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A Wall Interference Assessment/Correction System

National Aeronautics and Space Administration
4.9/5 (13599 ratings)
Read Now Download Now ⏭ listen AudioBook
Description:A Wall Signature method originally developed by Hackett has been selected to be adapted for the Ames 12-ft Wind Tunnel WIAC system in the project. This method uses limited measurements of the static pressure at the wall, in conjunction with the solid wall boundary condition, to determine the strength and distribution of singularities representing the test article. The singularities are used in turn for estimating blockage wall interference. The lifting interference will be treated separately by representing in a horseshoe vortex system for the model's lifting effects. The development and implementation of a working prototype will be completed, delivered and documented with a software manual. The WIAC code will be validated by conducting numerically simulated experiments rather than actual wind tunnel experiments. The simulations will be used to generate both free-air and confined wind-tunnel flow fields for each of the test articles over a range of test configurations. Specifically, the pressure signature at the test section wall will be computed for the tunnel case to provide the simulated 'measured' data. These data will serve as the input for the WIAC method--Wall Signature method. The performance of the WIAC method then may be evaluated by comparing the corrected data with those of the free-air simulation. Lo, Ching F. and Overby, Glenn and Qian, Cathy X. and Sickles, W. L. and Ulbrich, N. Unspecified Center NASA-CR-191889, NAS 1.26:191889 NAG2-733...We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with A Wall Interference Assessment/Correction System. To get started finding A Wall Interference Assessment/Correction System, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.
Pages
40
Format
PDF, EPUB & Kindle Edition
Publisher
Createspace Independent Publishing Platform
Release
2018
ISBN
1725058332

A Wall Interference Assessment/Correction System

National Aeronautics and Space Administration
4.4/5 (1290744 ratings)
Read Now Download now ⏭ listen AudioBook
Description: A Wall Signature method originally developed by Hackett has been selected to be adapted for the Ames 12-ft Wind Tunnel WIAC system in the project. This method uses limited measurements of the static pressure at the wall, in conjunction with the solid wall boundary condition, to determine the strength and distribution of singularities representing the test article. The singularities are used in turn for estimating blockage wall interference. The lifting interference will be treated separately by representing in a horseshoe vortex system for the model's lifting effects. The development and implementation of a working prototype will be completed, delivered and documented with a software manual. The WIAC code will be validated by conducting numerically simulated experiments rather than actual wind tunnel experiments. The simulations will be used to generate both free-air and confined wind-tunnel flow fields for each of the test articles over a range of test configurations. Specifically, the pressure signature at the test section wall will be computed for the tunnel case to provide the simulated 'measured' data. These data will serve as the input for the WIAC method--Wall Signature method. The performance of the WIAC method then may be evaluated by comparing the corrected data with those of the free-air simulation. Lo, Ching F. and Overby, Glenn and Qian, Cathy X. and Sickles, W. L. and Ulbrich, N. Unspecified Center NASA-CR-191889, NAS 1.26:191889 NAG2-733...We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with A Wall Interference Assessment/Correction System. To get started finding A Wall Interference Assessment/Correction System, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.
Pages
40
Format
PDF, EPUB & Kindle Edition
Publisher
Createspace Independent Publishing Platform
Release
2018
ISBN
1725058332

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