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Influence If Alumina Particles Heterogeneity On Particle Sizing And Radiative Properties Evaluation In Solid Rocket Plumes
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Book Synopsis Influence If Alumina Particles Heterogeneity on Particle Sizing and Radiative Properties Evaluation in Solid Rocket Plumes by : I. Hespel
Download or read book Influence If Alumina Particles Heterogeneity on Particle Sizing and Radiative Properties Evaluation in Solid Rocket Plumes written by I. Hespel and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characteristics of Alumina Particles from Solid Rocket Motor Exhaust in the Stratosphere by :
Download or read book Characteristics of Alumina Particles from Solid Rocket Motor Exhaust in the Stratosphere written by and published by . This book was released on 1995 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on currently available data, a unified model for the particle size distribution, particle density, and geometrical dispersion for the alumina particles in the exhaust of a Titan SRM plume in the stratosphere is presented. The particle size distribution is found to be trimodal with Sauter mean diameters of 0.056, 1.0, and 3.6 um for the small, medium, and large size modes, respectively. Nearly all the particles lie within the small size mode, but nearly all the mass lies in the large size mode. About two-thirds of the particle surface area available for heterogeneous chemical reactions is due to the large particle mode while most of the remaining surface area is due to the small particle mode. The light scattering characteristics of the plume were also explored. Mie scattering calculations were used to predict the local attenuation of the plume as a function of wavelength and the total attenuation of a beam of radiation through the plume making an arbitrary angle with respect to the axis of the plume and as a function of time after SRM passage for several wavelengths in ultraviolet, visible, and infrared spectral regions. These studies show that most of the attenuation is due to the large-size mode. An expression for the volume density of total area of the particles is derived in terms of known parameters and the Sauter mean diameter. Mie theory is then used to show that this Sauter mean diameter can be measured using a two-color transmissometer.
Author :Frederick S. Simmons Publisher :AIAA (American Institute of Aeronautics & Astronautics) ISBN 13 : Total Pages :312 pages Book Rating :4.3/5 (91 download)
Book Synopsis Rocket Exhaust Plume Phenomenology by : Frederick S. Simmons
Download or read book Rocket Exhaust Plume Phenomenology written by Frederick S. Simmons and published by AIAA (American Institute of Aeronautics & Astronautics). This book was released on 2000 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book deals with the phenomenology of rocket exhaust plumes as the targets of space-based surveillance systems. Topics include the physical and chemical processes in rocket engines and their exhaust plumes, particularly in regard to flow properties, gas dynamics, and radiative mechanisms that are responsible for the generation of emission in rocket exhaust plumes at infrared and other wavelengths. System designers in a number of defense-related areas will be able to put the information in this book to immediate use.
Book Synopsis Journal of Thermophysics and Heat Transfer by :
Download or read book Journal of Thermophysics and Heat Transfer written by and published by . This book was released on 1996 with total page 1390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This journal is devoted to the advancement of the science and technology of thermophysics and heat transfer through the dissemination of original research papers disclosing new technical knowledge and exploratory developments and applications based on new knowledge. It publishes papers that deal with the properties and mechanisms involved in thermal energy transfer and storage in gases, liquids, and solids or combinations thereof. These studies include conductive, convective, and radiative modes alone or in combination and the effects of the environment.
Book Synopsis Adsorption and Chemical Reaction of Gaseous Mixtures of Hydrogen Chloride and Water on Aluminum Oxide and Application to Solid-propellant Rocket Exhaust Clouds by : Wesley R. Cofer
Download or read book Adsorption and Chemical Reaction of Gaseous Mixtures of Hydrogen Chloride and Water on Aluminum Oxide and Application to Solid-propellant Rocket Exhaust Clouds written by Wesley R. Cofer and published by . This book was released on 1978 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Rocket Propulsion by : Luigi T. De Luca
Download or read book Chemical Rocket Propulsion written by Luigi T. De Luca and published by Springer. This book was released on 2016-08-19 with total page 1069 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developed and expanded from the work presented at the New Energetic Materials and Propulsion Techniques for Space Exploration workshop in June 2014, this book contains new scientific results, up-to-date reviews, and inspiring perspectives in a number of areas related to the energetic aspects of chemical rocket propulsion. This collection covers the entire life of energetic materials from their conceptual formulation to practical manufacturing; it includes coverage of theoretical and experimental ballistics, performance properties, as well as laboratory-scale and full system-scale, handling, hazards, environment, ageing, and disposal. Chemical Rocket Propulsion is a unique work, where a selection of accomplished experts from the pioneering era of space propulsion and current technologists from the most advanced international laboratories discuss the future of chemical rocket propulsion for access to, and exploration of, space. It will be of interest to both postgraduate and final-year undergraduate students in aerospace engineering, and practicing aeronautical engineers and designers, especially those with an interest in propulsion, as well as researchers in energetic materials.
Book Synopsis Application of Genetic Algorithms to In Situ Particle Sizing by :
Download or read book Application of Genetic Algorithms to In Situ Particle Sizing written by and published by . This book was released on 1997 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particulates in the solid rocket exhaust plume cause rocket base heating, motor performance losses, and determine the plume spectral properties. The particle properties that contribute to these effects are the particle size distribution function (PSDF), emissivity, density, and surface tension. Of the four, the PSDF and emissivity are not very well known. Until an adequate model is developed for the PSDF and emissivity, in situ measurements will have to be made. This report reviews the motivation behind the design and development of an in situ optical probe, and discusses the development of the theory needed to make the measurements of the optical properties. It also develops an estimate of the sampling time required to make the measurements statistically meaningful. Consideration is given to the effects that the optical properties play in the scattering of light by the particles and scanning angles, and incident polarizations were chosen that would minimize these effects. PSDF is discussed, with recognition given to the degree of difficulty in applying analytic methods. Various optimization methods are discussed, especially Genetic Algorithms (GA). The report closes on the note that the PSDF was discernible by transforming it into the equivalent integrated mass distribution (IMD), and recommendations are given as to further improvements in the GA approach.
Book Synopsis Rocket Plume Radiation Due to Interactions with the Atmosphere. Volume III. Plume Radiance Predictions for Athena H Second and Third Stage Boosters by : Thomas J. Rieger
Download or read book Rocket Plume Radiation Due to Interactions with the Atmosphere. Volume III. Plume Radiance Predictions for Athena H Second and Third Stage Boosters written by Thomas J. Rieger and published by . This book was released on 1973 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Predictions of the plume radiance and radiant intensity in the infrared were made for the plumes produced by Athena H second and third stages. Predictions of both the radiance due to emission from the alumina particles produced by these solid propellant engines were calculated. For both stages it was found that the emission from the alumina particles completely dominated the gaseous emission. (Author).
Book Synopsis Validation and Implementation of Optical Diagnostics for Particle Sizing in Rocket Motors by : Paul V. Gomes
Download or read book Validation and Implementation of Optical Diagnostics for Particle Sizing in Rocket Motors written by Paul V. Gomes and published by . This book was released on 1993 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminum oxide(Al2O3) particles of known size distribution were cast into a solid propellant which burned at temperatures less than the melting point of Al2O3. Thus, particles of known size distribution existed at the nozzle inlet and in the plume. Malvern particle sizing instruments were used to make measurements at these two location using a windowed subscale motor and the results were compared to the known distribution. In the motor, measurements were limited due to disruptive flow from the window purge gas. However, the unaffected larger modes were properly measured. In the plume, the measurements of the modes were quite accurate, but low signal strength resulted in some inaccuracies for the mass contained in each mode. A phase Doppler particle analyzer was adapted to an existing plume probe. Initial measurements at two radial locations were in good agreement with the expected size distribution.
Book Synopsis Analysis of Mechanisms and Nature of Radiation from Aluminium Oxide in Different Phase States in Solid Rocket Exhaust Plumes by : N. A. Anfimov
Download or read book Analysis of Mechanisms and Nature of Radiation from Aluminium Oxide in Different Phase States in Solid Rocket Exhaust Plumes written by N. A. Anfimov and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Velocity Measurements of Flame-sprayed Aluminum Oxide Particles by : Dwight G. Moore
Download or read book Velocity Measurements of Flame-sprayed Aluminum Oxide Particles written by Dwight G. Moore and published by . This book was released on 1960 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation of the Radiative Properties of Solid and Molten Aluminum Oxide Particles by : Edward Julius Mularz
Download or read book An Experimental Investigation of the Radiative Properties of Solid and Molten Aluminum Oxide Particles written by Edward Julius Mularz and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Rocket Propulsion by : DP Mishra
Download or read book Fundamentals of Rocket Propulsion written by DP Mishra and published by CRC Press. This book was released on 2017-07-20 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book follows a unified approach to present the basic principles of rocket propulsion in concise and lucid form. This textbook comprises of ten chapters ranging from brief introduction and elements of rocket propulsion, aerothermodynamics to solid, liquid and hybrid propellant rocket engines with chapter on electrical propulsion. Worked out examples are also provided at the end of chapter for understanding uncertainty analysis. This book is designed and developed as an introductory text on the fundamental aspects of rocket propulsion for both undergraduate and graduate students. It is also aimed towards practicing engineers in the field of space engineering. This comprehensive guide also provides adequate problems for audience to understand intricate aspects of rocket propulsion enabling them to design and develop rocket engines for peaceful purposes.
Book Synopsis In-situ Measurements of Alumina Particle Size and Optical Constants in Composite Solid Propellant Flames by : Q. Brewster
Download or read book In-situ Measurements of Alumina Particle Size and Optical Constants in Composite Solid Propellant Flames written by Q. Brewster and published by . This book was released on 1987 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Rocket Exhaust Particles by :
Download or read book A Study of Rocket Exhaust Particles written by and published by . This book was released on 1910 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The exhaust -plumes generated by rocket motors are of significant military importance for missile detection, recognition and communication due to their electromagnetic emission and propagation properties. The plume is a high temperature, high velocity stream of gas and particles, into which the surrounding air is entrained. With improvements in the modelling of plume gas chemistry and turbulence, particles present in the plume have become more important in the computational prediction of the plume's flow field, and the subsequent prediction of plume emission and propagation characteristics. This thesis describes research on plume particles, including the measurement of their physical characteristics and the addition of two phase coding (ie. particles) into current plume prediction software. Particle collections were carried out in plumes produced by rocket motors with double base and composite propellants (including aluminised). The collected particles were analysed to establish their chemical composition and size distribution. A laser Doppler anemometer system was successfully used to measure particle velocities in the plumes of 1.5kN double base motors. Particle tracking software was used to trace the paths of particles using a simplified prediction of the plume and it was found that the predicted particle behaviour was analogous to that measured experimentally. Project management software was used during the research and its relevance was assessed in respect to the project's size and nature. The management of experimental trials was studied and a methodology formulated to help improve their future operation. The costs and benefits of the research were assessed and compared to other research projects. Many of the benefits gained, such as measurement techniques, require marketing to ensure that they are exploited in the future. Recommendations for future research are given that should enhance the present work.
Book Synopsis Particle Size Measurement of Aluminium Oxide in a Solid Propellant Rocket Exhaust by : Alan Rose
Download or read book Particle Size Measurement of Aluminium Oxide in a Solid Propellant Rocket Exhaust written by Alan Rose and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combustion of Single and Agglomerated Aluminum Particles in Solid Rocket Motor Flows by : John Charles Melcher (IV.)
Download or read book Combustion of Single and Agglomerated Aluminum Particles in Solid Rocket Motor Flows written by John Charles Melcher (IV.) and published by . This book was released on 2001 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
