Hingeless Flow Control Over An Airfoil

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Hingeless Flow Control Over An Airfoil Via Distributed Actuation

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Author : Anmol Agrawal
language : en
Publisher:
Release Date : 2007

Hingeless Flow Control Over An Airfoil Via Distributed Actuation written by Anmol Agrawal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

An experimental investigation was undertaken to test the effectiveness of a novel design for controlling the aerodynamics of an airfoil. A synthetic jet actuator (SJA) was placed inside a NACA 0015 airfoil with its jet at 12.5% of the chord length, hereby referred to as the leading edge actuator. Four centrifugal fans across the span were mounted at 70%of the chord and the jet formed by them was located at 99% of the chord, hereby referred to as the trailing edge actuator. The effects of these actuators on the aerodynamic properties were studied, separately and then in conjunction, with varying angles of attack. The leading edge actuator delays the onset of stall up to 24 degrees, the maximum angle of attack that could be attained. The control of the aerodynamics was achieved by controlling the amount of separated region. There was no effect of the actuation at lower angles of attack. The trailing edge actuator provides aerodynamic control at both low and high angles of attack. The study investigated the effect of jet momentum coefficient on the aerodynamic properties for various angles of attack. The data obtained shows that lift control (in both positive and negative direction) was achieved even at low angles. The actuator enhances the aerodynamic properties by changing the pressure distribution as well as by delaying flow separation. Study of the combined actuation shows that the synthetic jet actuator was very effective in delaying stall when the trailing edge jet was ejected from the upper surface. For the case when the jet is ejected from the lower surface, there is less control. This can be accounted for by the difference in aerodynamic loading for both cases.

Hingeless Flow Control Over An Airfoil

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Author : Anmol Agrawal
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2011-07

Hingeless Flow Control Over An Airfoil written by Anmol Agrawal and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07 with categories.

An experimental investigation was undertaken to test the effectiveness of a novel design for controlling the aerodynamics of an airfoil. A synthetic jet actuator (SJA) was placed inside a NACA 0015 airfoil with its jet at 12.5% of the chord length, hereby referred to as the leading edge actuator. Four centrifugal fans across the span were mounted at 70% of the chord and the jet formed by them was located at 99% of the chord, hereby referred to as the trailing edge actuator. The effects of these actuators on the aerodynamic properties were studied, separately and then in conjunction, with varying angles of attack. The leading edge actuator delays the onset of stall up to 24 degrees, the maximum angle of attack that could be attained. The control of the aerodynamics was achieved by controlling the amount of separated region. There was no effect of the actuation at lower angles of attack. The trailing edge actuator provides aerodynamic control at both low and high angles of attack. The study investigated the effect of jet momentum coefficient on the aerodynamic properties for various angles of attack.

Computational Fluid Dynamics 2004

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Author : Clinton Groth
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-09-27

Computational Fluid Dynamics 2004 written by Clinton Groth and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-27 with Technology & Engineering categories.

Those interested in state of the art in computational fluid dynamics will find this publication a valuable source of reference. The contributions are drawn from The International Conference on Computational Fluid Dynamics (ICCFD) held in 2004. The conference is staged every two years and brings together physicists, mathematicians and engineers who review and share recent advances in mathematical and computational techniques for modeling fluid dynamics.

Flow Control Techniques And Applications

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Author : Jinjun Wang
language : en
Publisher: Cambridge University Press
Release Date : 2019

Flow Control Techniques And Applications written by Jinjun Wang and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Science categories.

Master the theory, applications and control mechanisms of flow control techniques.

Recent Progress In Flow Control For Practical Flows

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Author : Piotr Doerffer
language : en
Publisher: Springer
Release Date : 2017-05-11

Recent Progress In Flow Control For Practical Flows written by Piotr Doerffer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-11 with Technology & Engineering categories.

This book explores the outcomes on flow control research activities carried out within the framework of two EU-funded projects focused on training-through-research of Marie Sklodowska-Curie doctoral students. The main goal of the projects described in this monograph is to assess the potential of the passive- and active-flow control methods for reduction of fuel consumption by a helicopter. The research scope encompasses the fields of structural dynamics, fluid flow dynamics, and actuators with control. Research featured in this volume demonstrates an experimental and numerical approach with a strong emphasis on the verification and validation of numerical models. The book is ideal for engineers, students, and researchers interested in the multidisciplinary field of flow control.

41st Aiaa Aerospace Sciences Meeting Exhibit

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Author :
language : en
Publisher:
Release Date : 2003

41st Aiaa Aerospace Sciences Meeting Exhibit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Aeronautics categories.

New Results In Numerical And Experimental Fluid Mechanics Xiii

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Author : Andreas Dillmann
language : en
Publisher: Springer Nature
Release Date : 2021-07-13

New Results In Numerical And Experimental Fluid Mechanics Xiii written by Andreas Dillmann and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-13 with Technology & Engineering categories.

This book offers timely insights into research on numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications. It reports on findings by members of the STAB (German Aerospace Aerodynamics Association) and DGLR (German Society for Aeronautics and Astronautics) and covers both nationally and EC-funded projects. Continuing on the tradition of the previous volumes, the book highlights innovative solutions, promoting translation from fundamental research to industrial applications. It addresses academics and professionals in the field of aeronautics, astronautics, ground transportation, and energy alike.

Issues In Transportation Research And Application 2011 Edition

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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2012-01-09

Issues In Transportation Research And Application 2011 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-09 with Technology & Engineering categories.

Issues in Transportation Research and Application: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Transportation Research and Application. The editors have built Issues in Transportation Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Transportation Research and Application in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Transportation Research and Application: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Multi Resolution Methods For Modeling And Control Of Dynamical Systems

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Author : Puneet Singla
language : en
Publisher: CRC Press
Release Date : 2008-08-01

Multi Resolution Methods For Modeling And Control Of Dynamical Systems written by Puneet Singla and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-08-01 with Mathematics categories.

Unifying the most important methodology in this field, Multi-Resolution Methods for Modeling and Control of Dynamical Systems explores existing approximation methods as well as develops new ones for the approximate solution of large-scale dynamical system problems. It brings together a wide set of material from classical orthogonal function

Advanced Engineering And Technology

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Author : Liquan Xie
language : en
Publisher: CRC Press
Release Date : 2014-03-18

Advanced Engineering And Technology written by Liquan Xie and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-18 with Technology & Engineering categories.

Advanced Engineering and Technology contains 110 technical papers from the 2014 Annual Congress on Advanced Engineering and Technology (CAET 2014, Hong Kong, 19-20 April 2014, including the 4th Workshop on Applied Mechanics and Civil Engineering, AMCE 2014). The contributions focus on advanced theories and technologies related to building engineering, geotechnical engineering, road and bridge engineering, hydraulic engineering, environmental engineering, pollution and control, water resources and water treatment, mechanics in engineering, water and soil conservation, numerical software and applications, climate change and environmental dynamics, intelligent safety systems, chemistry, biochemical and food engineering, and modelling and data analysis. Advanced Engineering and Technology will be useful to academics and professionals involved in civil engineering, hydraulic engineering, environmental engineering, modelling & data analysis, chemistry and biochemical engineering, and other related fields.