Gust Loads On Aircraft
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Gust Loads On Aircraft
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Author : Frederic M. Hoblit
language : en
Publisher: AIAA
Release Date : 1988
Gust Loads On Aircraft written by Frederic M. Hoblit and has been published by AIAA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Airplanes categories.
A Flight Investigation Of The Effects Of Compressibility On Applied Gust Loads
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Author : Earle T. Binckley
language : en
Publisher:
Release Date : 1949
A Flight Investigation Of The Effects Of Compressibility On Applied Gust Loads written by Earle T. Binckley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Airplanes categories.
Two jet-propelled airplanes were flow at different speeds in rough air to investigate the effects of compressibility on applied gust loads at Mach numbers up to 0.68. The results indicated that no compressibility correction to the slope of the lift curve was necessary.
Structural Loads Analysis
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Author : Ted L. Lomax
language : en
Publisher: AIAA
Release Date : 1996
Structural Loads Analysis written by Ted L. Lomax and has been published by AIAA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Airframes categories.
Dynamics Of Ultralight Aircraft Motion In Vertical Gusts
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Author : Robert T. Jones
language : en
Publisher:
Release Date : 1977
Dynamics Of Ultralight Aircraft Motion In Vertical Gusts written by Robert T. Jones and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Response Of The Alliance 1 Proof Of Concept Airplane Under Gust Loads
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-27
Response Of The Alliance 1 Proof Of Concept Airplane Under Gust Loads 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 2018-06-27 with categories.
This report presents the work performed by Lockheed Martin's Langley Program Office in support of NASA's Environmental Research Aircraft and Sensor Technology (ERAST) program. The primary purpose of this work was to develop and demonstrate a gust analysis method which accounts for the span-wise variation of gust velocity. This is important because these unmanned aircraft having high aspect ratios and low wing loading are very flexible, and fly at low speeds. The main focus of the work was therefore to perform a two-dimensional Power Spectrum Density (PSD) analysis of the Alliance 1 Proof-of-Concept Unmanned Aircraft, As of this writing, none of the aircraft described in this report have been constructed. They are concepts represented by analytical models. The process first involved the development of suitable structural and aeroelastic Finite Element Models (FEM). This was followed by development of a one-dimensional PSD gust analysis, and then the two-dimensional (PSD) analysis of the Alliance 1. For further validation and comparison, two additional analyses were performed. A two-dimensional PSD gust analysis was performed on a simplet MSC/NASTRAN example problem. Finally a one-dimensional discrete gust analysis was performed on Alliance 1. This report describes this process, shows the relevant comparisons between analytical methods, and discusses the physical meanings of the results. Naser, A. S. and Pototzky, A. S. and Spain, C. V. Langley Research Center NAS1-96014; RTOP 710-10-11
Gust Loads On Comet Aircraft
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Author : I. W. Kaynes
language : en
Publisher:
Release Date : 1973
Gust Loads On Comet Aircraft written by I. W. Kaynes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Comet (Jet transports) categories.
Measurements And Analysis Of The Motion Of A Canard Airplane Model In Gusts
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Author : Philip Donely
language : en
Publisher:
Release Date : 1940
Measurements And Analysis Of The Motion Of A Canard Airplane Model In Gusts written by Philip Donely and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1940 with Airplanes categories.
A model of a hypothetical canard airplane, which was designed to be of the same size and general aerodynamic characteristics as a Boeing B-247 airplane, was tested in the N.A.C.A. gust tunnel at one wing loading, one forward speed, one gust velocity, and three gust gradients. The purpose of these tests was to determine the reactions of the model and to compare them with the results of unpublished tests on an equivalent model of the Boeing B-247 airplane.
Flight Investigation Of Some Effects Of A Vane Controlled Gust Alleviation System On The Wing And Tail Loads Fo A Transport Airplane
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Author : Russell L. Schott
language : en
Publisher:
Release Date : 1961
Flight Investigation Of Some Effects Of A Vane Controlled Gust Alleviation System On The Wing And Tail Loads Fo A Transport Airplane written by Russell L. Schott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Aerodynamics categories.
An Experimental Investigation Of The Normal Acceleration Of An Airplane Model In A Gust
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Author : Philip Donely
language : en
Publisher:
Release Date : 1939
An Experimental Investigation Of The Normal Acceleration Of An Airplane Model In A Gust written by Philip Donely and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1939 with Acceleration (Mechanics) categories.
The investigation also shows that the value of maximum lift coefficient for steady flow does not limit the acceleration increment in a gust.
A Flight Investigation Of An Automatic Gust Alleviation System In A Transport Airplane
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Author : Paul A. Hunter
language : en
Publisher:
Release Date : 1961
A Flight Investigation Of An Automatic Gust Alleviation System In A Transport Airplane written by Paul A. Hunter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.
A flight investigation has been conducted of an automatic gust-alleviation system designed primarily to improve riding comfort in rough air. The gusts were sensed by a vane located on a boom ahead of the airplane. The wing flags moved in response to the vane in such a way as to counteract the change in wing lift due to the gust and a portion of the elevator moved to counteract pitching moments due to flap deflection. In the final configurations, inboard portions of the wing flaps also moved in such a way as to counteract the change in angle of attack at the tail due to the gust. The result indicate alleviation of normal acceleration of up to about 60 percent at the natural frequency of the airplane (0.6 cycle per second) and about 40 percent at 2 cycles per second. A further increase in riding comfort was achieved by a simultaneous alleviation of pitching velocity. For this particular airplane, gusts having frequencies greater than 1.5 cycles per second at a speed of 130 knots had little effect on riding comfort. Brief tests were also made of a configuration intended for reducing structural loads and of a configuration utilizing an accelerometer as the gust sensor. The gust alleviation capabilities of these configurations were somewhat less than that of the optimum configuration with vane-type gust sensor.