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Author : Thomas Lechat
Release : 2019
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Impact of Roughness on Shock Wave Reflection Phenomena by : Thomas Lechat
Download or read book Impact of Roughness on Shock Wave Reflection Phenomena written by Thomas Lechat. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gabi Ben-Dor
Release : 2013-06-29
Genre : Science
Kind : eBook
Book Rating : 797/5 ( reviews)
Book Synopsis Shock Wave Reflection Phenomena by : Gabi Ben-Dor
Download or read book Shock Wave Reflection Phenomena written by Gabi Ben-Dor. This book was released on 2013-06-29. Available in PDF, EPUB and Kindle. Book excerpt: The phenomenon of shock wave reflection was first reported by the distinguished philosopher Ernst Mach in 1878. Its study was then abandoned for a period of about 60 years until its investigation was initiated in the early 1940s by Professor John von Neumann and Professor Bleakney. Under their supervision, 15 years of intensive research related to various aspects of the reflection of shock waves in pseudo-steady flows were carried out. It was during this period that the four basic shock wave reflection configurations were discovered. Then, for a period of about 10 years from the mid 1950s until the mid 1960s, investigation of the reflection phenomenon of shock waves was kept on a low flame all over the world (e. g. Australia, Japan, Canada, U. S. A. , U. S. S. R. , etc. ) until Professor Bazhenova from the U. S. S. R. , Professor Irvine Glass from Canada, and Professor Roy Henderson from Australia re initiated the study of this and related phenomena. Under their scientific supervision and leadership, numerous findings related to this phenomenon were reported. Probably the most productive research group in the mid 1970s was that led by Professor Irvine Glass in the Institute of Aerospace Studies of the University of Toronto. In 1978, exactly 100 years after Ernst Mach first reported his discovery of the reflection phenomenon, I published my Ph. D. thesis in which, for the first time, analytical transition criteria between the various shock wave reflection configurations were established.
Author : G. Ben-Dor
Release : 1985
Genre :
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Book Synopsis The Effect of Surface Conditions on the Mach Reflection Phenomenon by : G. Ben-Dor
Download or read book The Effect of Surface Conditions on the Mach Reflection Phenomenon written by G. Ben-Dor. This book was released on 1985. Available in PDF, EPUB and Kindle. Book excerpt: The aim of the present study was to study both experimentally and analytically the effect of the surface conditions on the shock reflection phenomenon. In general, the study was divided into two parts: (1) the reflection of a planar shock wave over rough surfaces, and (2) the reflection of a planar shock wave over a liquid surface. Keywords: Shock wave; Regular and Mach reflections; Boundary layer; Reflecting wedge; Pseudo-steady flow; Surface roughness; Von Neuman paradox.
Author : Paul W. Huber
Release : 1955
Genre : Charts, diagrams, etc
Kind : eBook
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Book Synopsis Effect of Surface Roughness on Characteristics of Spherical Shock Waves by : Paul W. Huber
Download or read book Effect of Surface Roughness on Characteristics of Spherical Shock Waves written by Paul W. Huber. This book was released on 1955. Available in PDF, EPUB and Kindle. Book excerpt: An investigation has been conducted on a small-scale test layout in which direct observation of the shock-wave movement with time could be made in order to determine the effects of surface roughness on the characteristics of spherical shock waves. Data were obtained with 15-gram pentolite charges at four heights of burst, both for a smooth surface and for a surface completely covered with pyramid-shaped roughness elements. The observations calculated in determinations of shock peak over-pressure and Mach stem height as a function of distance for each test condition.
Author : David E. Conant
Release : 1954
Genre :
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Book Synopsis The Effect of Surface Roughness on the Diffraction of a Shock Wave Around Two-dimensional Blocks by : David E. Conant
Download or read book The Effect of Surface Roughness on the Diffraction of a Shock Wave Around Two-dimensional Blocks written by David E. Conant. This book was released on 1954. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of these experiments conducted in the shock tube was to obtain qualitative information concerning the effect of various types and degrees of surface roughness on the diffraction of a shock wave about a two-dimensional model. A series of shadowgraphs was taken of the various blocks in the shock tube with incident over-pressure of 6 and 9 psi. Qualitative analysis of the data indicates that surface roughness reduces the velocity of the shock across the top near the rough surface and tends to hinder the developmemt of the front top vortex appreciably, but does not affect the development of the rear vortex to as great an extent.
