Download or read book Measurement of Temperature Profiles in Burning Solid Propellant written by Richard C. STRITTMATER and published by . This book was released on 1966 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A technique is presented for synchronizing a high speed motion picture record of a small thermocouple emerging from a burning surface with the temperature record from the thermocouple. Experimental results are presented which show the burning surface temperature of M13 double base propellant to be 535C at 200 psig. A heat loss analysis is presented which indicates that the thermocouples used in this study, and in fact, all thermocouples used in temperature profile measurement in burning solid propellants have given temperatures much too low. Suggestions are made for measurement technique which would yield more accurate results. (Author).
Download or read book The Measurement of the Temperature Profiles of Burning Solid Propellants by Microthermocouples written by Alberto J. Sabadell and published by . This book was released on 1963 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of the temperature profile in the solid pre-heat zone and the gaseous combustion zone of burning solid propellants have been made. These temperature profiles have been obtained by allowing solid propellant strands to burn past very fine, embedded thermocouples. Techniques have been developed for the routine fabrication and handling of micro-thermocouples made from platinum-platinum 10% rhodium Wollaston wire with .0003 inch or finer diameter. Thermocouples with bead sizes no larger than 15 microns are cast into composite propellants or glued into double base propellants. With the propellant strand burning in cigarette fashion, the thermal wave passes over the thermocouple. The voltage vs. time trace thus obtained permits the determination of the temperature distribution in the combustion wave. Analysis of this curve gives a method for determining the surface temperature of the propellant. Temperature time records for composite and double base propellants have been obtained under a variety of conditions. (Author).
Download or read book Temperature Measurements Through a Solid Propellant Combustion Wave Using Imbedded Fine Wire Thermocouples written by and published by . This book was released on 1990 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Temperature profile measurements have been measured through the combustion wave of burning solid propellant strands using imbedded fine-wire (75-micron diameter) thermocouples. The techniques necessary to construct, imbed, and measure temperature with this size and type of thermocouple were demonstrated. The experiments were performed at pressures ranging from 100 to 450 psi inside a high-pressure test cell designed for this type of operation. Surface temperature measurements have been estimated from the measured profiles for HMX, AN, and Double-Base propellants. Combustion temperature measurement; Embedding thermocouples; Solid rocket propellants; Ammonium nitrate.
Download or read book Double Base Solid Propellants written by Chenglung Tsai and published by . This book was released on 1969 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Temperature Profile Measurements in Solid Propellant Flames written by David A. Alspach and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Imbedded Thermocouples as a Solid Propellant Combustion Probe written by Martin S. Miller and published by . This book was released on 1985 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent work has shown the feasibility of using combustion zone temperature profiles to obtain overall reaction kinetics for heat release in that zone. Such a procedure gives new motivation to the old interest in measuring temperature profiles through the combustion wave of solid propellants. The only method presently capable of providing a continuous temperature profile from deep within the solid through the dark zone is the imbedded thermocouple technique. A comprehensive review of this technique was, therefore, undertaken in order to evaluate sources of error involved and to make an assessment of the potential for success in deriving overall kinetics from such a measurement. The results of this review along with original calculations of condensed phase response errors are reported herein.
Download or read book MEASUREMENT OF THE BURNING SURFACE TEMPERATURES OF PROPELLANT COMPOSITIONS BY INFRARED EMISSION written by and published by . This book was released on 1962 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of determining the burning surface temperatures of solid propellant compositions by measurement of the infrared emission from the surface is described. Specific wavelengths, at which the solid emission is high and the gas emission is low, were selected for the measurements. Very weak fuel/NH4ClO4 powder mixtures, burning at atmospheric pressure, have a constant surface temperature of 495!15 C irrespective of the burning rate. Practical propellant compositions, containing rather more than stoichiometric proportions of fuel with NH4ClO4, give a similar temperature provided that the hot gas emission can be successfully eliminated, but interference from the gas leads to maximum measured temperatures of about 560 C. The average surface temperature of a double-base propellant increases with burning rate; temperatures range from 300 to 400 C at atmospheric pressure. Binder fuels currently used in composite propellants also have surface temperatures close to 500 C when burning in a diffusion flame with oxygen.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Theory of Solid Propellant Nonsteady Combustion written by Vasily B. Novozhilov and published by John Wiley & Sons. This book was released on 2020-08-21 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite significant developments and widespread theoretical and practical interest in the area of Solid-Propellant Nonsteady Combustion for the last fifty years, a comprehensive and authoritative text on the subject has not been available. Theory of Solid-Propellant Nonsteady Combustion fills this gap by summarizing theoretical approaches to the problem within the framework of the Zeldovich-Novozhilov (ZN-) theory. This book contains equations governing unsteady combustion and applies them systematically to a wide range of problems of practical interest. Theory conclusions are validated, as much as possible, against available experimental data. Theory of Solid-Propellant Nonsteady Combustion provides an accurate up-to-date account and perspectives on the subject and is also accompanied by a website hosting solutions to problems in the book.
Download or read book Heat Transfer in Aerospace Applications written by Bengt Sundén and published by Academic Press. This book was released on 2016-10-19 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat Transfer in Aerospace Applications is the first book to provide an overall description of various heat transfer issues of relevance for aerospace applications. The book contains chapters relating to convection cooling, heat pipes, ablation, heat transfer at high velocity, low pressure and microgravity, aircraft heat exchangers, fuel cells, and cryogenic cooling systems. Chapters specific to low density heat transfer (4) and microgravity heat transfer (9) are newer subjects which have not been previously covered. The book takes a basic engineering approach by including correlations and examples that an engineer needs during the initial phases of vehicle design or to quickly analyze and solve a specific problem. Designed for mechanical, chemical, and aerospace engineers in research institutes, companies, and consulting firms, this book is an invaluable resource for the latest on aerospace heat transfer engineering and research. Provides an overall description of heat transfer issues of relevance for aerospace applications Discusses why thermal problems arise and introduces the various heat transfer modes Helps solve the problem of selecting and calculating the cooling system, the heat exchanger, and heat protection Features a collection of problems in which the methods presented in the book can be used to solve these problems
Download or read book Government wide Index to Federal Research Development Reports written by and published by . This book was released on 1966-10-10 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 37th AIAA ASME SAE ASEE Joint Propulsion Conference Exhibit written by and published by . This book was released on 2001 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spectroscopic Measurements of the Plume Beneath Counter burning Solid Propellant Flames written by Aren D. Haug and published by . This book was released on 2014 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A safety analysis of aluminized solid rocket propellant burning at atmospheric pressure is desired. An attempt is made to simulate propellant levitating above a substrate due to the thrust generated by its plume using a motorized support apparatus. This study investigates the temperatures of the plume and burning aluminum droplets with varying substrates, propellant slug diameters, propellant formulations, and gap heights. Two spectrometers were used to collect broadband and narrowband spectral emissions from the plume underneath and immediately adjacent to the propellant-substrate gap. Spectral data were collected as the apparatus passed horizontally through the gap in order to characterize temperatures as a function of flame depth. The broadband spectra were fitted to a linearized Planck's function to estimate gas temperature for several values of emissivity, while the blue-green narrowband spectra were fitted to aluminum monoxide line strength files to calculate the temperature of the burning aluminum. Results indicate the aluminum monoxide flame temperature is generally hotter than the surrounding plume temperature. Calculated temperatures showed a generally flat trend as a function of depth from the center of the plume. Gas temperatures varied wildly and displayed no clear correlation with test variables. Post-test observations indicate that high-temperature chemical reactions within the substrate, phase changes, and the insulating effect of deposited alumina are likely causes for unpredictability.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Temperature Measurement written by United States. National Bureau of Standards and published by . This book was released on 1972 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solid Propellant Rockets written by Clayton Huggett and published by Princeton University Press. This book was released on 2015-12-08 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part of the Princeton Aeronautical Paperback series designed to bring to students and research engineers outstanding portions of the twelve-volume High Speed Aerodynamics and Jet Propulsion series. These books have been prepared by direct reproduction of the text from the original series and no attempt has been made to provide introductory material or to eliminate cross reference to other portions of the original volumes. Originally published in 1960. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
