Performance Requirements and Preliminary Design of a Boundary Layer Wind Tunnel Facility PDF Download
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Author: Richard D. Marshall
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 56
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Book Description
Author: Richard D. Marshall
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 56
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Book Description
Author: Richard D. Marshall
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 416
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Book Description
Author: National Institute of Standards and Technology (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 410
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category :
Languages : en
Pages : 410
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Book Description
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 408
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Book Description
Author: John Boerchers
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This thesis will present the development of a quasi-one-dimensional, viscous-inviscid approach to assess the aerodynamic performance of low-speed wind tunnels and its application to the preliminary design of a new wind tunnel. The approach includes numerical integration of the incompressible, quasi-one-dimensional equations of motion coupled with the axisymmetric integral boundary layer equations. The boundary layer model describes the viscous losses necessary for predicting required fan input power. Components such as screens and fans are modeled with discrete changes in the flow variables at specified locations. The approach can be used to assess the aerodynamic performance of a given wind tunnel design to determine the required fan input to overcome viscous losses from the boundary layer and components. Results are provided for the conceptual design of a low-speed wind tunnel for testing turbomachinery. For a fan diameter of 24 inches, a diffuser area ratio of 1.06 provides the maximum test Reynolds number for a 300-horsepower constraint. The results show the utility of the approach for preliminary aerodynamic analysis and design of low-speed wind tunnel designs, enabling rapid design iterations for new wind tunnel designs and assessment of potential design improvements for existing wind tunnels.
Author: John J. Nunemaker
Publisher:
ISBN:
Category : Wind tunnels
Languages : en
Pages : 150
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Book Description
Author: Colin Britcher
Publisher: Academic Press
ISBN: 0128181001
Category : Technology & Engineering
Languages : en
Pages : 672
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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
