Improved Wind Tunnel Data Reduction Procedure

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Improved Wind Tunnel Data Reduction Procedure

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Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (455 download)

Book Synopsis Improved Wind Tunnel Data Reduction Procedure by :

Download or read book Improved Wind Tunnel Data Reduction Procedure written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project examines the motion and aerodynamic data associated with dynamic wind tunnel tests. Historically, the aerodynamic data measured with dynamic testing has not correlated well with actual flight data, and in general has not been used in system simulations for aircrew training or flight analysis. An improved data reduction method is presented to extract signal data from dynamic tests. The reduction method applies a Fourier series approximation fit to oscillatory data, and a linear regression fit to steady state data. Both methods provide good signal extraction and data smoothing. Additionally, the report documents methods and equations developed by Juri Kalviste for the handling, analysis, and simulation of dynamic data. A prototype software program has been developed to exercise the reduction methods. The program uses a new modeling architecture that enables rapid, seamless incorporation of alternative reduction or aerodynamic modeling methods.

Improved wind tunnel testing and data reduction methods using a magnetic suspension system

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Author : Talat Abdel-Gawad Diab
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)

Book Synopsis Improved wind tunnel testing and data reduction methods using a magnetic suspension system by : Talat Abdel-Gawad Diab

Download or read book Improved wind tunnel testing and data reduction methods using a magnetic suspension system written by Talat Abdel-Gawad Diab and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of Wind-tunnel Dynamic Stability Testing Methods and Data Reduction

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Author : Rodman N. Leach
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Analysis of Wind-tunnel Dynamic Stability Testing Methods and Data Reduction by : Rodman N. Leach

Download or read book Analysis of Wind-tunnel Dynamic Stability Testing Methods and Data Reduction written by Rodman N. Leach and published by . This book was released on 1958 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The method of data reduction employed for dynamic stability wind-tunnel tests is discussed and suggestions to improve the quality of the data are made.

The Prediction of Errors and the Improvement of Data Obtained in Wind-tunnel Heat-transfer Tests

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Author : Donald M. Wilson
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis The Prediction of Errors and the Improvement of Data Obtained in Wind-tunnel Heat-transfer Tests by : Donald M. Wilson

Download or read book The Prediction of Errors and the Improvement of Data Obtained in Wind-tunnel Heat-transfer Tests written by Donald M. Wilson and published by . This book was released on 1970 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The measurement of heat-transfer data in a high-speed wind tunnel is considered in detail. The analysis is restricted to tests where transient temperature measurements are made by thermocouples attached to the back face of a thin-walled model. Methods of estimating the error in obtaining a heat-transfer coefficient due to extraneous heat-transfer rates or the choice of a data-reduction method are presented. The error caused by the presence of a thermocouple in a thin wall was found experimentally. Methods of improving heat-transfer data, including the Thomas-Fitzsimmons conduction correction method, are discussed. (Author).

Program Solicitation

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Author :
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.E/5 ( download)

Book Synopsis Program Solicitation by :

Download or read book Program Solicitation written by and published by . This book was released on 1995 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Wind Tunnel Free-flight Data-reduction Program for Either Spinning Or Non Spinning Models Utilizing Data from a Single Plane

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Author : Charles Eugene Knadler
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis A Wind Tunnel Free-flight Data-reduction Program for Either Spinning Or Non Spinning Models Utilizing Data from a Single Plane by : Charles Eugene Knadler

Download or read book A Wind Tunnel Free-flight Data-reduction Program for Either Spinning Or Non Spinning Models Utilizing Data from a Single Plane written by Charles Eugene Knadler and published by . This book was released on 1968 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes PLANAR, a data-reduction program for wind tunnel free-flight tests which utilizes data from a single plane. The program calculates moment, force and, in the case of a spinning model, Magnus coefficients. The program is written for an IBM 7090 computer operating under the IBSYS monitor. The mathematical formulation of the problem and the computer program are presented. The program description includes a FORTRAN listing and instructions for its use. (Author).

Wind Tunnels and Experimental Fluid Dynamics Research

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Author : Jorge Colman Lerner
Publisher : BoD – Books on Demand
ISBN 13 : 9533076232
Total Pages : 728 pages
Book Rating : 4.5/5 (33 download)

Book Synopsis Wind Tunnels and Experimental Fluid Dynamics Research by : Jorge Colman Lerner

Download or read book Wind Tunnels and Experimental Fluid Dynamics Research written by Jorge Colman Lerner and published by BoD – Books on Demand. This book was released on 2011-07-27 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book "Wind Tunnels and Experimental Fluid Dynamics Research" is comprised of 33 chapters divided in five sections. The first 12 chapters discuss wind tunnel facilities and experiments in incompressible flow, while the next seven chapters deal with building dynamics, flow control and fluid mechanics. Third section of the book is dedicated to chapters discussing aerodynamic field measurements and real full scale analysis (chapters 20-22). Chapters in the last two sections deal with turbulent structure analysis (chapters 23-25) and wind tunnels in compressible flow (chapters 26-33). Contributions from a large number of international experts make this publication a highly valuable resource in wind tunnels and fluid dynamics field of research.

Investigation of Correction Methods for Interference Effects in Open-Jet Wind Tunnels

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Author : Oliver Fischer
Publisher : Springer
ISBN 13 : 3658213795
Total Pages : 167 pages
Book Rating : 4.6/5 (582 download)

Book Synopsis Investigation of Correction Methods for Interference Effects in Open-Jet Wind Tunnels by : Oliver Fischer

Download or read book Investigation of Correction Methods for Interference Effects in Open-Jet Wind Tunnels written by Oliver Fischer and published by Springer. This book was released on 2018-03-13 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oliver Fischer analyzes the interference effects occurring in free-stream wind tunnels as well as their correction and simulation. With this work, the investigated correction method and the comparability of its results as well as flow simulation results are improved. The model wind tunnel of the IVK, University of Stuttgart, is simulated in various wind tunnel configurations. The application of a correction procedure to the corresponding experimental data from the model wind tunnel of the IVK is examined. These correction results are directly comparable with interference-free simulation results and thus allow a conclusion on the functionality of the correction method. Based on these findings, this thesis proposes a modification of the correction method that improves the comparability of corrected experimental results and CFD simulations in idealized test conditions. About the Author Oliver Fischer works as an engineer in aerodynamics development for a renowned German automobile manufacturer.

AUTOMATIC REDUCTION OF WIND TUNNEL DATA

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Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis AUTOMATIC REDUCTION OF WIND TUNNEL DATA by :

Download or read book AUTOMATIC REDUCTION OF WIND TUNNEL DATA written by and published by . This book was released on 1951 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Implementation of New Wind Tunnel Data Reduction Techniques at the AEDC

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Author : David M. Cahill
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

Book Synopsis Implementation of New Wind Tunnel Data Reduction Techniques at the AEDC by : David M. Cahill

Download or read book Implementation of New Wind Tunnel Data Reduction Techniques at the AEDC written by David M. Cahill and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low-Speed Wind Tunnel Testing

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Author : Jewel B. Barlow
Publisher : John Wiley & Sons
ISBN 13 : 0471557749
Total Pages : 738 pages
Book Rating : 4.4/5 (715 download)

Book Synopsis Low-Speed Wind Tunnel Testing by : Jewel B. Barlow

Download or read book Low-Speed Wind Tunnel Testing written by Jewel B. Barlow and published by John Wiley & Sons. This book was released on 1999-02-22 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brand-new edition of the classic guide on low-speed wind tunnel testing While great advances in theoretical and computational methods have been made in recent years, low-speed wind tunnel testing remains essential for obtaining the full range of data needed to guide detailed design decisions for many practical engineering problems. This long-awaited Third Edition of William H. Rae, Jr.'s landmark reference brings together essential information on all aspects of low-speed wind tunnel design, analysis, testing, and instrumentation in one easy-to-use resource. Written by authors who are among the most respected wind tunnel engineers in the world, this edition has been updated to address current topics and applications, and includes coverage of digital electronics, new instrumentation, video and photographic methods, pressure-sensitive paint, and liquid crystal-based measurement methods. The book is organized for quick access to topics of interest, and examines basic test techniques and objectives of modeling and testing aircraft designs in low-speed wind tunnels, as well as applications to fluid motion analysis, automobiles, marine vessels, buildings, bridges, and other structures subject to wind loading. Supplemented with real-world examples throughout, Low-Speed Wind Tunnel Testing, Third Edition is an indispensable resource for aerospace engineering students and professionals, engineers and researchers in the automotive industries, wind tunnel designers, architects, and others who need to get the most from low-speed wind tunnel technology and experiments in their work.

Improving Wind Tunnel Test Processes with Modern Data Systems

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Author : Chuck Reynolds
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

Book Synopsis Improving Wind Tunnel Test Processes with Modern Data Systems by : Chuck Reynolds

Download or read book Improving Wind Tunnel Test Processes with Modern Data Systems written by Chuck Reynolds and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Prediction of Errors and the Improvement of Data Obtained in Wind-Tunnel Heat-Transfer Tests

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Author : Donald M. Wilson
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis The Prediction of Errors and the Improvement of Data Obtained in Wind-Tunnel Heat-Transfer Tests by : Donald M. Wilson

Download or read book The Prediction of Errors and the Improvement of Data Obtained in Wind-Tunnel Heat-Transfer Tests written by Donald M. Wilson and published by . This book was released on 1970 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: The measurement of heat-transfer data in a high-speed wind tunnel is considered in detail. The analysis is restricted to tests where transient temperature measurements are made by thermocouples attached to the back face of a thin-walled model. Methods of estimating the error in obtaining a heat-transfer coefficient due to extraneous heat-transfer rates or the choice of a data-reduction method are presented. The error caused by the presence of a thermocouple in a thin wall was found experimentally. Methods of improving heat-transfer data, including the Thomas-Fitzsimmons conduction correction method, are discussed. (Author).

An Improved Method for the Design of Wind Tunnel Velocity Profile Grids

Author : Frank Herman Durgin
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (15 download)

Book Synopsis An Improved Method for the Design of Wind Tunnel Velocity Profile Grids by : Frank Herman Durgin

Download or read book An Improved Method for the Design of Wind Tunnel Velocity Profile Grids written by Frank Herman Durgin and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Scientific and Technical Reports

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Author : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 966 pages
Book Rating : 4.F/5 ( download)

Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division

Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1970 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wind Tunnel Data Acquisition Procedures

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Author : Lyle D. Kayser
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Wind Tunnel Data Acquisition Procedures by : Lyle D. Kayser

Download or read book Wind Tunnel Data Acquisition Procedures written by Lyle D. Kayser and published by . This book was released on 1975 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The procedures for acquiring data with the Astrodata system are explained in this report. These procedures are compatible with the standard wind tunnel data reduction program. Also included is a brief generalized description of the data acquisition system functions and some examples of unprocessed data which should help to clarify the procedures. This report is intended to aid operational personnel, program engineers, and users of the wind tunnel in obtaining data in an orderly and efficient manner.

NASA Technical Memorandum

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Author :
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis NASA Technical Memorandum by :

Download or read book NASA Technical Memorandum written by and published by . This book was released on 1991 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: