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Mach 10 Experimental Database Of A Three Dimensional Scramjet Inlet Flow Field

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Mach 10 Experimental Database Of A Three Dimensional Scramjet Inlet Flow Field

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Author : Scott Douglas Holland
language : en
Publisher:
Release Date : 1995

Mach 10 Experimental Database Of A Three Dimensional Scramjet Inlet Flow Field written by Scott Douglas Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aerodynamics, Hypersonic categories.

Internal Aerodynamics Of A Generic Three Dimensional Scramjet Inlet At Mach 10

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Author : Scott D. Holland
language : en
Publisher:
Release Date : 1995

Internal Aerodynamics Of A Generic Three Dimensional Scramjet Inlet At Mach 10 written by Scott D. Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aerothermodynamics categories.

Mach 10 Experimental Database Of A Three Dimensional Scramjet Inlet Flow Field

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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-27

Mach 10 Experimental Database Of A Three Dimensional Scramjet Inlet Flow Field written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-27 with categories.

The present work documents the experimental database of a combined computational and experimental parametric study of the internal aerodynamics of a generic three-dimensional sidewall compression scramjet inlet configuration at Mach 10. A total of 356 channels of pressure data, including static pressure orifices, pitot pressures, and exit flow rakes, along with oil flow and infrared thermography, provided a detailed experimental description of the flow. Mach 10 tests were performed for three geometric contraction ratios (3, 5, and 9), three Reynolds numbers (0.55 x 10(exp 6) per foot, 1.14 x 10(exp 6) per foot, and 2.15 x 10(exp 6) per foot), and three cowl positions (at the throat and two forward positions). For the higher contraction ratios, a large forward separation of the inflow boundary layer was observed, making the high contraction ratio configurations unsuitable for flight operation. A decrease in the freestream unit Reynolds number (Re) of only a factor of 2 led to a similar upstream separation. Although the presence of such large-scale separations leads to the question of whether the inlet is started, the presence of internal oblique swept shock interactions on the sidewalls seems to indicate that at least in the classical sense, the inlet is not unstarted. The laminar inflow boundary layer therefore appears to be very sensitive to increases in contraction ratio (CR) or decreases in Reynolds number; only the CR = 3 configuration with 0.25, and 50 percent cowl at Re = 2.15 x 10(exp 6) per foot operated 'on design'. Holland, Scott D. Langley Research Center NASA-TM-4648, L-17349, NAS 1.15:4648 RTOP 506-40-41-02...

Mach 10 Computational Study Of A Three Dimensional Scramjet Inlet Flow Field

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Author : Scott D. Holland
language : en
Publisher:
Release Date : 1995

Mach 10 Computational Study Of A Three Dimensional Scramjet Inlet Flow Field written by Scott D. Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

Nasa Technical Memorandum

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Author :
language : en
Publisher:
Release Date : 1996

Nasa Technical Memorandum written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Aeronautics categories.

Mach 10 Computational Study Of A Three Dimensional Scramjet Inlet Flow Field

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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-05

Mach 10 Computational Study Of A Three Dimensional Scramjet Inlet Flow Field written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-05 with categories.

The present work documents the computational results for a combined computational and experimental parametric study of the internal aerodynamics of a generic three-dimensional sidewall-compression scramjet inlet configuration at Mach 10. The three-dimensional Navier-Stokes code SCRAMIN was chosen for the computational portion of the study because it uses a well-known and well-proven numerical scheme and has shown favorable comparison with experiment at Mach numbers between 2 and 6. One advantage of CFD was that it provided flow field data for a detailed examination of the internal flow characteristics in addition to the surface properties. The experimental test matrix at mach 10 included three geometric contraction ratios (3, 5, and 9), three Reynolds numbers (0.55 x 10(exp 6) per foot, 1.14 x 10(exp 6) per foot, and 2.15 x 10(exp 6) per foot), and three cowl positions (at the throat and two forward positions). Computational data for two of these configurations (the contraction ratio of 3, Re = 2.15 x 10 (exp 6) per foot, at two cowl positions) are presented along with a detailed analysis of the flow interactions in successive computational planes. Holland, Scott D. Langley Research Center RTOP 506-40-41-02...

Nasa Langley Scientific And Technical Information Output 1995

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Author :
language : en
Publisher:
Release Date : 1996

Nasa Langley Scientific And Technical Information Output 1995 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Astronautics categories.

This document is a compilation of the scientific and technical information that the Langley Research Center has produced during the calendar year 1995. Included are citations for formal reports, high-numbered conference publications, high-numbered technical memorandums, contractor reports, journal articles and other publications, meeting presentations, technical talks, computer programs, tech briefs, and patents.