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Compilation of abstracts from the conference entitled International Colloquium: Advances in Experimentation & Computation of Detonations. Demands on engines used for propulsion and stationary power are increasing, since current applications involve extreme operating conditions and wide variations in load. While performance is the key focus on propulsion engines, fuel cost and hence lower specific fuel consumption is the driving factor for stationary engines. Though piston engines are extensively used, gas turbines have taken the lead as primary engines for air, sea and land power plant operations. It is time to focus our attention on alternate engine concepts. Considering the rapid energy release, flexibility, easy scalability, and low fuel consumption, engines based on pulsed detonation waves offer a significant potential. Further multi tube detonation engine with controlled sequential detonations might provide thrust vectoring without external mechanisms. Though detonation phenomena and its various aspects have been studied extensively over the past several decades, and have been utilized in devices, application of detonation to propulsion or stationary power engines is not yet realized. There has been a global resurgence on applied detonation research focussing on propulsion engines. However funds for research and development have been frugal globally, and have been decreasing. So it is timely and appropriate to review the accomplishments in detonation research, disseminate the current state of the art, and to plan for future cooperative efforts that can bring back substantial return for research investment. With this in mind, we have organized the International Colloquium on Advances in Experimentation & Computation of Detonations.
This document contains twenty-four selected papers presented at the International Colloquium on Advanced Experimentation & Computation of Detonations, September 14-17 1998, St. Petersburg, Russia. The papers discuss recent advances made in understanding detonation wave initiation, propagation, mitigation and control through experimental and computational studies. The book contains five Parts: Detonation Initiation, Detonation Wave Structure and Propagation, Detonation Mitigation and Control, Applications of Detonation Phenomena, and Detonability of Advanced Fuels. The volume is intended to be a tool to explore the international state of the art and an avenue for further follow-up for the researchers and practicing engineers.
This book discusses physical and mathematical models, numerical methods, computational algorithms and software complexes, which allow high-precision mathematical modeling in fluid, gas, and plasma mechanics; general mechanics; deformable solid mechanics; and strength, destruction and safety of structures. These proceedings focus on smart technologies and software systems that provide effective solutions to real-world problems in applied mechanics at various multi-scale levels. Highlighting the training of specialists for the aviation and space industry, it is a valuable resource for experts in the field of applied mathematics and mechanics, mathematical modeling and information technologies, as well as developers of smart applied software systems.
Comprehensive review of detonation explores the "simple theory" and experimental tests of the theory; flow in a reactive medium; steady detonation; the nonsteady solution; and the structure of the detonation front. 1979 edition.
This work marks a stage in the evolution of a scientific and technical field which has been developed by the Commissariat a l'Energie Atomique (CEA) over several decades. Many members of the staff of the CEA have won re nown in this field, and their work has brought it to the high degree of excel lence for which it is internationally recognized today. These scientists had to consider every aspect of the field, as it concerned: modeling, which has recourse to fluid thermodynamics, molecular phys ics, and chemistry; numerical evaluation, which relies on mathematical analysis and data processing; and experiments in the firing area, which require specific stress generators and instrumentation. Whilst this book is a testament to the activity and success of staff of the CEA, it also reviews a number ofthe advances made in the discipline. How ever, it is not intended to be an exhaustive account of those advances; it is assumed that the reader can, if desired, consult the standard monographs, and more recent, more specialized works (notably W.C. Davis and W. Fickett, and C.L. Mader). The history of the discipline is interesting in itself, and also as an illustra tion of the causes which lead to progress in a coherent body of scientific work. I should like to make some comments on this progress, of which there is a fascinating summary in the introduction, and which will figure largely throughout the work.
Authored by some of the most prestigious international researchers, this book contains 21 papers that address five general categories of combustion science: flame theory, heterogeneous combustion, unsteady and cellular combustion, turbulent combustion, and explosions and detonations. The book is dedicated to Yakov B. Zel'dovich, an eminent researcher known for his theoretical works on combustion and detonation, who served as the first chairman of the Scientific Council of the Academy of Sciences of the USSR. The first five papers give an important perspective of the developments in flame theory, and the critical role that Zel'dovich played in them. The second section examines the issues of heterogeneous combustion and the recent advances in the field. Material dealing with unsteady cellular combustion is addressed in the third section, and the fourth investigates turbulent combustion. The final section treats the subjects of detonations and explosions.