Roll Yaw Control At High Angle Of Attack By Forebody Tangential Blowing
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Roll Yaw Control At High Angle Of Attack By Forebody Tangential Blowing
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Author : Nelson Pedreiro
language : en
Publisher:
Release Date : 1995
Roll Yaw Control At High Angle Of Attack By Forebody Tangential Blowing written by Nelson Pedreiro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aerodynamics categories.
Roll Yaw Control At High Angle Of Attack By Forebody Tangential Blowing
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-13
Roll Yaw Control At High Angle Of Attack By Forebody Tangential Blowing written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-13 with categories.
The feasibility of using forebody tangential blowing to control the roll-yaw motion of a wind tunnel model is experimentally demonstrated. An unsteady model of the aerodynamics is developed based on the fundamental physics of the flow. Data from dynamic experiments is used to validate the aerodynamic model. A unique apparatus is designed and built that allows the wind tunnel model two degrees of freedom, roll and yaw. Dynamic experiments conducted at 45 degrees angle of attack reveal the system to be unstable. The natural motion is divergent. The aerodynamic model is incorporated into the equations of motion of the system and used for the design of closed loop control laws that make the system stable. These laws are proven through dynamic experiments in the wind tunnel using blowing as the only actuator. It is shown that asymmetric blowing is a highly non-linear effector that can be linearized by superimposing symmetric blowing. The effects of forebody tangential blowing and roll and yaw angles on the flow structure are determined through flow visualization experiments. The transient response of roll and yaw moments to a step input blowing are determined. Differences on the roll and yaw moment dependence on blowing are explained based on the physics of the phenomena. Pedreiro, N. and Rock, S. M. and Celik, Z. Z. and Roberts, L. Ames Research Center...
Experiments In Aircraft Roll Yaw Control Using Forebody Tangential Blowing
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Author : Nelson Pedreiro
language : en
Publisher:
Release Date : 1997
Experiments In Aircraft Roll Yaw Control Using Forebody Tangential Blowing written by Nelson Pedreiro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Flight control categories.
Forebody Tangential Blowing For Control At High Angles Of Attack
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-03
Forebody Tangential Blowing For Control At High Angles Of Attack written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-03 with categories.
A feasibility study to determine if the use of tangential leading edge blowing over the forebody could produce effective and practical control of the F-18 HARV aircraft at high angles of attack was conducted. A simplified model of the F-18 configuration using a vortex-lattice model was developed to obtain a better understanding of basic aerodynamic coupling effects and the influence of forebody circulation on lifting surface behavior. The effect of tangential blowing was estimated using existing wind tunnel data on normal forebody blowing and analytical studies of tangential blowing over conical forebodies. Incorporation of forebody blowing into the flight control system was investigated by adding this additional yaw control and sideforce generating actuator into the existing F-18 HARV simulation model. A control law was synthesized using LQG design methods that would schedule blowing rates as a function of vehicle sideslip, angle of attack, and roll and yaw rates. Kroo, I. and Rock, S. and Roberts, L. Unspecified Center NCC2-55...
Numerical Analysis Of Tangential Slot Blowing On A Generic Chined Forebody
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Author :
language : en
Publisher:
Release Date : 1994
Numerical Analysis Of Tangential Slot Blowing On A Generic Chined Forebody written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
A Method For Integrating Thrust Vectoring And Actuated Forebody Strakes With Conventional Aerodynamic Controls On A High Performance Fighter Airplane
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Author : Frederick J. Lallman
language : en
Publisher:
Release Date : 1998
A Method For Integrating Thrust Vectoring And Actuated Forebody Strakes With Conventional Aerodynamic Controls On A High Performance Fighter Airplane written by Frederick J. Lallman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Airplanes categories.
International Aerospace Abstracts
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Author :
language : en
Publisher:
Release Date : 1998
International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Aeronautics categories.
Applied Mechanics Reviews
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Author :
language : en
Publisher:
Release Date : 1996
Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Mechanics, Applied categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Aiaa Ahs Asee Aerospace Design Conference 93 1001 93 1049
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Author :
language : en
Publisher:
Release Date : 1993
Aiaa Ahs Asee Aerospace Design Conference 93 1001 93 1049 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aeronautics categories.