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Particulates Generated During The Air Oxidation Of Uranium
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Book Synopsis PARTICULATES GENERATED DURING THE AIR OXIDATION OF URANIUM. by :
Download or read book PARTICULATES GENERATED DURING THE AIR OXIDATION OF URANIUM. written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of temperature on the nature of oxide formed from uranium oxidizing in air is pronounced, there being an increase in particle size wtth increasing temperatare over the range 400 to 800 deg C. At 1000 deg C and above the oxide formed remains largely intact, giving rise to few-micron size particles during the heating period. In relating these facts to fission product release, it would be anticipated that the effect of air velocity on the release of fission products would be more pronounced at lower temperatures. Only a fraction of those oxide particles of apparert entrainable size become airborne, emphasizing the possible effects of fuel elemert geometry and orientation. This stability of a mass of fine particles is an importart factor to consider in a system where localized high air velocities or explosions might occur. This material once dispersed by a sudden rise in air stream velocity could remain suspended for extended periods of time. Deposition of uranium oxide and fission products on experimental apparatus points out the importance of the location of the fuel element during an overheating incident. In conclusion, particulate entrainment and deposition, fuel element geometry, oriensations and location are variables which may have an important effect on fission product release. These variables along with effects of temperature, fuel elemert composition, cladding, air velocities, and irradiation level compose a very complex system. Since little research to date has dealt with deposition parameters, this area merits added consideration. (auth).
Book Synopsis The Third Conference on Nuclear Reactor Chemistry by :
Download or read book The Third Conference on Nuclear Reactor Chemistry written by and published by . This book was released on 1962 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book TID. written by and published by . This book was released on 19?? with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Water Vapor and Other Gases on Uranium, Thorium, Plutonium, and Carbides by : Brigitta M. Dobratz
Download or read book Effects of Water Vapor and Other Gases on Uranium, Thorium, Plutonium, and Carbides written by Brigitta M. Dobratz and published by . This book was released on 1964 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1962 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Interactions that Occur Between Radionuclides and Aerosols in the Respirable Size Range by : Douglas Kenneth Craig
Download or read book An Investigation of the Interactions that Occur Between Radionuclides and Aerosols in the Respirable Size Range written by Douglas Kenneth Craig and published by . This book was released on 1964 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of Iodine in Reactor Containment Systems by : G. W. Keilholtz
Download or read book Behavior of Iodine in Reactor Containment Systems written by G. W. Keilholtz and published by . This book was released on 1965 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1963 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Reactor Chemistry written by and published by . This book was released on 1962 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reactor Materials written by and published by . This book was released on 1963 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Formation of the Oxide Fume and Aerosol Dispersal from the Oxidation of Uranium Metal at Temperatures Less Than 1000 °C by :
Download or read book Formation of the Oxide Fume and Aerosol Dispersal from the Oxidation of Uranium Metal at Temperatures Less Than 1000 °C written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The reaction chemistry of uranium metal has been well documented for use in the development of nuclear fuels. The oxidation of uranium from the thermal stress of nearby combustion is different than that of a reactor environment due to the selectivity of the various competing reactions. This work extracts available information in literature and various experiments over the last 60 years to provide a critical look at the response of uranium metal to thermal stress. The oxide fume formed and the equilibrium phase shifts during the dispersal of the airborne particulate are of principal interest when determining potential consequences to the health and safety of the workers, members of the public, and the environment. The transport phenomena and reaction kinetics of the oxide fume are also discussed at various distances from the source material. Uranium is a versatile element that can form numerous compounds, of which the oxides are the forms that are most readily generated under thermal stress and also pose the largest health risk to human beings, primarily through inhalation. A general summary of uranium and the dry compounds (oxides and carbides) is provided discussing the different structures of each state. The reaction kinetics and selectivity as the oxidation progresses is discussed for typical uranium metal forms at temperatures above and below the ignition point. Characteristics of potential fires are qualified for determining thermal stress. The creation of the oxide fume is outlined followed by dispersal characteristics of the aerosol. These molecular processes are related to the release fractions of uranium under fire scenarios which are compared with available experimental data from the regulatory handbooks. A critical look at the conclusions of the handbook with recommendations for revising the existing guidelines and additional testing are made in the interest of ensuring that derived controls are appropriate to reduce the risk of accidents involving the oxidation of uranium metal.
Author :United States. Department of Commerce. Office of Technical Services Publisher : ISBN 13 : Total Pages :836 pages Book Rating :4.E/5 ( download)
Book Synopsis Keywords Index to U.S. Government Technical Reports (permuted Title Index). by : United States. Department of Commerce. Office of Technical Services
Download or read book Keywords Index to U.S. Government Technical Reports (permuted Title Index). written by United States. Department of Commerce. Office of Technical Services and published by . This book was released on 1963 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Keywords Index to U.S. Government Technical Reports by :
Download or read book Keywords Index to U.S. Government Technical Reports written by and published by . This book was released on 1962 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Oxidation of Uranium in Air by : United Kingdom Atomic Energy Authority
Download or read book The Oxidation of Uranium in Air written by United Kingdom Atomic Energy Authority and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Public Health Service Publication by :
Download or read book Public Health Service Publication written by and published by . This book was released on 1964 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Public Health Service. Division of Occupational Health Publisher : ISBN 13 : Total Pages :392 pages Book Rating :4.3/5 (91 download)
Book Synopsis Occupational Diseases by : United States. Public Health Service. Division of Occupational Health
Download or read book Occupational Diseases written by United States. Public Health Service. Division of Occupational Health and published by . This book was released on 1964 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
