A Holographic Investigation of Particulates in Metallized Solid Fuel Ramjet Combustion PDF Download
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Author: Crawford Alan III. Easterling
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
An investigation was conducted pursuant to the development of a holographic technique to be used in the study of particulates in metallized solid fuel ramjet combustion. Additionally, a technique for generating a time-space dependent temperature profile of a two-dimensional solid fuel ramjet fuel slab was developed. A holocamera was designed and constructed for use with a two-dimensional solid fuel ramjet. Eleven micron resolution was obtained using diffuse illumination. Initial attempts to obtain holograms were unsuccessful. The fuels tested either would not sustain or, produced copious amounts of smoke which precluded a sufficiently intense scene beam from reaching the holographic plate. Use of 0.005 inch diameter, Chromel-Alumel thermocouples, imbedded at measured depths in the fuel slab, provided subsurface temperature data as a function of time and location, until exposed to free stream conditions. Keywords: Solid Fuel ramjet, Boron combustion, Metallized fuels ramjet, Holography.
Author: Crawford Alan III. Easterling
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
An investigation was conducted pursuant to the development of a holographic technique to be used in the study of particulates in metallized solid fuel ramjet combustion. Additionally, a technique for generating a time-space dependent temperature profile of a two-dimensional solid fuel ramjet fuel slab was developed. A holocamera was designed and constructed for use with a two-dimensional solid fuel ramjet. Eleven micron resolution was obtained using diffuse illumination. Initial attempts to obtain holograms were unsuccessful. The fuels tested either would not sustain or, produced copious amounts of smoke which precluded a sufficiently intense scene beam from reaching the holographic plate. Use of 0.005 inch diameter, Chromel-Alumel thermocouples, imbedded at measured depths in the fuel slab, provided subsurface temperature data as a function of time and location, until exposed to free stream conditions. Keywords: Solid Fuel ramjet, Boron combustion, Metallized fuels ramjet, Holography.
Author: Robert Paul Paty
Publisher:
ISBN:
Category :
Languages : en
Pages : 49
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Book Description
An investigation was conducted to determine the suitability of a holographic technique as a diagnostic tool for metallized fuel combustion in a two-dimensional solid fuel ramjet. The highly metallized fuels were burned under conditions similar to actual flight conditions. If found suitable, the objective was to produce a three-dimensional image of a volume in the boundary layer above the fuel surface, and to determine the particle size distribution in that volume. This distribution could be used to validate current models which must assume particle size, and could lead to better estimates of fuel regression rates and combustion efficiencies. Once the conditions for sustained combustion were determined, the technique was successfully demonstrated, even in the presence of large amounts of smoke. Holograms were obtained at two different chamber pressures for each of the fuels. However, current resolution limits of the technique are not sufficient to reveal the vast majority of the particles in the combustor. Keywords: Solid fuel ramjet, Boron combustion, Metallized fuels, Ramjet, Holography. (kt).
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Category : Aeronautics
Languages : en
Pages : 252
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Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461305993
Category : Science
Languages : en
Pages : 411
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Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 32 (thesis year 1987) a total of 12,483 theses titles from 22 Canadian and 176 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 32 reports theses submitted in 1987, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author:
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Category : Science
Languages : en
Pages : 348
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Category : Science
Languages : en
Pages : 784
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Category : Power resources
Languages : en
Pages : 1224
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Category : Government reports announcements & index
Languages : en
Pages : 1364
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Category : Mechanics, Applied
Languages : en
Pages : 338
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Author: Douglas E. Faber
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Category : Aeronautics
Languages : en
Pages :
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