Fluid Flow Analysis Of A Hot Core Hypersonic Wind Tunnel Nozzle Concept PDF Download
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Author | : John B. Anders |
Publisher | : |
Total Pages | : 36 |
Release | : 1972 |
Genre | : Aerodynamics, Hypersonic |
ISBN | : |
Download Fluid Flow Analysis of a Hot-core Hypersonic-wind-tunnel Nozzle Concept Book in PDF, ePub and Kindle
A hypersonic-wind-tunnel nozzle concept which incorporates a hot-core flow surrounded by an annular flow of cold air offers a promising technique for maximizing the model size while minimizing the power required to heat the test core. This capability becomes especially important when providing the true-temperature duplication needed for hypersonic propulsion testing. Several two-dimensional wind-tunnel nozzle configurations that are designed according to this concept are analyzed by using recently developed analytical techniques for prediction of the boundary-layer growth and the mixing between the hot and cold coaxial supersonic airflows. The analyses indicate that introduction of the cold annular flow near the throat results in an unacceptable test core for the nozzle size and stagnation conditions considered because of both mixing and condensation effects. Use of a half-nozzle with a ramp on the flat portion does not appear promising because of the thick boundary layer associated with the extra length. However, the analyses indicate that if the cold annular flow is introduced at the exit of a full two-dimensional nozzle, an acceptable test core will be produced. Predictions of the mixing between the hot and cold supersonic streams for this configuration show that mixing effects from the cold flow do not appreciably penetrate into the hot core for the large downstream distances of interest.
Author | : |
Publisher | : |
Total Pages | : 730 |
Release | : 1975 |
Genre | : |
ISBN | : |
Download NASA Technical Note Book in PDF, ePub and Kindle
Author | : James T. Van Kuren |
Publisher | : |
Total Pages | : 139 |
Release | : 1974 |
Genre | : |
ISBN | : |
Download A Study of the Nozzle Flow in a Large Arc-Heated Hypersonic Wind Tunnel Book in PDF, ePub and Kindle
The objective of the study was to obtain information about the flow of chemically reacting air that has been heated in a vortex stabilized, high voltage, direct current arc and expanded to hypersonic speeds in a conical nozzle. The inviscid core of the axisymmetric flow in the supersonic section of the nozzle was theoretically analyzed by the method of characteristics for air in chemical and thermal equilibrium. Impact pressure, mass flux, and heat transfer profiles and nozzle-wall static pressures were obtained. Light emissions from the reacting stream were recorded spectroscopically. (Modified author abstract).
Author | : Ralph C. Tolle |
Publisher | : |
Total Pages | : 274 |
Release | : 1996 |
Genre | : Hypersonic wind tunnels |
ISBN | : |
Download Development and Testing of a New Optimum Design Code for Hypersonic Wind Tunnel Nozzles, Including Boundary Layer, Turbulence, and Real Gas Effects Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1932 |
Release | : 1972 |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1466 |
Release | : 1976 |
Genre | : United States |
ISBN | : |
Download Monthly Catalog of United States Government Publications, Cumulative Index Book in PDF, ePub and Kindle
Author | : Wilbur C. Nelson |
Publisher | : Elsevier |
Total Pages | : 801 |
Release | : 2014-12-02 |
Genre | : Science |
ISBN | : 1483223310 |
Download The High Temperature Aspects of Hypersonic Flow Book in PDF, ePub and Kindle
The High Temperature Aspects of Hypersonic Flow is a record of the proceedings of the AGARD-NATO Specialists' Meeting, held at the Technical Centre for Experimental Aerodynamics, Rhode-Saint-Genese, Belgium in April 1962. The book contains the papers presented during the meeting that tackled a broad range of topics in the aspects of hypersonic flow. The subjects covered during the meeting include pressure measurements, interference effects, the use of wind tunnels in aircraft development testing, high temperature gas characteristics, boundary layer research, stability and control and the use of rocket vehicles in flight research. Aerospace engineers and aeronautical engineers will find the book invaluable.
Author | : |
Publisher | : |
Total Pages | : 836 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 542 |
Release | : 1972 |
Genre | : Mechanics, Applied |
ISBN | : |
Download Applied Mechanics Reviews Book in PDF, ePub and Kindle
Author | : Harris M. Schurmeier |
Publisher | : |
Total Pages | : 304 |
Release | : 1959 |
Genre | : Hypersonic wind tunnels |
ISBN | : |
Download Design and Operation of a Continuous-flow Hypersonic Wind Tunnel Using a Two-dimensional Nozzle Book in PDF, ePub and Kindle