Velocity and Turbulence Measurements in a Supersonic Base Flow with Mass Bleed PDF Download
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Author: T. Mathur
Publisher:
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Category :
Languages : en
Pages :
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Author: T. Mathur
Publisher:
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Category :
Languages : en
Pages :
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Author: Gordon Lee Thorn
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 70
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Author: John G. Webster
Publisher: CRC Press
ISBN: 1000945162
Category : Technology & Engineering
Languages : en
Pages : 660
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Accuracy in the laboratory setting is key to maintaining the integrity of scientific research. Inaccurate measurements create false and non-reproducible results, rendering an experiment or series of experiments invalid and wasting both time and money. This handy guide to solid, fluid, and thermal measurement helps minimize this pitfall through careful detailing of measurement techniques. Concise yet thorough, Mechanical Variables Measurement-Solid, Fluid, and Thermal describes the use of instruments and methods for practical measurements required in engineering, physics, chemistry, and the life sciences. Organized according to measurement problem, the entries are easy to access. The articles provide equations to assist engineers and scientists who seek to discover applications and solve problems that arise in areas outside of their specialty. Sections include references to more specialized publications for advanced techniques, as well. It offers instruction for a range of measuring techniques, basic through advanced, that apply to a broad base of disciplines. As an engineer, scientist, designer, manager, researcher, or student, you encounter the problem of measurement often and realize that doing it correctly is pivotal to the success of an experiment. This is the first place to turn when deciding on, performing, and troubleshooting the measurement process. Mechanical Variables Measurement-Solid, Fluid, and Thermal leads the reader, step-by-step, through the straits of experimentation to triumph.
Author: Alexander J. Smits
Publisher: Springer Science & Business Media
ISBN: 0387263055
Category : Science
Languages : en
Pages : 418
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A good understanding of turbulent compressible flows is essential to the design and operation of high-speed vehicles. Such flows occur, for example, in the external flow over the surfaces of supersonic aircraft, and in the internal flow through the engines. Our ability to predict the aerodynamic lift, drag, propulsion and maneuverability of high-speed vehicles is crucially dependent on our knowledge of turbulent shear layers, and our understanding of their behavior in the presence of shock waves and regions of changing pressure. Turbulent Shear Layers in Supersonic Flow provides a comprehensive introduction to the field, and helps provide a basis for future work in this area. Wherever possible we use the available experimental work, and the results from numerical simulations to illustrate and develop a physical understanding of turbulent compressible flows.
Author:
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ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 772
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Author: American Institute of Aeronautics and Astronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 960
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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A zonal, implicit, time-marching Navier-Stokes computational technique has been used to compute the turbulent supersonic base flow over a cylindrical afterbody with base bleed. A critical element of calculating such flows is the turbulence model. Two eddy viscosity turbulence models have been used in the base region flow computations. These models include an algebraic turbulence model and a two-equation k-e model. The k-e equations are solved using an implicit algorithm, and calculations with the k-e model are extended up to the wall. Flow field computations have been performed for a cylindrical afterbody at M approx. = 2.46 and at an angle of attack of a = 0. The results are compared to the experimental data for the same conditions and the same configuration. Details of the mean flow field as well as the turbulence quantities have been presented. In addition, the computed base pressure distribution has been compared with the experiment. In general, the k-e turbulence model performs better in the near wake than the algebraic model and predicts the base pressure much better.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 980
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 580
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