Aerodynamics of Store Integration and Separation
Author: AGARD.
Publisher:
Published: 1996
Total Pages: 0
ISBN-13: 9789283600237
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Author: AGARD.
Publisher:
Published: 1996
Total Pages: 0
ISBN-13: 9789283600237
DOWNLOAD EBOOKAuthor: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel. Symposium
Publisher:
Published: 1996
Total Pages: 306
ISBN-13:
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Publisher:
Published: 1996
Total Pages: 296
ISBN-13:
DOWNLOAD EBOOKThe papers prepared for the AGARD Fluid Dynamics Panel (FDP) Symposium on 'Aerodynamics of Store Integration and Separation', which was held 24-27 April 1995 in Ankara, Turkey are contained in this Report. In addition, a Technical Evaluator's Report aimed at assessing the success of the Symposium in meeting its objectives, and an edited transcript of the General Discussion held at the end of the Symposium are also included. The aim of this symposium was to bring together engineers in the fields of theoretical and experimental aerodynamics, as applied to the store integration problem, to review and discuss the state of the art in the prediction, methodology and experimental techniques currently being developed and applied to the aerodynamics of store carriage and release and to assess new design concepts.
Author: F. Carroll Dougherty
Publisher:
Published: 1992
Total Pages: 40
ISBN-13:
DOWNLOAD EBOOKAuthor: Marina Gavrilova
Publisher: Springer Science & Business Media
Published: 2006-05-05
Total Pages: 1069
ISBN-13: 3540340793
DOWNLOAD EBOOKThe five-volume set LNCS 3980-3984 constitutes the refereed proceedings of the International Conference on Computational Science and Its Applications, ICCSA 2006. The volumes present a total of 664 papers organized according to the five major conference themes: computational methods, algorithms and applications high performance technical computing and networks advanced and emerging applications geometric modelling, graphics and visualization information systems and information technologies. This is Part V.
Author: K. S. Keen
Publisher:
Published: 1997
Total Pages: 122
ISBN-13:
DOWNLOAD EBOOKAn analytic study was conducted to evaluate anticipated ranges and required accuracies for onboard linear acceleration and angular rate (or acceleration) measurement equipment to be mounted within dynamically scaled wind tunnel drop models. Generic simulations of the separation motion of a tumbling fuel tank both at full scale and at 1/15th wind tunnel model scale were generated using an analytic trajectory simulation program coupled with a prescribed aerodynamic database. The simulations provide a basis for sizing the required instrumentation for proof of concept demonstrations of telemetry techniques in the wind tunnel. The simulations were also used as test cases to demonstrate extraction of aerodynamic information from drop data positions and orientations as read from film records via an inverse solution of the store equations of motion. The studies also aid identification and evaluation of inaccuracies associated with the basic dynamic scaling laws and standard film based data reduction techniques.
Author:
Publisher:
Published: 1992
Total Pages: 458
ISBN-13:
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Publisher:
Published: 1996-10
Total Pages: 696
ISBN-13:
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Publisher:
Published: 2000
Total Pages: 45
ISBN-13:
DOWNLOAD EBOOKIn the early days, store separation tests were conducted in a hit or miss fashion - the stores would he dropped from the aircraft at gradually increasing speeds until the store came close to or sometimes actually hit the aircraft. In some cases, this led to loss of the aircraft, and made some test pilots reluctant to participate in store separation flight test programs. During the 1960's, the Captive Trajectory System (CTS) method for store separation wind tunnel testing was developed. The CTS provided a considerable improvement over the hit or miss method, and became widely used in aircraft/store integration programs prior to flight-testing. However, since fairly small-scale models had to be used in the wind tunnel tests, in many cases, the wind tunnel predictions did not match the flight test results. No mechanism was then in place to resolve the wind tunnel/flight test discrepancies. During this same timeframe, Computational Fluid Dynamics (CFD) had finally matured to the point of providing a trajectory solution for a store in an aircraft flowfield. However, Since the computational tools were necessarily (due to computer resource limitations) limited to linear techniques, and since most store separation problems occur at transonic speeds, these tools had limited application. Recent advances in computer resources have greatly improved the capability of CFD to predict store release characteristics. Instead of using linear or approximate schemes, time dependent Euler and Navier Stokes trajectories could he computed in a reasonable timeframe. Three international CFD challenges, held during the last decade of the 20th century, have shown that CFD cannot only match wind tunnel test data, but also predict flight test trajectories for complex stores at transonic speeds. It appears that CFD has matured to the point that it can be usefully integrated into aircraft/store compatibility programs.
Author: Ernst Heinrich Hirschel
Publisher: Springer Science & Business Media
Published: 2009-05-19
Total Pages: 507
ISBN-13: 3540708057
DOWNLOAD EBOOKIn a book that will be required reading for engineers, physicists, and computer scientists, the editors have collated a number of articles on fluid mechanics, written by some of the world’s leading researchers and practitioners in this important subject area.