Chemical Dynamics Studies Of Reactions In Energetic Materials
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Chemical Dynamics Studies of Reactions in Energetic Materials
| Author | : |
| Publisher | : |
| Total Pages | : 19 |
| Release | : 1993 |
| Genre | : |
| ISBN | : |
We have carried out a research program to investigate the chemical dynamics of unimolecular reactions in large polyatomic molecules. The purpose of the studies is an improved understanding of the fundamental behavior of highly excited, reactive molecules, with an emphasis on energetic materials. We have made some significant progress in extending theoretical chemical dynamics calculations to reactions in large molecules, as illustrated by our explicit, full-dimensional classical dynamics study of the unimolecular decomposition of RDX. Leading up to this study of RDX, we performed a long series of dynamics calculations(2-30) for a variety of molecules to determine the important factors for accurately simulating processes in polyatomic molecules.
Chemical Dynamics Studies of Unimolecular Reactions in Energetic Materials
| Author | : |
| Publisher | : |
| Total Pages | : 9 |
| Release | : 1997 |
| Genre | : |
| ISBN | : |
Research performed over the period August 1, 1992 to July 31, 1996 supported by the U.S. Army Research Office (Grant number; DAAL03-92-G-0358) is described. This research project was concerned with the development of methods and simulations to study the unimolecular reaction dynamics of polyatomic molecules of interest as energetic materials. The research consisted of classical dynamics studies of the fundamental dynamics, mode selectivity, IVR in highly excited polyatomic molecules, and simulations of unimolecular reactions. Much of the effort was devoted to developing an improved potential energy surface to describe the unimolecular dissociation of RDX (hexahydro-1-3-5-trinitro-s-triazine).
Energetic Materials
| Author | : |
| Publisher | : Elsevier |
| Total Pages | : 475 |
| Release | : 2003-11-21 |
| Genre | : Science |
| ISBN | : 0080530915 |
This volume provides an overview of current research and recent advances in the area of energetic materials, focusing on explosives and propellants. The contents and format reflect the fact that theory, experiment and computation are closely linked in this field. The challenge of developing energetic materials that are less sensitive to accidental stimuli continues to be of critical importance. This volume opens with discussions of some determinants of sensitivity and its correlations with various molecular and crystal properties. The next several chapters deal in considerable detail with different aspects and mechanisms of the initiation of detonation, and its quantitative description. The second half of this volume focuses upon combustion. Extensive studies model ignition and combustion, with applications to different propellants. The final chapter is an exhaustive computational treatment of the mechanism and kinetics of combustion initiation reactions of ammonium perchlorate. Overall, this volume illustrates the progress that has been made in the field of energetic materials and some of the areas of current activity. It also indicates the challenges involved in characterizing and understanding the properties and behaviour of these compounds. The work is a unique state-of-the-art treatment of the subject, written by pre-eminent researchers in the field. - Overall emphasis is on theory and computation, presented in the context of relevant experimental work - Presents a unique state-of-the-art treatment of the subject - Contributors are preeminent researchers in the field
Static Compression of Energetic Materials
| Author | : Suhithi M. Peiris |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 340 |
| Release | : 2009-01-03 |
| Genre | : Science |
| ISBN | : 3540681515 |
Developing and testing novel energetic materials is an expanding branch of the materials sciences. Reaction, detonation or explosion of such materials invariably produce extremely high pressures and temperatures. To study the equations-of-state (EOS) of energetic materials in extreme regimes both shock and static high pressure studies are required. The present volume is an introduction and review of theoretical, experimental and numerical aspects of static compression of such materials. Chapter 1 introduces the basic experimental tool, the diamond anvil pressure cell and the observational techniques used with it such as optical microscopy, infrared spectrometry and x-ray diffraction. Chapter 2 outlines the principles of high-nitrogen energetic materials synthesis. Chapters 3 and 4, examine and compare various EOS formalisms and data fitting for crystalline and non-crystalline materials, respectively. Chapter 5 details the reaction kinetics of detonating energetic materials. Chapter 6 investigates the interplay between static and dynamic (shock) studies. Finally, Chapters 7 and 8 introduce numerical simulations: molecular dynamics of energetic materials under either hydrostatic or uni-axial stress and ab-inito treatments of defects in crystalline materials. This timely volume meets the growing demand for a state-of-the art introduction and review of the most relevant aspects of static compression of energetic materials and will be a valuable reference to researchers and scientists working in academic, industrial and governmental research laboratories.
Advances in Chemical Reaction Dynamics
| Author | : Peter M. Rentzepis |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 608 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9400947348 |
This book contains the formal lectures and contributed papers presented at the NATO Advanced Study Institute on. the Advances in Chemical Reaction Dynamics. The meeting convened at the city of Iraklion, Crete, Greece on 25 August 1985 and continued to 7 September 1985. The material presented describes the fundamental and recent advances in experimental and theoretical aspects of, reaction dynamics. A large section is devoted to electronically excited states, ionic species, and free radicals, relevant to chemical sys tems. In addition recent advances in gas phase polymerization, formation of clusters, and energy release processes in energetic materials were presented. Selected papers deal with topics such as the dynamics of electric field effects in low polar solutions, high electric field perturbations and relaxation of dipole equilibria, correlation in picosecond/laser pulse scattering, and applications to fast reaction dynamics. Picosecond transient Raman spectroscopy which has been used for the elucidation of reaction dynamics and structural changes occurring during the course of ultrafast chemical reactions; propagation of turbulent flames and detonations in gaseous· energetic systems are also discussed in some detail. In addition a large portion of the program was devoted to current experimental and theoretical studies of the structure of the transition state as inferred from product state distributions; translational energy release in the photodissociation of aromatic molecules; intramolecu lar and intraionic dynamic processes.
Chemistry of Energetic Materials
| Author | : George A. Olah |
| Publisher | : Academic Press |
| Total Pages | : 225 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323138071 |
The study of energetic materials is emerging from one primarily directed toward practical interests to an advanced area of fundamental research, where state-of-the-art methods and theory are used side by side with modern synthetic methods. This timely book integrates the recent experimental, synthetic, and theoretical research of energetic materials. Editors George Olah and David Squire emphasize the importance of structure and mechanism in determining properties and performances. They also explore new spectrometric methods and synthetic approaches in this useful reference. - Discusses structural analysis by x-ray crystallography - Explains chemical dynamics by photofragmentation translational spectroscopy - Covers kinetic analysis by ultrafast absorption and emission spectroscopy - Details syntheses of polycyclic caged amines, fuel additives, and polynitro compounds - Examines computer-aided design of monopropellants - Includes contributions by two Nobel laureates and five members of the National Academy of Sciences
Chemistry and Physics of Energetic Materials
| Author | : S.N. Bulusu |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 756 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9400920350 |
This book represents a collection of lectures presented at the NATO Advanced study Institute(ASI) on "Chemistry & Physics of the Molecular Processes in Energetic Materials", held at Hotel Torre Normanna, Altavilla Milicia, Sicily, Italy, September 3 to 15, 1989. The institute was attended by seventy participants including twenty lecturers, drawn from thirteen countries. The purpose of the institute was to review the major ad vances made in recent years in the theoretical and experi mental aspects of explosives and propellants. In accordance with the format of the NATO ASI, it was arranged to have a relatively small number of speakers to present in depth, re view type lectures emphasizing the basic research aspects of the subject, over a two week period. Most of the speakers gave two lectures, each in excess of one hour with addition al time for discussions. The scope of the meeting was limit ed to molecular and spectroscopic studies since the hydro dynamic aspects of detonation and various performance crite ria of energetic materials are often covered adequately in other international meetings. An attempt was made to have a coherent presentation of various theoretical, computational and spectroscopic approaches to help a better understanding of energetic materials from a molecular point of view. The progress already made in these areas is such that structure property (e. g.
Static Compression of Energetic Materials
| Author | : Suhithi M. Peiris |
| Publisher | : Springer |
| Total Pages | : 330 |
| Release | : 2008-12-10 |
| Genre | : Science |
| ISBN | : 9783540681465 |
Developing and testing novel energetic materials is an expanding branch of the materials sciences. Reaction, detonation or explosion of such materials invariably produce extremely high pressures and temperatures. To study the equations-of-state (EOS) of energetic materials in extreme regimes both shock and static high pressure studies are required. The present volume is an introduction and review of theoretical, experimental and numerical aspects of static compression of such materials. Chapter 1 introduces the basic experimental tool, the diamond anvil pressure cell and the observational techniques used with it such as optical microscopy, infrared spectrometry and x-ray diffraction. Chapter 2 outlines the principles of high-nitrogen energetic materials synthesis. Chapters 3 and 4, examine and compare various EOS formalisms and data fitting for crystalline and non-crystalline materials, respectively. Chapter 5 details the reaction kinetics of detonating energetic materials. Chapter 6 investigates the interplay between static and dynamic (shock) studies. Finally, Chapters 7 and 8 introduce numerical simulations: molecular dynamics of energetic materials under either hydrostatic or uni-axial stress and ab-inito treatments of defects in crystalline materials. This timely volume meets the growing demand for a state-of-the art introduction and review of the most relevant aspects of static compression of energetic materials and will be a valuable reference to researchers and scientists working in academic, industrial and governmental research laboratories.
Energetic Materials
| Author | : John R. Sabin |
| Publisher | : Academic Press |
| Total Pages | : 357 |
| Release | : 2014-02-10 |
| Genre | : Science |
| ISBN | : 0128004509 |
Advances in Quantum Chemistry presents surveys of current topics in this rapidly developing field that has emerged at the cross section of the historically established areas of mathematics, physics, chemistry, and biology. It features detailed reviews written by leading international researchers. This volume focuses on the theory of heavy ion physics in medicine. This volume presents a series of articles concerning current important topics in quantum chemistry. The invited articles are written by the best people in the field
