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Saturday, July 25, 2020 | History

3 edition of analysis of plastic shock waves in snow found in the catalog.

analysis of plastic shock waves in snow

Robert L. Brown

analysis of plastic shock waves in snow

by Robert L. Brown

  • 362 Want to read
  • 37 Currently reading

Published by The Laboratory in Hanover, N.H .
Written in English

    Subjects:
  • Shock waves,
  • Snow

  • Edition Notes

    StatementRobert L. Brown ; prepared for Directorate of Military Programs, Office, Chief of Engineers, by United States Army, Corps of Engineers, Cold Regions Research and Engineering Laboratory.
    SeriesCRREL report -- 79-29.
    ContributionsUnited States. Army. Corps of Engineers. Directorate of Military Programs., Cold Regions Research and Engineering Laboratory (U.S.)
    The Physical Object
    Paginationv, 14 p. :
    Number of Pages14
    ID Numbers
    Open LibraryOL17547768M

    Presentation Goals and Outline • Goals – Describe the properties of explosives important for snow engineering – Describe how explosive generated shock waves interact with snow – Explain the various possible outcomes of using explosives in snow of interest to avalanche control specialists. • Outline of the talk 1. Overview of methods of using explosives in snow. 1 History of Shock Waves by P. Krehl Introduction 00 Shock Waves: Definition and Scope 00 Early Percussion Research 00 Evolution of Shock Waves 00 Natural Supersonic Phenomena and Early Speculations 00 Shock Waves in Gases 00 Shock Waves in Liquids 00 Shock Waves in Solids 00 Evolution of Detonation Missing: snow book.

      In situ femtosecond X-ray diffraction measurements reveal that the dominant mechanism of shock-wave-driven deformation in tantalum changes from twinning to Cited by: Shock Wave is a book written by Clive published in , it is the thirteenth book in Cussler's Dirk Pitt series. The events in the book take place between January and March Plot summary. While investigating the deaths of a large number of marine animals, Dirk Pitt and Al Giordino encounter a group of tourists on Seymour the tourists' cruise ship (the Polar Author: Clive Cussler.

    Shock Waves in Solids under High Pressures p. Shock jump conditions p. Shock adiabat p. Interaction of Shock Waves in Solids under High Pressure p. Plane Waves in Hydro-Elasto-Plastic Media p. Attenuation of Shock Waves in Hydro-Elasto-Plastic Media p. One-Dimensional Strain Elasto-Visco-Plastic Waves p. Missing: snow book. An investigation is made of the stress system set up by an explosive detonating in contact with a metal surface. An extrapolation from data on the compressibility of steel and lead leads to the conclusion that the shock wave set up by the detonation has an initial velocity in steel which is less, and an initial velocity in lead which is greater, than the velocity of plane elastic by:


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Analysis of plastic shock waves in snow by Robert L. Brown Download PDF EPUB FB2

The propagation of plastic shock waves in snow is analyzed in order to evaluate the effect of wave intensity and frequency content on attenuation. The results show that frequency content is not very. Additional Physical Format: Online version: Brown, Robert L.

(Robert Lee), Analysis of plastic shock waves in snow. Hanover, N.H.: The Laboratory,   An analytical study of the propagation of shock waves in snow was carried out to evaluate the response of medium density snow to high rates of loading. One solution was developed for steady shock waves; this resulted in calculation of pressure jump, density jump and stress wave speed.

Correlation with available experimental data was found to be by: 2. Since rapid densification of snow accompanies shock waves, the propagation of pressure waves in wet snow is strongly dependent upon initial snow density.

This density effect is shown by Figure 2 for the case of a sample height of 30 mm. The results illustrated there are for water contents of 5. Velocity of plastic waves in snow Naturally deposited snow was taken from the field as samples.

To avoid the influence of the layer structure of naturally deposited snow, samples were taken from a homogeneous layer and compression was made always parallel. Shock-wave studies of snow have been conducted at stress levels of up to 40 MPa. Analysis of embedded gauges and shock-reverberation techniques were used to determine shock pressure-density data for snow with initial densities ranging from kg m −3 to kg m −3 and temperatures ranging from −2 °C to −23 ° by: 4.

Description. Shock Waves in Condensed Matter – covers the proceedings of the American Physical Society Topical Conference, held in Santa Fe, New Mexico on JulyThe book focuses on the response of matter to dynamic high pressure and temperature.

The selection first elaborates on the review of theoretical calculations Book Edition: 1. Orange clearly shows how these "Shock Waves" ripple through the lives of all those touched by Post Traumatic Stress.

This is an amazing, thoughtful, and inspiring book which will leave the readers with a message of hope. Read more. 10 people found this helpful.

Helpful. Comment Report abuse/5(33). Chapter 3 Shock Waves in Solids Introduction. The bar geometries we considered in Chapter 2 give rise to a state of uniaxial stress which is amenable to 1D analysis.

If the loading is pushed much beyond the elastic limit, 3D features, such as necking, radial Missing: snow book. This is Lecture notes on Shock Waves. What are shock waves. properties and applications. are separated by a 50 µ m thick plastic di- The analysis and performance of reddy tube are as.

Unlike ordinary sound waves, the speed of a shock wave varies with its amplitude. The speed of a shock wave is always greater than the speed of sound in the fluid and decreases as the amplitude of the wave Missing: snow book. This book forms an introduction to important aspects of shock-wave propagation in solid materials.

Emphasis is on the regime of moderate compression that can be produced by high-velocity impact or detonation of chemical explosives. In this regime relatively simple equations of state are applicable to the description of : Springer-Verlag Berlin Heidelberg.

EXPERIMENTS AND ANALYSIS OF WATER-SHEET BREAKUP AND MITIGATING POTENTIAL UNDER BLAST LOADING A. Zakrajsek 1, D. Guildenbecher, 2, and S. Son 1School of Mechanical Engineering, Purdue University, West Lafayette IN 2 Present Address: Sandia National Laboratories, Albuquerque NM Abstract An explosion yielding a blast wave can cause Missing: snow book.

This book forms an introduction to important aspects of shock-wave propagation in solid materials. Emphasis is on the regime of moderate compression that can be produced by high-velocity impact or detonation of chemical explosives.

In this regime relatively simple equations of state are applicable to the description of compression. Thus the strong detonation wave is dominated by the shock wave. The weak detonation wave is supersonic and precedes gas dynamics waves. Thus it is a reaction-di⁄usion wave and the existence and stability of a weak detonation wave are mainly the result of chemical nonlinearity (this is shown in [83] for a 2 2 model).

The most fundamental information currently known about the propagation of shock waves through any material substance will be presented. It is shown that the equation of state (EOS) has a decisive effect on the shock phenomena that can exist in the material.

Five laws or theorems will be Size: KB. Two things, first - Goodreads doesn't have enough stars, because five just doesn't cut it for this book. Second - it's dangerous to say "best" or "favorite" about any John Sandford book, but I'll take the risk on Shock Wave. This is my favorite John Sandford - Virgil Flowers book.

(and I have read all of them.) Sanford's style is creamy/5. Parameters of shock waves for free-air explosion Shock waves overpressures at air explosion Shock waves intensity for ground and above-ground explosions.

Velocity of blast waves Impulse characteristics of blast waves Wave perturbations in the homogeneous atmosphere at the far distances from the center of explosion Understanding the causes and effects of explosions is important to experts in a broad range of disciplines, including the military, industrial and environmental research, aeronautic engineering, and applied mathematics.

Offering an introductory review of historic research, Shock Waves and Explosions brings analytic and computational methods to a wide audience in a clear and thorough g: snow book. Shock wave, strong pressure wave in any elastic medium such as air, water, or a solid substance, produced by supersonic aircraft, explosions, lightning, or other phenomena that create violent changes in pressure.

Shock waves differ from sound waves in that the wave Missing: snow book. Dimensional Analysis and Physical Similarity are well understood subjects, and the general concepts of dynamical similarity are explained in this book.

Our exposition is essentially different from those available in the literature, although it follows the general ideas known as Pi Theorem. There are many excellent books that one can refer to; however, dimensional analysis goes beyond Pi Missing: snow book.Every so often I like picking up a good adventure tale.

Clive Cussler's Dirk Pitt/NUMA books are a great series to check out. Shock Wave is an epic (+ pages) story that I found to be an interesting and entertaining read. The story starts out with an event that leaves 4/5.shock wave behavior.

The goal of these tests was to identify at what point the in elastic-plastic region the overpressure wave no longer closely resembled a shock wave, but an elastic wave instead. KEYWORDS: Black Powder, Raleigh Hugoniot-Equations, Overpressure Prediction, Raleigh Line, Airblast.

William R Weitzel. 12/04/Cited by: 2.