Wind Tunnel Wall Interference
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| Author | : B. F. R. Ewald |
| Publisher | : |
| Total Pages | : 578 |
| Release | : 1998 |
| Genre | : Aerodynamics |
| ISBN | : |
Download Wind Tunnel Wall Correction Book in PDF, Epub and Kindle
This report was compiled by an international team of wind tunnel wall correction experts. It presents the present state of the art in wind tunnel wall corrections with a special emphasis given to the description of modern wall correction methods based on Computational Fluid Dynamics. This AGARDograph was planned by the AGARD Fluid Dynamics Panel to be a modern sequel of the successful AGARDograph 109 "Subsonic Wind Tunnel Wall Corrections", which was published in 1966. AGARDogaph 109 is still valid and continues to be used to provide wall corrections in many wind tunnels. Nevertheless, in the thirty two years since the publication of AGARDograph 109, much work has been done on the subject, and the influence of the new tool of numerical fluid dynamics was so strong, that a sequel to AGARDograph 109 was considered to be necessary.
| Author | : Barrett Stone Baldwin |
| Publisher | : |
| Total Pages | : 46 |
| Release | : 1953 |
| Genre | : Aeronautics |
| ISBN | : |
Download Wall Interference in Wind Tunnels with Slotted and Porous Boundaries at Subsonic Speeds Book in PDF, Epub and Kindle
Linearized compressible-flow analysis is applied to the study of wind-tunnel-wall interference for subsonic flow in either two-dimensional or circular test sections having slotted or porous walls. Expressions are developed for evaluating blockage and lift interference.
| Author | : Marie H. Tuttle |
| Publisher | : |
| Total Pages | : 96 |
| Release | : 1988 |
| Genre | : Interference (Aerodynamics) |
| ISBN | : |
Download Wind Tunnel Wall Interference (January 1980-May 1988) Book in PDF, Epub and Kindle
| Author | : Wendy B. Lessard |
| Publisher | : |
| Total Pages | : 48 |
| Release | : 2000 |
| Genre | : Aerodynamics, Supersonic |
| ISBN | : |
Download Analysis of Post-support and Wind-tunnel Wall Interference on Flow Field about Subsonic High-lift High-speed Research Configuration Book in PDF, Epub and Kindle
The present study was performed to determine how significant the interference effects of the wind-tunnel model support system and tunnel walls can be for a high-speed configuration during takeoff and landing conditions. A 5-percent scale model of the Technology Concept Airplane was recently tested in the Langley 14- by 22-Foot Subsonic Tunnel. The model was numerically modeled with and without the support and tunnel walls and compared with experimental data. Detailed analysis of the flow provided additional insight concerning what effects the postsupport and tunnel walls had on the flow field. This study revealed that although the overall forces and moments could be experimentally accounted for, the detailed flow features, such as the surface pressure distributions, could not be accurately simulated without including the post in the computations.
| Author | : M. Mokry |
| Publisher | : |
| Total Pages | : 186 |
| Release | : 1983 |
| Genre | : Aerodynamics |
| ISBN | : 9789283514633 |
Download Two-dimensional Wind Tunnel Wall Interference Book in PDF, Epub and Kindle
A description and analysis is presented of the more important developments during the past decade in the understanding of the wall interference problem associated with two-dimensional wind tunnel testing at subsonic and transonic speeds. Discussed are: wall boundary conditions; asymptotic analysis of wall interference; classical and extended wall interference theories; wall interference corrections from boundary measurements; integral equation formulation of subcritical wall interference; and effects of side wall boundary layer on two-dimensional tests. Unsteady wall interference at subsonic flow conditions is reviewed. Recent advances in the adaptive wall technique, which actively reduces or eliminates wall interference, are also described. (Author).
| Author | : Samuel Bernstein |
| Publisher | : |
| Total Pages | : 68 |
| Release | : 1976 |
| Genre | : Wind tunnel walls |
| ISBN | : |
Download Reduction of Wind-tunnel Wall Interference by Controlled Wall Flow Book in PDF, Epub and Kindle
| Author | : Marie H. Tuttle |
| Publisher | : |
| Total Pages | : 58 |
| Release | : 1986 |
| Genre | : Interference (Aerodynamics) |
| ISBN | : |
Download Wind Tunnel Wall Interference in V/STOL and High Lift Testing Book in PDF, Epub and Kindle
| Author | : Harry H. Heyson |
| Publisher | : |
| Total Pages | : 236 |
| Release | : 1974 |
| Genre | : Airplanes |
| ISBN | : |
Download The Effect of Wind-tunnel Wall Interference on the Performance of a Fan-in-wing VTOL Model Book in PDF, Epub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1983 |
| Genre | : |
| ISBN | : |
Download Two-dimensional Wind Tunnel Wall Interference Book in PDF, Epub and Kindle
| Author | : Travis W. Binion |
| Publisher | : |
| Total Pages | : 72 |
| Release | : 1971 |
| Genre | : Short take-off and landing aircraft |
| ISBN | : |
Download An Investigation of Several Slotted Wind Tunnel Wall Configurations with a High Disk Loading V/STOL Model Book in PDF, Epub and Kindle
The investigation reported herein is the experimental portion of a unified theoretical and experimental search for a slotted wind tunnel wall configuration with minimal interference for conventional and V/STOL models. It is shown that theory and experiment are in excellent agreement for the classical case provided an appropriate expression is used to relate the wall geometry to the boundary condition. Classical data correction equations are not appropriate for the V/STOL case, however. An additional term, not predicted by theory, is needed to account for changes in the jet wake. Geometric parameters which influence the wall interference quantities are indicated. Wall configurations are shown which will produce interference-free force data to a jet-to-free-stream velocity ratio of 4.5. (Author).
