Investigation Of Separated Flows In Supersonic And Subsonic Streams With Emphasis On The Effect Of Transition
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Investigation Of Separated Flows In Supersonic And Subsonic Streams With Emphasis On The Effect Of Transition
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Author : Dean R. Chapman
language : en
Publisher:
Release Date : 1956
Investigation Of Separated Flows In Supersonic And Subsonic Streams With Emphasis On The Effect Of Transition written by Dean R. Chapman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Air flow categories.
Experimental and theoretical research has been conducted on flow separation associated with steps, bases, compression corners, curved surfaces, shock-wave boundary-layer reflections, and configurrations producing leading-edge separation. Results were obtained from pressure-distribution measurements, shadow-graph observations, high-speed motion pictures, and oil-film studies. The maximum scope of measurement encompassed Mach numbers between 0.4 and 3.6, and length Reynolds numbers between 2,000 and 5,000,000.
Preliminary Report On A Study Of Separated Flows In Supersonic And Subsonic Streams
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Author : Dean R. Chapman
language : en
Publisher:
Release Date : 1956
Preliminary Report On A Study Of Separated Flows In Supersonic And Subsonic Streams written by Dean R. Chapman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Aerodynamics categories.
Some results are described of fundamental research conducted on various flow separation phenomena in two-dimensional streams. Experimental and theoretical results are described for the pressure rise across a reattachment region, and for the Reynolds number dependence of the pressure rise to a separation point. Observations are made throughout of the location of transition relative to reattachment and to separation, since this relative location turned out to be the dominant variable investigated.
Shock Waves
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Author : Klaus Hannemann
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-04-05
Shock Waves written by Klaus Hannemann and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-05 with Science categories.
The 26th International Symposium on Shock Waves in Göttingen, Germany was jointly organised by the German Aerospace Centre DLR and the French-German Research Institute of Saint Louis ISL. The year 2007 marked the 50th anniversary of the Symposium, which first took place in 1957 in Boston and has since become an internationally acclaimed series of meetings for the wider Shock Wave Community. The ISSW26 focused on the following areas: Shock Propagation and Reflection, Detonation and Combustion, Hypersonic Flow, Shock Boundary Layer Interaction, Numerical Methods, Medical, Biological and Industrial Applications, Richtmyer Meshkov Instability, Blast Waves, Chemically Reacting Flows, Diagnostics, Facilities, Flow Visualisation, Ignition, Impact and Compaction, Multiphase Flow, Nozzles Flows, Plasmas and Propulsion. The two Volumes contain the papers presented at the symposium and serve as a reference for the participants of the ISSW 26 and individuals interested in these fields.
High Order Large Eddy Simulation For Shock Boundary Layer Interaction Control By A Micro Ramp Vortex Generator
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Author : Chaoqun Liu
language : en
Publisher: Bentham Science Publishers
Release Date : 2017-12-08
High Order Large Eddy Simulation For Shock Boundary Layer Interaction Control By A Micro Ramp Vortex Generator written by Chaoqun Liu and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-08 with Technology & Engineering categories.
This volume presents an implicitly implemented large eddy simulation (ILES) by using the fifth order bandwidth-optimized WENO scheme. The chosen method is applied to make comprehensive studies on ramp flows with and without control at Mach 2.5 and Re=5760. Flow control in the form of microramp vortex generators (MVG) is applied. The results show that a MVG can distinctly reduce the separation zone at the ramp corner and lower the boundary layer shape factor under simulated conditions. A series of new findings about the MVG-ramp flow are obtained, including structures relevant to surface pressure, three-dimensional structures of the re-compression shock waves, a complete surface separation pattern, momentum deficit and a new secondary vortex system. A new mechanism of shock-boundary layer interaction control by MVG associated with a series of vortex rings is also presented. Vortex rings strongly interact with air flow and play an important role in the separation zone reduction. Additionally, readers will learn about the governing equation, boundary condition, high quality grid generation, high order shock capturing scheme and DNS inflow condition in detail. This volume will, therefore, serve as a useful reference for aerospace researchers using LES methods to study shock boundary layer interaction and supersonic flow control.
Flow In The Base Region Of Axisymmetric And Two Dimensional Configurations
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Author : Milton A. Beheim
language : en
Publisher:
Release Date : 1961
Flow In The Base Region Of Axisymmetric And Two Dimensional Configurations written by Milton A. Beheim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Axial flow categories.
A theoretical and experimental investigation has been conducted of the pressure distribution on the surface of either a circular cylinder or a truncated cone located within the base region of another circular cylinder at Mach number 2. A similar analysis of pressure distribution was made for rearward-facing two-dimensional steps, and theoretical results were compared with experimental results of earlier investigations. Theoretical base-pressure ratios of two-dimensional steps agreed well with experimental results; however, as a result of the simplifying assumptions made for axisymmetric configurations, only a range of values for theoretical base-pressure ratio could be calculated within which the experimental results were expected to occur. The data generally followed the trends predicted by the theory, and deviations apparently could be explained.
Manned Operations For The Apollo Lunar Module In A Simulated Space Environment
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Author : O. L. Pearson
language : en
Publisher:
Release Date : 1970
Manned Operations For The Apollo Lunar Module In A Simulated Space Environment written by O. L. Pearson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Extravehicular space suits categories.
Simulated space environment performance tests of Apollo lunar module in thermal vacuum environment.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1974
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Excitation Of Boundary Layer Turbulence Through Spark Discharges
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Author : Enrique J. Klein
language : en
Publisher:
Release Date : 1971
Excitation Of Boundary Layer Turbulence Through Spark Discharges written by Enrique J. Klein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Laminar boundary layer categories.
Experimental Determination Of Effects Of Frequency And Amplitude On The Lateral Stability Derivatives For A Delta A Swept And An Upswept Wing Oscillating In Yaw
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Author : Dean R. Chapman
language : en
Publisher:
Release Date : 1958
Experimental Determination Of Effects Of Frequency And Amplitude On The Lateral Stability Derivatives For A Delta A Swept And An Upswept Wing Oscillating In Yaw written by Dean R. Chapman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Aerofoils categories.
Experimental Separation Studies For Two Dimensional Wedges And Curved Surfaces At Mach Numbers Of 4 8 To 6 2
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Author : James R. Sterrett
language : en
Publisher:
Release Date : 1962
Experimental Separation Studies For Two Dimensional Wedges And Curved Surfaces At Mach Numbers Of 4 8 To 6 2 written by James R. Sterrett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Aerodynamics, Hypersonic categories.