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Author:
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ISBN:
Category :
Languages : en
Pages : 97
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Book Description
Basic thermal-radiation measurements, comprising total and broad-band spectral distribution of radiant energy, radiant energy function of field of view of the measuring instrument, and total radiant power versus time, are reported for the second thermal pulse of Shots 1, 2, 3, 5, 6, 9, and 10. All data were taken from ground stations at ranges as close as feasible to the detonations. The data are reported and analyzed to obtain the total thermal energy, the total thermal emission per unit of time, fireball sizes and geometries, and color and power temperatures, all as a function of time. New methods of analysis are used that show promise of correlating the thermal characteristics of the fireball with burst parameters. The new methods result in significantly higher thermal yields in all cases. Significant differences are shown in the thermal properties of tower and air bursts. The air bursts have higher thermal yields, higher peak temperatures, and different pulse shapes than tower bursts. The thermal properties of an air burst are shown to vary with altitude. The higher the altitude, the shorter the time scale, the larger the fireball, and the lower the total thermal energy. The peak temperature is little changed.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 97
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Book Description
Basic thermal-radiation measurements, comprising total and broad-band spectral distribution of radiant energy, radiant energy function of field of view of the measuring instrument, and total radiant power versus time, are reported for the second thermal pulse of Shots 1, 2, 3, 5, 6, 9, and 10. All data were taken from ground stations at ranges as close as feasible to the detonations. The data are reported and analyzed to obtain the total thermal energy, the total thermal emission per unit of time, fireball sizes and geometries, and color and power temperatures, all as a function of time. New methods of analysis are used that show promise of correlating the thermal characteristics of the fireball with burst parameters. The new methods result in significantly higher thermal yields in all cases. Significant differences are shown in the thermal properties of tower and air bursts. The air bursts have higher thermal yields, higher peak temperatures, and different pulse shapes than tower bursts. The thermal properties of an air burst are shown to vary with altitude. The higher the altitude, the shorter the time scale, the larger the fireball, and the lower the total thermal energy. The peak temperature is little changed.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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Book Description
Results of thermal-radiation measurements, including thermal energy as a function of time, broad spectral band, field of view, photographic data, and irradiance versus time, are reported for Shots Lacrosse, Cherokee, and Zuni. These data were analyzed to obtain fireball radii versus time, color and power temperatures versus time, and estimated thermal yields. The results are presented together with a brief description of the methods of interpretation used by the authors.
Author: Abraham Broido
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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Book Description
Confidence in the operation of the calorimeters has greatly reduced the need for drum recorders in future operations. Measurements with the passive receivers indicate that values of "effective" energy as obtained with these receivers are lower than true energy values, because of the relative ineffectiveness of the long, low-intensity, thermal tail. Approximately 500 ft of usable 16-mm motion picture film was obtained in the photographic program. It was noted that large quantities of smoke or dust appear long before the arrival of the shock front at a particular point; and that, although visible flames produced in certain forest fuels disappear long before the arrival of the shock wave, these fuels ultimately are consumed by smoldering internal flames.
Author: Joseph C. Richmond
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 608
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Book Description
Author: David P. DeWitt
Publisher: John Wiley & Sons
ISBN: 9780471610182
Category : Technology & Engineering
Languages : en
Pages : 1156
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Book Description
Here is the most comprehensive treatment available on practical temperature measurement methods using radiation thermometry. All aspects of measurement technology are covered: basic principles, types of radiation thermometers, calibration methods, and applications. Covers the latest instruments and discusses the central problem of radiation thermometry--how to infer the true temperature from the indicated temperature. Generously illustrated.
Author: John R. Howell
Publisher: CRC Press
ISBN: 1000831019
Category : Science
Languages : en
Pages : 476
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Book Description
Thermal Radiation: An Introduction is a complete textbook for a one-semester introductory graduate course on radiative energy transfer. It bridges the gap between a basic introduction and comprehensive coverage of thermal radiation, focusing on insight into radiative transfer as practiced by engineers. Covering radiative transfer among surfaces, with an introduction to the effects of participating media between surfaces, the book includes surface and medium property characteristics and solutions to the radiative transfer equation in simple geometries. • Tailored and organized specifically to suit a one-semester graduate course in radiative heat transfer. • Emphasis is placed on insight into radiative transfer as practiced by engineers. • Discusses how radiation is incorporated into finite element analysis (FEA) codes. The textbook is intended for instructors and graduate students in a first-year course on radiative heat transfer or advanced heat transfer. Supplementary resources for students and instructors are available online.
Author: Lawrence Davis
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 590
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Book Description
"Body Physics was designed to meet the objectives of a one-term high school or freshman level course in physical science, typically designed to provide non-science majors and undeclared students with exposure to the most basic principles in physics while fulfilling a science-with-lab core requirement. The content level is aimed at students taking their first college science course, whether or not they are planning to major in science. However, with minor supplementation by other resources, such as OpenStax College Physics, this textbook could easily be used as the primary resource in 200-level introductory courses. Chapters that may be more appropriate for physics courses than for general science courses are noted with an asterisk symbol (*). Of course this textbook could be used to supplement other primary resources in any physics course covering mechanics and thermodynamics"--Textbook Web page.
Author: A. L. Greig
Publisher:
ISBN:
Category : Nevada National Security Site (Nev.)
Languages : en
Pages : 36
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Book Description
Author: Joseph C. Richmond
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 616
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Book Description
Author: Joseph C. Richmond
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 624
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Book Description
