Effects Of Nano Sized Energetic Ingredients In High Performance Solid Gun Propellants
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Effects Of Nano Sized Energetic Ingredients In High Performance Solid Gun Propellants
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Author :
language : en
Publisher:
Release Date : 2006
Effects Of Nano Sized Energetic Ingredients In High Performance Solid Gun Propellants written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Unique propellant configurations, such as fast-core designs, require a layered propellant with tailored burn rate. The use of these layered propellants is expected to improve the energy management during the ballistic cycle and hence increase the muzzle velocity. These new propellants under development have different thermochemistry from that of traditional nitrocellulose-based propellants. The layered propellant is typically stacked as laminated disks in the cartridge chamber. Layered propellants (also called fast-core propellants) consist of an inner layer of fast burning high-impetus propellant imbedded in two layers of slower burning low-impetus propellant. Propellant geometries are tightly controlled such that the fast burning inner-core layer does not start burning until the volume available has slightly increased due to the projectile motion. This allows the pressure to be maintained at a high level for a relatively long duration. Advances in energetic materials have been made in all types of composite propellant ingredients, including binders, oxidizers, and metal additives. Special processing techniques of functionally graded energetic materials have also been developed in recent years. The goal of this study is to develop a pair of layered propellants through a "materials-by-design" approach for use in a fast-core gun propulsion application. A pair of baseline propellants was initially developed and named as ME (moderate energy) propellant with a relatively slow burning rate and HE (high-energy) propellant with a fast burning rate. Modifications of these propellants with different ingredients have been made such that the burning rate ratio between fast and slow burning propellants is suitable for use in applications requiring layered propellants (~ 3:1).
Nanotechnology For Defence Applications
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Author : Narendra Kumar
language : en
Publisher: Springer Nature
Release Date : 2019-11-01
Nanotechnology For Defence Applications written by Narendra Kumar and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-01 with Technology & Engineering categories.
This book examines the application of nanoscience and nanotechnology in military defence strategies. Both historical and current perspectives on military technologies are discussed. The book provides comprehensive details on current trends in the application of nanotechnology to ground, air, and naval specializations. Furthermore, nanotechnology-enabled high energy explosives and propellants, chemical, biological, radiation, and nuclear threats and their detection/protection, and camouflage and stealth for signature management of military targets in multispectral wavelength signals are analyzed. The book also covers nanotechnology-enabled armor and platforms, which may serve as lightweight and high mechanical strength options in contrast to conventional systems. Finally, the book also emphasizes future military applications of nanotechnology and its integration into ‘smart’ materials. Provides comprehensive details on trends in the application of nanotechnology to ground, air, and naval defence systems; Examines the application of nanoscience and nanotechnology in military defence strategies; Offers pathways and research avenues for development of nanotechnology and materials applications in military capacities.
Innovative Energetic Materials Properties Combustion Performance And Application
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Author : WeiQiang Pang
language : en
Publisher: Springer Nature
Release Date : 2020-07-04
Innovative Energetic Materials Properties Combustion Performance And Application written by WeiQiang Pang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-04 with Technology & Engineering categories.
This book focuses on the combustion performance and application of innovative energetic materials for solid and hybrid space rocket propulsion. It provides a comprehensive overview of advanced technologies in the field of innovative energetic materials and combustion performance, introduces methods of modeling and diagnosing the aggregation/agglomeration of active energetic metal materials in solid propellants, and investigates the potential applications of innovative energetic materials in solid and hybrid propulsion. In addition, it also provides step-by-step solutions for sample problems to help readers gain a good understanding of combustion performance and potential applications of innovative energetic materials in space propulsion. This book serves as an excellent resource for researchers and engineers in the field of propellants, explosives, and pyrotechnics.
Fast Reactions In Energetic Materials
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Author : Alexander S. Shteinberg
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-09-26
Fast Reactions In Energetic Materials written by Alexander S. Shteinberg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-26 with Science categories.
Modern energetic materials include explosives, blasting powders, pyrotechnic m- tures and rocket propellants [1, 2]. The study of high-temperature decomposition of condensed phases of propellants and their components (liquid, solid and hybrid) is currently of special importance for the development of space-system engineering [3, 4]. To better understand the burning mechanisms (stationary, nonstationary, - steady) of composite solid propellants and their components, information about the macrokinetics of their high-temperature decomposition is required [5]. To be able to evaluate the ignition parameters and conditions of safe handling of heat-affected explosives, one needs to know the kinetic constants of their high-temperature - composition. The development of new composite solid propellants characterized by high performance characteristics (high burning rates, high thermal stability, stability to intrachamber perturbations, and other aspects) is not possible without quanti- tive data on the high-temperature decomposition of composite solid propellants and their components [6]. The same reasons have resulted in signi?cant theoretical and practical interest in the high-temperature decomposition of components of hybrid propellants. It is known that hybrid propellants have not been used very widely due to the low bu- ing (pyrolysis) rates of the polymer blocks in the combustion chambers of hybrid rocket engines. To increase the burning rates it is necessary to obtain information about their relationships to the corresponding kinetic and thermophysical prop- ties of the fuels.
Dynamic Behavior Of Nano Sized Particles In Novel Energetic Materials For Space Propulsion
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Author :
language : en
Publisher:
Release Date : 2009
Dynamic Behavior Of Nano Sized Particles In Novel Energetic Materials For Space Propulsion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
We report a comprehensive computational and experimental program investigating the characteristics and dynamic behavior of nano-size aluminum in novel energetic materials. For the computational portion, we employed (1) our in-house packing code, Rocpack, to generate morphologies of interest for heterogeneous propellants; (2) modified our solid rocket motor CFD code, Rocstar, to include appropriate models for chemistry, radiation, and nano-sized aluminum; and (3) simulated transient behavior of the propellants at rocket motor conditions. For the experimental portion, we (4) used the mixing facility at Purdue University to prepare appropriate propellant samples containing nano-sized aluminum, thus allowing for a full characterization of the propellant (composition; particle size distribution) necessary for a coordinated modeling and experimental program; and (5) carried out both steady and unsteady experiments to fully characterize the propellants. Our R & D program investigated the applicability of the Rocstar simulation framework for novel energetic high-density propellants, sought to establish the feasibility of an experimental validation program for these propellants, and provides a firm a foundation for commercializing the simulation software. The simulations were performed at lllinoisRocstar LLC and the experiments were performed at Purdue.
Energetic Nanomaterials
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Author : Vladimir E Zarko
language : en
Publisher: Elsevier
Release Date : 2016-01-21
Energetic Nanomaterials written by Vladimir E Zarko and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-21 with Science categories.
Energetic Nanomaterials: Synthesis, Characterization, and Application provides researchers in academia and industry the most novel and meaningful knowledge on nanoenergetic materials, covering the fundamental chemical aspects from synthesis to application. This valuable resource fills the current gap in book publications on nanoenergetics, the energetic nanomaterials that are applied in explosives, gun and rocket propellants, and pyrotechnic devices, which are expected to yield improved properties, such as a lower vulnerability towards shock initiation, enhanced blast, and environmentally friendly replacements of currently used materials. The current lack of a systematic and easily available book in this field has resulted in an underestimation of the input of nanoenergetic materials to modern technologies. This book is an indispensable resource for researchers in academia, industry, and research institutes dealing with the production and characterization of energetic materials all over the world. Written by high-level experts in the field of nanoenergetics Covers the hot topic of energetic nanomaterials, including nanometals and their applications in nanoexplosives Fills a gap in energetic nanomaterials book publications
Development Of New Energetic Materials For Advanced Solid Rocket Propellants
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Author :
language : en
Publisher:
Release Date : 1997
Development Of New Energetic Materials For Advanced Solid Rocket Propellants written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
The Integrated High Performance Rocket Propulsion Technology (IHPRPT) Program has set ambitious goals of significant increases in rocket propulsion performance while maintaining acceptable cost and hazards criteria. As part of this effort, Thiokol Corporation has been actively investigating the synthesis, development, and formulation of new energetic ingredients for application in solid rocket propellants. Several new materials under investigation include CL-20 (a new high density nitramine), ADN (a high energy non-chlorine oxidizer), and heterocycle-based high nitrogen compounds. Recent propellant results indicate that attractive hazards properties and ballistic characteristics can be obtained with CL-20 and ADN.
The Elsi Handbook Of Nanotechnology
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Author : Chaudhery Mustansar Hussain
language : en
Publisher: John Wiley & Sons
Release Date : 2020-03-31
The Elsi Handbook Of Nanotechnology written by Chaudhery Mustansar Hussain and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-31 with Technology & Engineering categories.
This Handbook focuses on the recent advancements in Safety, Risk, Ethical Society and Legal Implications (ESLI) as well as its commercialization of nanotechnology, such as manufacturing. Nano is moving out of its relaxation phase of scientific route, and as new products go to market, organizations all over the world, as well as the general public, are discussing the environmental and health issues associated with nanotechnology. Nongovernmental science organizations have long since reacted; however, now the social sciences have begun to study the cultural portent of nanotechnology. Societal concerns and their newly constructed concepts, show nanoscience interconnected with the economy, ecology, health, and governance. This handbook addresses these new challenges and is divided into 7 sections: Nanomaterials and the Environment; Life Cycle Environmental Implications of Nanomanufacturing; Bioavailability and Toxicity of Manufactured Nanoparticles in Terrestrial Environments; Occupational Health Hazards of Nanoparticles; Ethical Issues in Nanotechnology; Commercialization of Nanotechnology; Legalization of Nanotechnology.
Synthetic Directions In New Energetic Materials For Advanced Solid Rocket Propellants
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Author :
language : en
Publisher:
Release Date : 1999
Synthetic Directions In New Energetic Materials For Advanced Solid Rocket Propellants written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Several programs are currently underway at Thiokol Propulsion which strive to meet or exceed the goals of the Integrated High Performance Rocket Propulsion Technology (IHPRPT) Program. The three major program efforts are: the completed Advanced Oxidizers and Fuels Program, in which was synthesized and evaluated a series of new ingredients for solid rocket propellants; the current Hybrid Fuel Program, which will produce fuels that complement the Tactical Hybrid Rocket Engine Applied Technology (THREAT) Program design and proposed advanced oxidizer; and the current Phase III Ingredient Program, which strives to identify novel, high performance, solid propellant ingredients for boost and orbit transfer applications. All three programs have already undergone down-selection from myriad of possible compounds to a much more workable number of candidates for synthetic consideration.
Nanomaterials In Rocket Propulsion Systems
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Author : Qi-Long Yan
language : en
Publisher: Elsevier
Release Date : 2018-10-16
Nanomaterials In Rocket Propulsion Systems written by Qi-Long Yan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-16 with Science categories.
Nanomaterials in Rocket Propulsion Systems covers the fundamentals of nanomaterials and examines a wide range of innovative applications, presenting the current state-of-the-art in the field. Opening with a chapter on nano-sized energetic materials, the book examines metal nanoparticles-based fuels, ballistic modifiers, stabilizers and catalysts as the components of rocket propellants. Hydrogen storage materials for rocket propulsion based on nanotubes are then discussed, as are nano-porous materials and metal organic frameworks, nano-gelled propellants, nano-composite ablators and ceramic nano-composites. Other applications examined include high thermal conductivity metallic nano-composite nozzle liners, nano-emitters for Coulomb propulsion of space-crafts, and highly thermostable nano-ceramics for rocket motors. The book finishes with coverage of combustion of nano-sized rocket fuels, nano-particles and their combustion in micro- and nano-electromechanical systems (MEMS/NEMS), plasma propulsion and nano-scale physics. Users will find this to be a valuable resource for academic and government institutions, professionals, new researchers and graduate students working in the application of nanomaterials in the aerospace industry. Provides a detailed overview of different types of nanomaterials used in rocket propulsion, highlighting different situations in which different materials are used Demonstrates the use of new nanomaterial concepts, allowing for an increase in payload capacity or a decrease in launch mass Explores a range of applications using metal nanopowders, presenting a panorama on cutting-edge, technological developments