Scale Effects On Aircraft And Weapon Aerodynamics
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Scale Effects On Aircraft And Weapon Aerodynamics
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Author : A. B. Haines
language : en
Publisher:
Release Date : 1994
Scale Effects On Aircraft And Weapon Aerodynamics written by A. B. Haines and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aerodynamics categories.
Scale Effects On Aircraft And Weapon Aerodynamics Les Effets D Echelle Et L Aerodynamique Des Aeronefs Et Des Systemes D Armes
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Author :
language : en
Publisher:
Release Date : 1994
Scale Effects On Aircraft And Weapon Aerodynamics Les Effets D Echelle Et L Aerodynamique Des Aeronefs Et Des Systemes D Armes 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.
The present state of knowledge on scale effects at high lift and low speeds, at transonic speeds, and on aircraft drag are presented. In addition, scale effects in various important specific scale-sensitive areas such as forebody vortex flows, the flow in and near open cavities, the flow into an air intake, the flow over propellers, and on ice accretion simulation testing are discussed. The emphasis is on scale effects that have been observed in flight-tunnel comparisons for specific aircraft. It is concluded that much has been learned about scale effects: however, precise prediction can still be difficult. Twenty recommendations for further research are mentioned. This AGARDograph has been produced at the request of the Fluid Dynamics Panel of AGARD.
Aerodynamic Scale Effects On A Transport Aircraft Model At High Subsonic Speed
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Author : K. C. Hackett
language : en
Publisher:
Release Date : 1999
Aerodynamic Scale Effects On A Transport Aircraft Model At High Subsonic Speed written by K. C. Hackett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Aerodynamics Of The Model Airplane Airfoil Measurements
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Author : Franz Wilhelm Schmitz
language : en
Publisher:
Release Date : 1967
Aerodynamics Of The Model Airplane Airfoil Measurements written by Franz Wilhelm Schmitz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Aerodynamics categories.
Tradeoffs Among Weapon Aerodynamic Stability Trajectory Perturbations And F 4 Aircraft Performance
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Author : John L. Holmberg
language : en
Publisher:
Release Date : 1973
Tradeoffs Among Weapon Aerodynamic Stability Trajectory Perturbations And F 4 Aircraft Performance written by John L. Holmberg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
A series of three wind tunnel tests was conducted to determine the tradeoffs and interdependencies among weapon free stream aerodynamic characteristics, delivery aircraft performance degradation, and weapon separation trajectory perturbations. The weapon configurations tested were composed of one of three nose fairings, one of four tail assemblies, and the 800 pound general purpose warhead proposed for the Modular Weapon Series of munitions. The performance degradation was evaluated, using data from a 5% scale model of the F-4C aircraft carrying 11 weapons on inboard triple ejector racks and on a centerline multiple ejector rack, with 370 gallon fuel tanks outboard. Captive trajectories were initiated from all three positions on an inboard triple ejector rack of the F-4C model to determine the effects of nose and tail geometry on initial weapon perturbations. Limited flight test and analytically predicted trajectory data were also collected and compared to the wind tunnel results. In each wind tunnel test, data were recorded over a range of Mach numbers from 0.6 to 1.2 with Reynolds numbers on the order of 2 to 5 million per foot. Results of these tests revealed that relatively large differences in weapon free stream aerodynamic characteristics had little effect on delivery aircraft performance. The proper selection of weapon configuration did reduce perturbations in separation trajectories. However, the mutual aerodynamic interference resulting from carrrying weapons in close proximity to one another and the effects of Mach number on the strength of that interference were found to be of much greater significance than variations in the weapon geometries investigated. (Author).
Aerodynamic Interference Effects On Various Weapon Shapes In The Flow Field Of A Transonic Wing Configuration At Mach Numbers From 0 5 To 1 3
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Author : G. R. Mattasits
language : en
Publisher:
Release Date : 1975
Aerodynamic Interference Effects On Various Weapon Shapes In The Flow Field Of A Transonic Wing Configuration At Mach Numbers From 0 5 To 1 3 written by G. R. Mattasits and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Aerodynamic load categories.
Tests were conducted in the Aerodynamic Wind Tunnel (4T) to evaluate the validity of weapon aerodynamics acquired from theoretical calculations which employed mathematical models to simulate actual test hardware and to assess the problems encountered during the separation of various weapon shapes, at transonic flight conditions, from the number one TER position. The data will also be used to aid in the development of a mathematical method for predicting store separation characteristics. Data were obtained at Mach numbers from 0.5 to 1.3. Force and pressure distribution measurements were obtained to assess the influence of angle of attack and both linear and angular store displacements from the carriage position. Store models were separated from a TER mounted on the inboard pylon of a half-span wing similar in planform to the wing of the F-4 aircraft. Data were obtained on 0.10-scale models of the M-117 and maximum volume bombs. Test results showed that large nose-down pitching-moment coefficients were encountered by all store models at the number one TER carriage position. Complete separation trajectories were obtained only at a Mach number of 0.5 for all 16-in.-diam store models. Decreasing store model diameter increased the maximum Mach number at which complete trajectories were obtained. (Author).
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.
Correlation Of Aerodynamic Stability And Control Derivatives Obtained From Flight Tests And Wind Tunnel Tests On The Xc 142a Airplane
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Author : Ernest L. Black
language : en
Publisher:
Release Date : 1969
Correlation Of Aerodynamic Stability And Control Derivatives Obtained From Flight Tests And Wind Tunnel Tests On The Xc 142a Airplane written by Ernest L. Black and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Aerodynamics categories.
Aerodynamic Interference Effects On Various Weapon Shapes In The Flow Field Of A Transonic Wing Configuration At Mach Numbers From 0 5 To 1 3
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Author :
language : en
Publisher:
Release Date : 1975
Aerodynamic Interference Effects On Various Weapon Shapes In The Flow Field Of A Transonic Wing Configuration At Mach Numbers From 0 5 To 1 3 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.
Tests were conducted in the Aerodynamic Wind Tunnel (4T) to evaluate the validity of weapon aerodynamics acquired from theoretical calculations which employed mathematical models to simulate actual test hardware and to assess the problems encountered during the separation of various weapon shapes, at transonic flight conditions, from the number one TER position. The data will also be used to aid in the development of a mathematical method for predicting store separation characteristics. Data were obtained at Mach numbers from 0.5 to 1.3. Force and pressure distribution measurements were obtained to assess the influence of angle of attack and both linear and angular store displacements from the carriage position. Store models were separated from a TER mounted on the inboard pylon of a half-span wing similar in planform to the wing of the F-4 aircraft. Data were obtained on 0.10-scale models of the M-117 and maximum volume bombs. Test results showed that large nose-down pitching-moment coefficients were encountered by all store models at the number one TER carriage position. Complete separation trajectories were obtained only at a Mach number of 0.5 for all 16-in.-diam store models. Decreasing store model diameter increased the maximum Mach number at which complete trajectories were obtained. (Author).
Aerodynamic Interference Effects On Various Weapon Shapes In The Flow Field Of A Transonic Wing Configuration At Mach Numbers From 0 5 To 1 3
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Author :
language : en
Publisher:
Release Date : 1975
Aerodynamic Interference Effects On Various Weapon Shapes In The Flow Field Of A Transonic Wing Configuration At Mach Numbers From 0 5 To 1 3 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.
Tests were conducted in the Aerodynamic Wind Tunnel (4T) to evaluate the validity of weapon aerodynamics acquired from theoretical calculations which employed mathematical models to simulate actual test hardware and to assess the problems encountered during the separation of various weapon shapes, at transonic flight conditions, from the number one TER position. The data will also be used to aid in the development of a mathematical method for predicting store separation characteristics. Data were obtained at Mach numbers from 0.5 to 1.3. Force and pressure distribution measurements were obtained to assess the influence of angle of attack and both linear and angular store displacements from the carriage position. Store models were separated from a TER mounted on the inboard pylon of a half-span wing similar in planform to the wing of the F-4 aircraft. Data were obtained on 0.10-scale models of the M-117 and maximum volume bombs. Test results showed that large nose-down pitching-moment coefficients were encountered by all store models at the number one TER carriage position. Complete separation trajectories were obtained only at a Mach number of 0.5 for all 16-in.-diam store models. Decreasing store model diameter increased the maximum Mach number at which complete trajectories were obtained. (Author).