of Airfoils written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-08 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although studies have been done to understand the dependence of parameters for the occurrence of deep stall, studies to control the flow for sustaining lift for a longer time has been little. To sustain the lift for a longer time, an understanding of the development of the flow over the airfoil is essential. Studies at high speed are required to study how the flow behavior is dictated by the effects of compressibility. When the airfoil is pitched up in ramp motion or during the upstroke of an oscillatory cycle, the flow development on the upper surface of the airfoil and the formation of the vortex dictates the increase in lift behavior. Vortex shedding past the training edge decreases the lift. It is not clear what is the mechanism associated with the unsteady separation and vortex formation in present unsteady environment. To develop any flow control device, to suppress the vortex formation or delay separation, it is important that this mechanism be properly understood. The research activities directed toward understanding these questions are presented and the results are summarized. Ahmed, Sajeer Unspecified Center...

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 542 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Control of Unsteady Separated Flow Associated with the Dynamic Stall of Airfoils

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722129682
Total Pages : 32 pages
Book Rating : 4.1/5 (296 download)

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Book Synopsis Control of Unsteady Separated Flow Associated with the Dynamic Stall of Airfoils by : National Aeronautics and Space Administration (NASA)

Download or read book Control of Unsteady Separated Flow Associated with the Dynamic Stall of Airfoils written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two principal objectives of this research were to achieve an improved understanding of the mechanisms involved in the onset and development of dynamic stall under compressible flow conditions, and to investigate the feasibility of employing adaptive airfoil geometry as an active flow control device in the dynamic stall engine. Presented here are the results of a quantitative (PDI) study of the compressibility effects on dynamic stall over the transiently pitching airfoil, as well as a discussion of a preliminary technique developed to measure the deformation produced by the adaptive geometry control device, and bench test results obtained using an airfoil equipped with the device. Wilder, Michael C. Unspecified Center NCC2-637...

35th Aerospace Sciences Meeting & Exhibit

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Publisher :
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis 35th Aerospace Sciences Meeting & Exhibit by :

Download or read book 35th Aerospace Sciences Meeting & Exhibit written by and published by . This book was released on 1997 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index

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Publisher :
ISBN 13 :
Total Pages : 1688 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt:

32nd Aerospace Sciences Meeting & Exhibit: 94-0180 - 94-0219

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Publisher :
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.0/5 ( download)

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Download or read book 32nd Aerospace Sciences Meeting & Exhibit: 94-0180 - 94-0219 written by and published by . This book was released on 1994 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Atlas of Visualization

Author : Yasuki Nakayama
Publisher : CRC Press
ISBN 13 : 9780849326578
Total Pages : 294 pages
Book Rating : 4.3/5 (265 download)

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Book Synopsis Atlas of Visualization by : Yasuki Nakayama

Download or read book Atlas of Visualization written by Yasuki Nakayama and published by CRC Press. This book was released on 1997-03-24 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visualization is a novel interdisciplinary science for making any phenomenon clear by visualizing the invisible using computer techniques. The Atlas of Visualization presents the latest advances in visualization techniques, image processing, computer graphics, and visualization of measured and compound results. Focusing on both experimental and computer-aided visualization, this encyclopedic resource discusses all aspects of this new and evolving science. This volume includes cutting-edge information on turbulent flow, vortex, water spray, PIV, jet flames, thermal plume and numerical simulation, and heat and mass transfer. Encompasses all aspects of visualization! The Atlas of Visualization is concerned with all aspects of visualization, not just with engineering and physics applications, but with applications in disciplines such as the biomedical sciences, oceanography, agriculture, meteorology, and sports science. The aim of this book is to provide a medium for announcing the latest advances in visualization. Full color presentation! Books on visualization could not discuss complex phenomena without the use of color photographs. For this reason, the Atlas of Visualization is issued in full color. This allows the complex phenomena to be presented clearly, and combined phenomena are illustrated with quantitative results and detailed structure. Global perspective! The chapters and gravures in the Atlas are contributed by the world's top researchers, and provides both researchers and technicians with extremely useful information from the foremost innovators in the field of visualization. Computer scientists, mechanical engineers, physicists, applied and biological scientists, meteorologists, and sports scientists, as well as students of these disciplines, will find the Atlas of Visualization an essential source of all the latest knowledge in the field of visualization.

Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1993

Author : M.D. Kelleher
Publisher : Elsevier
ISBN 13 : 044459860X
Total Pages : 1002 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1993 by : M.D. Kelleher

Download or read book Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1993 written by M.D. Kelleher and published by Elsevier. This book was released on 2012-12-02 with total page 1002 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers contained in this volume reflect the ingenuity and originality of experimental work in the areas of fluid mechanics, heat transfer and thermodynamics. The contributors are drawn from 27 countries which indicates how well the worldwide scientific community is networked. The papers cover a broad spectrum from the experimental investigation of complex fundamental physical phenomena to the study of practical devices and applications. A uniform outline and method of presentation has been used for each paper.

A Collection of Technical Papers

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Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.0/5 ( download)

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Download or read book A Collection of Technical Papers written by and published by . This book was released on 1986 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Principles of Helicopter Aerodynamics

Author : J. Gordon Leishman
Publisher : Cambridge University Press
ISBN 13 : 9780521523967
Total Pages : 544 pages
Book Rating : 4.5/5 (239 download)

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Book Synopsis Principles of Helicopter Aerodynamics by : J. Gordon Leishman

Download or read book Principles of Helicopter Aerodynamics written by J. Gordon Leishman and published by Cambridge University Press. This book was released on 2002-12-23 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Helicopters are highly capable and useful rotating-wing aircraft with roles that encompass a variety of civilian and military applications. Their usefulness lies in their unique ability to take off and land vertically, to hover stationary relative to the ground, and to fly forward, backward, or sideways. These unique flying qualities, however, come at a high cost including complex aerodynamic problems, significant vibrations, high levels of noise, and relatively large power requirements compared to fixed-wing aircraft. This book, written by an internationally recognized expert, provides a thorough, modern treatment of the aerodynamic principles of helicopters and other rotating-wing vertical lift aircraft. Every chapter is extensively illustrated and concludes with a bibliography and homework problems. Advanced undergraduate and graduate students, practising engineers, and researchers will welcome this thorough and up-to-date text on rotating-wing aerodynamics.

Dynamic Stall of Small Wind Systems

Author : Richard B. Noll
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Dynamic Stall of Small Wind Systems by : Richard B. Noll

Download or read book Dynamic Stall of Small Wind Systems written by Richard B. Noll and published by . This book was released on 1983 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

New Results in Numerical and Experimental Fluid Mechanics VIII

Author : Andreas Dillmann
Publisher : Springer Science & Business Media
ISBN 13 : 364235680X
Total Pages : 747 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis New Results in Numerical and Experimental Fluid Mechanics VIII by : Andreas Dillmann

Download or read book New Results in Numerical and Experimental Fluid Mechanics VIII written by Andreas Dillmann and published by Springer Science & Business Media. This book was released on 2012-12-27 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the contributions to the 17th Symposium of STAB (German Aerospace Aerodynamics Association). STAB includes German scientists and engineers from universities, research establishments and industry doing research and project work in numerical and experimental fluid mechanics and aerodynamics, mainly for aerospace but also for other applications. Many of the contributions collected in this book present results from national and European Community sponsored projects. This volume gives a broad overview of the ongoing work in this field in Germany and spans a wide range of topics: airplane aerodynamics, multidisciplinary optimization and new configurations, hypersonic flows and aerothermodynamics, flow control (drag reduction and laminar flow control), rotorcraft aerodynamics, aeroelasticity and structural dynamics, numerical simulation, experimental simulation and test techniques, aeroacoustics as well as the new fields of biomedical flows, convective flows, aerodynamics and acoustics of high-speed trains.

Applied mechanics reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA SP.

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Publisher :
ISBN 13 :
Total Pages : 654 pages
Book Rating : 4.:/5 (319 download)

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Download or read book NASA SP. written by and published by . This book was released on 1992 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (891 download)

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Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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Publisher :
ISBN 13 :
Total Pages : 1578 pages
Book Rating : 4.E/5 ( download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1995-12 with total page 1578 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Active Flow Control II

Author : Rudibert King
Publisher : Springer Science & Business Media
ISBN 13 : 364211735X
Total Pages : 417 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Active Flow Control II by : Rudibert King

Download or read book Active Flow Control II written by Rudibert King and published by Springer Science & Business Media. This book was released on 2010-04-06 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interest in the field of active flow control (AFC) is steadily increasing. In - cent years the number of conferences and special sessions devoted to AFC org- ized by various institutions around the world continuously rises. New advanced courses for AFC are offered by the American Institute of Aeronautics and Ast- nautics (AIAA), the European Research Community on Flow, Turbulence and Combustion (ERCOFTAC), the International Centre for Mechanical Sciences (CISM), the von Karman Institute for Fluid Dynamics (VKI), to name just a few. New books on AFC are published by prominent colleagues of our field and even a new periodical, the ‘International Journal of Flow Control’, appeared. Despite these many activities in AFC it was felt that a follow-up of the highly successful ‘ACTIVE FLOW CONTROL’ Conference held in Berlin in 2006 was appropriate. As in 2006, ‘ACTIVE FLOW CONTROL II’ consisted only of invited lectures. To sti- late multidisciplinary discussions between experimental, theoretical and numerical fluid dynamics, aerodynamics, turbomachinary, mathematics, control engineering, metrology and computer science parallel sessions were excluded. Unfortunately, not all of the presented papers made it into this volume. As the preparation and printing of a book takes time and as this volume should be available at the conf- ence, the Local Organizing Committee had to set up a very ambitious time sch- ule which could not be met by all contributors.