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Author: Yue Ling
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
In this dissertation, we develop a rigorous simulation approach for unsteady compressible multiphase flow involving shock and detonation waves, and apply this approach to investigate a sequence of problems of particle dispersal by shock and detonation waves. First, the particle dispersal in a one-dimensional shock-tube is considered. The primary focus is on how the existence of particles causes the flow to transition from the frozen to the equilibrium limit. The second problem entails the investigation and resolution of numerically induced particle-number-density fluctuations in Eulerian-Lagrangian simulations of multiphase flow. Guidelines to reduce the amplitude of the fluctuations are proposed that can be easily applied in practice. The third problem considered in the dissertation is the modeling and analysis of particle interaction with shock and blast waves. The study clearly demonstrates the importance of the unsteady force and heat transfer in the interaction of particles with shock and blast waves. Finally, we consider the problem of particle dispersal by blast waves. The focus is on investigating the interactions between particles with the complex wave system. The unsteady contributions to force and heat-transfer are again found to be substantial.
Author: Yue Ling
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
In this dissertation, we develop a rigorous simulation approach for unsteady compressible multiphase flow involving shock and detonation waves, and apply this approach to investigate a sequence of problems of particle dispersal by shock and detonation waves. First, the particle dispersal in a one-dimensional shock-tube is considered. The primary focus is on how the existence of particles causes the flow to transition from the frozen to the equilibrium limit. The second problem entails the investigation and resolution of numerically induced particle-number-density fluctuations in Eulerian-Lagrangian simulations of multiphase flow. Guidelines to reduce the amplitude of the fluctuations are proposed that can be easily applied in practice. The third problem considered in the dissertation is the modeling and analysis of particle interaction with shock and blast waves. The study clearly demonstrates the importance of the unsteady force and heat transfer in the interaction of particles with shock and blast waves. Finally, we consider the problem of particle dispersal by blast waves. The focus is on investigating the interactions between particles with the complex wave system. The unsteady contributions to force and heat-transfer are again found to be substantial.
Author: John G. Kirkwood
Publisher: Taylor & Francis Group
ISBN:
Category : Science
Languages : en
Pages : 150
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Book Description
Author: Riccardo Bonazza
Publisher: Springer
ISBN: 3319168355
Category : Science
Languages : en
Pages : 832
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Book Description
This proceedings present the results of the 29th International Symposium on Shock Waves (ISSW29) which was held in Madison, Wisconsin, U.S.A., from July 14 to July 19, 2013. It was organized by the Wisconsin Shock Tube Laboratory, which is part of the College of Engineering of the University of Wisconsin-Madison. The ISSW29 focused on the following areas: Blast Waves, Chemically Reactive Flows, Detonation and Combustion, Facilities, Flow Visualization, Hypersonic Flow, Ignition, Impact and Compaction, Industrial Applications, Magnetohydrodynamics, Medical and Biological Applications, Nozzle Flow, Numerical Methods, Plasmas, Propulsion, Richtmyer-Meshkov Instability, Shock-Boundary Layer Interaction, Shock Propagation and Reflection, Shock Vortex Interaction, Shock Waves in Condensed Matter, Shock Waves in Multiphase Flow, as well as Shock Waves in Rarefield Flow. The two Volumes contain the papers presented at the symposium and serve as a reference for the participants of the ISSW 29 and individuals interested in these fields.
Author: F. Zhang
Publisher: Springer Science & Business Media
ISBN: 3642229670
Category : Science
Languages : en
Pages : 482
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Book Description
This book, as a volume of the Shock Wave Science and Technology Reference Library, is primarily concerned with the fundamental theory of detonation physics in gaseous and condensed phase reactive media. The detonation process involves complex chemical reaction and fluid dynamics, accompanied by intricate effects of heat, light, electricity and magnetism - a contemporary research field that has found wide applications in propulsion and power, hazard prevention as well as military engineering. The seven extensive chapters contained in this volume are: - Chemical Equilibrium Detonation (S Bastea and LE Fried) - Steady One-Dimensional Detonations (A Higgins) - Detonation Instability (HD Ng and F Zhang) - Dynamic Parameters of Detonation (AA Vasiliev) - Multi-Scaled Cellular Detonation (D Desbordes and HN Presles) - Condensed Matter Detonation: Theory and Practice (C Tarver) - Theory of Detonation Shock Dynamics (JB Bdzil and DS Stewart) The chapters are thematically interrelated in a systematic descriptive approach, though, each chapter is self-contained and can be read independently from the others. It offers a timely reference of theoretical detonation physics for graduate students as well as professional scientists and engineers.
Author: Gerald P. D'Arcy
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 154
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Book Description
Presented theoretically and experimentally are (1) the feasibility of simulating a nuclear blast environment by detonating a gas and (2) determination of the initial conditions of hydrogen-oxygen mixtures to yield blast waves of the same pressure-velocity relationship as that in air shock waves. When the theory was derived by predicting the characteristics of the simulated blast waves, a computer program was written. Experimental data were used to adjust the computed data. The experiments were conducted in a 13-inch-diameter, high-pressure shock tube and yielded four mixtures of hydrogen and oxygen capable of simulating shock waves with overpressures of from 300 to 1,200 psi. It was found that detonation waves may be substituted for air shock waves when the incident loading is important and that applications are generally limited to instances in which only one characteristic of an air shock is simulated. (Author)
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
This paper describes an experimental & numerical investigation of the rapid dispersal of inert solid particles due to the detonation of a heterogeneous explosive consisting of a packed bed of steel beads saturated with a liquid explosive. The interplay between the particle dynamics & the blast wave propagation was investigated experimentally as a function of the particle size & charge diameter with flash X-ray radiography & blast wave instrumentation. Difficulties in modelling the high-speed gas-solid flow are discussed, and a heuristic model for the equation of state for the solid flow is developed. This model is incorporated into a Eulerian two-phase fluid model and simulation results are presented. The results indicate the factors affecting the crossing of the particles through the shock front and the existence a particle size limit below which the particles cannot penetrate the shock for the range of charge sizes considered.
Author: Yasuyuki Horie
Publisher: Springer Science & Business Media
ISBN: 3540770801
Category : Science
Languages : en
Pages : 294
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Book Description
This book is the second volume of Solids Volumes in theShockWaveScience and Technology Reference Library. These volumes are primarily concerned with high-pressure shock waves in solid media, including detonation and hi- velocity impact and penetration events. This volume contains four articles. The ?rst two describe the reactive behavior of condensed-phase explosives, and the remaining two discuss the inert, mechanical response of solid materials. The articles are each se- contained, and can be read independently of each other. They o?er a timely reference, for beginners as well as professional scientists and engineers, cov- ing the foundations and the latest progress, and include burgeoning devel- ment as well as challenging unsolved problems. The ?rst chapter, by S. She?eld and R. Engelke, discusses the shock initiation and detonation phenomena of solids explosives. The article is an outgrowth of two previous review articles: “Explosives” in vol. 6 of En- clopedia of Applied Physics (VCH, 1993) and “Initiation and Propagation of Detonation in Condensed-Phase High Explosives” in High-Pressure Shock Compression of Solids III (Springer, 1998). This article is not only an - dated review, but also o?ers a concise heuristic introduction to shock waves and condensed-phase detonation. The authors emphasize the point that d- onation is not an uncontrollable, chaotic event, but that it is an orderly event that is governed by and is describable in terms of the conservation of mass, momentum, energy and certain material-speci?c properties of the explosive.
Author: J. Raymond Bowen
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 632
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Book Description
Author: Gennady I. Kanel
Publisher: Springer Science & Business Media
ISBN: 9780387205724
Category : Science
Languages : en
Pages : 344
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Book Description
One of the main goals of investigations of shock-wave phenomena in condensed matter is to develop methods for predicting effects of explosions, high-velocity collisions, and other kinds of intense dynamic loading of materials and structures. Based on the results of international research conducted over the past 30 years, this book is addressed not only to experts in shock-wave physics, but also to interested representatives from adjacent fields of activity and to students who seek an introduction to the current issues. With that goal in mind, the book opens with a brief account of the theoretical background and a short description of experimental techniques. The authors then progress to a systematic treatment of special topics, some of which have not been fully addressed in the literature to date.
Author: Shiro Kubota
Publisher: Springer Nature
ISBN: 9811953074
Category : Science
Languages : en
Pages : 298
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Book Description
This book presents fundamental theory of shock and detonation waves as well as selected studies in detonation research in Japan, contributed by selected experts in safety research on explosives, development of industrial explosives, and application of explosives. It also reports detonation research in Japan featuring industrial explosives that include ammonium nitrate-based explosives and liquid explosives. Intended as a monographic-style book, it consistently uses technical terms and symbols and creates organic links between various detonation phenomena in application of explosives, fundamental theory of detonation waves, measurement methods, and individual studies. Among other features, the book presents a historical perspective of shock wave and detonation research in Japan, pedagogical materials for young researchers in detonation physics, and an introduction to works in Japan, including equations of state, which are worthy of attention but about which very little is known internationally. Further, the concise pedagogical chapters also characterize this book as a primer of detonation of condensed explosives and help readers start their own research.
