Mechanism Of Combustion Of Heterogeneous Solid Propellants

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Mechanism of Combustion of Heterogeneous Solid Propellants

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (455 download)

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Download or read book Mechanism of Combustion of Heterogeneous Solid Propellants written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the research is to establish the processes in solid propellant combustion that control steady and nonsteady combustion rate (composite propellants). The practical goal is to: 1. Tailor burning rate by variation of formulation (oxidizer particle size, ballistic modifiers, and choice of binders). This includes learning what processes lead to low or negative sensitivity of burning rate to pressure increase (plateau and mesa burning). 2. Determine steps in the combustion process that are most responsive to oscillatory flows (combustion instability). 3. Evaluate the combustion characteristics of new oxidizer and binder ingredients, and of propellants that include new ingredients (and compare results with those of AP oxidizer and Ap/hydrocarbon binder propellants). 4. Develop a realistic qualitative model of the combustion process that would identify the requirements for formulation of realistic analytical models.

Combustion Mechanisms of Heterogeneous Solid Propellants

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)

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Download or read book Combustion Mechanisms of Heterogeneous Solid Propellants written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bulk of the research on this contract was concerned with the mechanisms that cause plateau burning of ammonium perchlorate/hydrocarbon (AP/HC) propellants. The long range goal is to identify the steps in the combustion process that dominate overall burning, and in particular to understand which of these steps in the combustion process lead to plateau burning. Burning alone, matrixes (mixture of binder, fine AP, and catalysts) almost always burn slower than the bimodal propellant at all pressures. The improved burning with a catalyst is probably due to both increased surface layer heat release and to catalytic break down of the large fuel vapor molecules which cause the flame to stand closer to the surface. Deflagration rate of the large AP particles is always lower than the propellant rate, and contributes little to overall rate, except in close proximity to the matrix where a hot stoichiometric diffusion flame occurs and (apparently) supports the marginal matrix burning, accounting for the higher propellant rate. Observations of local intermittency of burning seem to contribute to the low burning rate associated with plateaus and spontaneous quenches.

Solid Propellant Chemistry Combustion and Motor Interior Ballistics 1999

Author : Vigor Yang
Publisher : AIAA
ISBN 13 : 9781600864377
Total Pages : 1038 pages
Book Rating : 4.8/5 (643 download)

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Book Synopsis Solid Propellant Chemistry Combustion and Motor Interior Ballistics 1999 by : Vigor Yang

Download or read book Solid Propellant Chemistry Combustion and Motor Interior Ballistics 1999 written by Vigor Yang and published by AIAA. This book was released on 2000 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Propellants and Explosives

Author : Naminosuke Kubota
Publisher : John Wiley & Sons
ISBN 13 : 3527693513
Total Pages : 560 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Propellants and Explosives by : Naminosuke Kubota

Download or read book Propellants and Explosives written by Naminosuke Kubota and published by John Wiley & Sons. This book was released on 2015-04-23 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third edition of the classic on the thermochemical aspects of the combustion of propellants and explosives is completely revised and updated and now includes a section on green propellants and offers an up-to-date view of the thermochemical aspects of combustion and corresponding applications. Clearly structured, the first half of the book presents an introduction to pyrodynamics, describing fundamental aspects of the combustion of energetic materials, while the second part highlights applications of energetic materials, such as propellants, explosives and pyrolants, with a focus on the phenomena occurring in rocket motors. Finally, an appendix gives a brief overview of the fundamentals of aerodynamics and heat transfer, which is a prerequisite for the study of pyrodynamics. A detailed reference for readers interested in rocketry or explosives technology.

Nonsteady Burning and Combustion Stability of Solid Propellants

Author : Martin Summerfield
Publisher : AIAA
ISBN 13 : 9781600863967
Total Pages : 922 pages
Book Rating : 4.8/5 (639 download)

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Book Synopsis Nonsteady Burning and Combustion Stability of Solid Propellants by : Martin Summerfield

Download or read book Nonsteady Burning and Combustion Stability of Solid Propellants written by Martin Summerfield and published by AIAA. This book was released on 1992 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals of Solid-propellant Combustion

Author : Kenneth K. Kuo
Publisher :
ISBN 13 :
Total Pages : 922 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Fundamentals of Solid-propellant Combustion by : Kenneth K. Kuo

Download or read book Fundamentals of Solid-propellant Combustion written by Kenneth K. Kuo and published by . This book was released on 1984 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of Flameless Combustion Mechanism of M-2 Double-base Propellant

Author : Cecil Eugene Kirby
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Investigation of Flameless Combustion Mechanism of M-2 Double-base Propellant by : Cecil Eugene Kirby

Download or read book Investigation of Flameless Combustion Mechanism of M-2 Double-base Propellant written by Cecil Eugene Kirby and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat of reaction for flameless combustion of M-2 double-base propellant /20 percent nitroglycerin 77 percent nitrocellulose, 3 percent other ingredients/ at varying pressures.

Solid Propellant Combustion Mechanism Studies

Author : Johan A. Steinz
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Solid Propellant Combustion Mechanism Studies by : Johan A. Steinz

Download or read book Solid Propellant Combustion Mechanism Studies written by Johan A. Steinz and published by . This book was released on 1965 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to explore the limits of validity of the granular diffusion flame theory of solid propellant combustion in the limiting low pressure regime, a systematic study of burning rates and particle size effects has been conducted at subatmospheric pressures. In addition, flame extinction phenomena were explored and flame photographs and chemical analysis of reaction residues were carried out. In connection with the extinction study, a new regime of combustion was discovered for certain polysulfide composite propellants containing fine oxidizer particles. When the flames of these propellants are visibly extinguished by reducing the environmental pressure, a combustion wave continues to propagate through the propellant with the formation of an ash. There are at least two possibilities for interpreting this flameless regression. The first interpretation is that it is evidence of an oxidation reaction taking place at the solid surface or inside the thermal wave. The second interpretation is that the combustion wave in an AP propellant propagates simply as the result of exothermic pyrolysis of the AP without additional heat from subsurface or surface oxidation. (Author).

Heterogeneous Combustion

Author : Hans G. Wolfhard
Publisher : Academic Press
ISBN 13 : 148327683X
Total Pages : 782 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Heterogeneous Combustion by : Hans G. Wolfhard

Download or read book Heterogeneous Combustion written by Hans G. Wolfhard and published by Academic Press. This book was released on 2014-12-03 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in Astronautics and Aeronautics—Volume 15: Heterogeneous Combustion focuses on the processes, reactions, methodologies, and techniques involved in heterogeneous combustion. The selection first offers information on the techniques for the study of combustion of beryllium and aluminum particles, study of quenched aluminum particle combustion, and spectroscopic investigation of metal combustion. Discussions focus on the combustion of metal particles in a hot oxidizing atmosphere, experimental apparatus and procedure, selected examples of residue observations, ignition of beryllium, and photographic study of particle combustion. The text then takes a look at the analytical developments, experimental observations in oxygen atmospheres, and experimental observations in carbon dioxide atmospheres of vapor-phase diffusion flames in the combustion of magnesium and aluminum. The publication ponders on the combustion of elemental boron with fluorine, combustion of pyrolytic boron nitride, characteristics of diborane flames, oxidation of diethyldiborane, and reaction of pentaborane and hydrazine and structure of the adduct. The selection is a dependable reference for readers interested in heterogeneous combustion.

Solid Propellant Rocket Research

Author : Martin Summerfield
Publisher : Elsevier
ISBN 13 : 0323163351
Total Pages : 713 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Solid Propellant Rocket Research by : Martin Summerfield

Download or read book Solid Propellant Rocket Research written by Martin Summerfield and published by Elsevier. This book was released on 2013-11-11 with total page 713 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid Propellant Rocket Research

Fast Reactions in Energetic Materials

Author : Alexander S. Shteinberg
Publisher : Springer Science & Business Media
ISBN 13 : 3540788611
Total Pages : 203 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Fast Reactions in Energetic Materials by : Alexander S. Shteinberg

Download or read book Fast Reactions in Energetic Materials written by Alexander S. Shteinberg and published by Springer Science & Business Media. This book was released on 2008-09-26 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Propellants Manufacture, Hazards, and Testing

Author : Carl Boyars
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Propellants Manufacture, Hazards, and Testing by : Carl Boyars

Download or read book Propellants Manufacture, Hazards, and Testing written by Carl Boyars and published by . This book was released on 1969 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal Decomposition and Combustion of Explosives and Propellants

Author : G.B. Manelis
Publisher : CRC Press
ISBN 13 : 9780415299848
Total Pages : 376 pages
Book Rating : 4.2/5 (998 download)

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Book Synopsis Thermal Decomposition and Combustion of Explosives and Propellants by : G.B. Manelis

Download or read book Thermal Decomposition and Combustion of Explosives and Propellants written by G.B. Manelis and published by CRC Press. This book was released on 2003-01-30 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book investigates the synthesis, kinetics, and thermal decomposition properties and processing of energy-producing materials used in propellants, explosives, pyrotechnic, and gas-generating compositions. Thermal Decomposition and Combustion of Explosives and Propellants provides several mechanisms and stages for the thermal decomposition and combustion reactions of most flammable compounds and their mixtures, such asaliphatic and aromatic nitrocompounds, nitramines, nitroesters, organic azides, furazanes, tetrazols, difluoroamines, polynitrous heterocycles, and onium salts. The authors examine the classic problem of the dependence of explosive activity on molecular structure, using applications to predict the stability, compatibility, and the stabilization of explosives and propellant components. They also offer experimental results examining factors such as subsurface decomposition, evaporation, and dispersion of materials, which can be used to control combustion of condensed systems. Providing several approaches to stability, safety, and controlled combustion of flammable substances, Thermal Decomposition and Combustion of Explosives and Propellants is a multi-dimensional resource for graduate students, researchers and professionals interested in chemical kinetics, the combustion and synthesis of high-energy materials, criminal forensics, and the field of explosives, powders, and solid rocket propellants.

Nanomaterials in Rocket Propulsion Systems

Author : Qi-Long Yan
Publisher : Elsevier
ISBN 13 : 9780128139080
Total Pages : 0 pages
Book Rating : 4.1/5 (39 download)

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Book Synopsis Nanomaterials in Rocket Propulsion Systems by : Qi-Long Yan

Download or read book Nanomaterials in Rocket Propulsion Systems written by Qi-Long Yan and published by Elsevier. This book was released on 2018-10-26 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Solid Propellant Combustion

Author : Paul Vantoch
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Solid Propellant Combustion by : Paul Vantoch

Download or read book Solid Propellant Combustion written by Paul Vantoch and published by . This book was released on 1966 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Combustion Mechanisms of Solid Propellants

Author : E. W. Price
Publisher :
ISBN 13 :
Total Pages : 123 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Combustion Mechanisms of Solid Propellants by : E. W. Price

Download or read book Combustion Mechanisms of Solid Propellants written by E. W. Price and published by . This book was released on 1980 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigation of mechanisms of combustion and combustion zone microstructure continued, using ammonium perchlorate-hydro-carbon binder sandwiches and the quench-burning method to obtain high resolution measurements. Binder-thickness deflagration limits were also determined, and work started on measurement of burning rate vs binder thickness. On the basis of results to date, a modified picture of the combustion zone is proposed that differs sharply from the classical model, particularly in those regions of the sandwich surface that are close enough to the AP-binder interface to correspond to processes in solid propellant combustion. (Author).

Applications of Calorimetry in a Wide Context

Author : Amal Ali Elkordy
Publisher : BoD – Books on Demand
ISBN 13 : 9535109472
Total Pages : 488 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Applications of Calorimetry in a Wide Context by : Amal Ali Elkordy

Download or read book Applications of Calorimetry in a Wide Context written by Amal Ali Elkordy and published by BoD – Books on Demand. This book was released on 2013-01-23 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Calorimetry, as a technique for thermal analysis, has a wide range of applications which are not only limited to studying the thermal characterisation (e.g. melting temperature, denaturation temperature and enthalpy change) of small and large drug molecules, but are also extended to characterisation of fuel, metals and oils. Differential Scanning Calorimetry is used to study the thermal behaviours of drug molecules and excipients by measuring the differential heat flow needed to maintain the temperature difference between the sample and reference cells equal to zero upon heating at a controlled programmed rate. Microcalorimetry is used to study the thermal transition and folding of biological macromolecules in dilute solutions. Microcalorimetry is applied in formulation and stabilisation of therapeutic proteins. This book presents research from all over the world on the applications of calorimetry on both solid and liquid states of materials.