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Author: F H. Smith Publisher: ISBN: Category : Wind tunnels Languages : en Pages : 76
Book Description
The report describes the application of a laser Doppler velocimeter (LDV) in a transonic wind tunnel. The LDV, an in-house-developed instrument, measured two velocity components using the dual scatter principle. The flow was not seeded for this test, and the output data was processed by a special data processor developed at AEDC. The velocity data and flow angularity are presented for five Mach numbers together with the velocities obtained using conventional wind-tunnel instrumentation.
Author: F H. Smith Publisher: ISBN: Category : Wind tunnels Languages : en Pages : 76
Book Description
The report describes the application of a laser Doppler velocimeter (LDV) in a transonic wind tunnel. The LDV, an in-house-developed instrument, measured two velocity components using the dual scatter principle. The flow was not seeded for this test, and the output data was processed by a special data processor developed at AEDC. The velocity data and flow angularity are presented for five Mach numbers together with the velocities obtained using conventional wind-tunnel instrumentation.
Author: Jewel B. Barlow Publisher: John Wiley & Sons ISBN: 0471557749 Category : Technology & Engineering Languages : en Pages : 738
Book Description
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.
Author: A. Favre Publisher: ISBN: Category : Aerodynamics Languages : en Pages : 28
Book Description
Abstract: Results are presented of research obtained by means of an apparatus for measurement of time and space correlation and of a spectral analyser in the study of the longitudinal component of turbulence velocities in a wind tunnel downstream of a grid of meshes. Application to the case of a flat-plate boundary layer is illustrated. These researches were made at the Laboratoire de Mécanique de l'Atmosphère de l'I. M. F. M. for the O.N.E.R.A.
Author: Robert E. Dannenberg Publisher: ISBN: Category : Aerodynamic load Languages : en Pages : 678
Book Description
Tunnel-wall corrections for the induced upwash velocity for a swept wing completely spanning a rectangular wind tunnel are included in the appendix.
Author: Jorge Colman Lerner Publisher: BoD – Books on Demand ISBN: 9533076232 Category : Science Languages : en Pages : 728
Book Description
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.
Author: G P Russo Publisher: Elsevier ISBN: 085709386X Category : Science Languages : en Pages : 283
Book Description
Aerodynamic measurements presents a comprehensive review of the theoretical bases on which experimental techniques used in aerodynamics are based. Limitations of each method in terms of accuracy, response time and complexity are addressed. This book serves as a guide to choosing the most pertinent technique for each type of flow field including: 1D, 2D, 3D, steady or unsteady, subsonic, supersonic or hypersonic. - No book currently presents as many techniques as are presented in this volume. They are usually available in only a short course or in proprietary booklets - Offers a critical review of the various methods of aerodynamic measurement and helps guide the reader to choose the most appropriate in each case - Describes the evolution of specific techniques from old-fashioned mechanical processes to modern computerized versions aiding students and practitioners to understand results of their findings
Author: Colin Britcher Publisher: Academic Press ISBN: 0128181001 Category : Technology & Engineering Languages : en Pages : 672
Book Description
Wind Tunnel Test Techniques: Design and Use at Low and High Speeds with Statistical Engineering Applications provides an up-to-date treatment of the topic. Beginning with a brief history of wind tunnels and its types and uses, the book goes on to cover subsonic, supersonic and hypersonic wind tunnel design and construction, calibration, boundary corrections, flow quality assessment, pressure surveys, and dynamic testing. It also focuses on wind tunnel facilities, making it useful for both the designer and operator. Engineers and graduate students in aerospace, automotive and similar programs will find this book useful in their work with experimental aerodynamics, gas dynamics, facility design and performance. - Deals with a broad range of flow speeds in wind tunnels, from low speed to high speed - Provides a discussion of similarity laws as well as material on statistical analysis - Includes coverage on facility-to-facility and facility-to-CFD correlation - Presents advanced topics such as cryogenic wind tunnels, ground simulation in automotive testing, and propulsion testing
Author: F H. Smith
Author: F H. Smith
Author: Jewel B. Barlow
Author: A. Favre
Author: Robert E. Dannenberg
Author: Jorge Colman Lerner
Author: Donald D. Baals
Author: G P Russo
Author: Colin Britcher
Author: Charles P. Butterfield
Author: John Robert Pannell