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Evaluation Of The Shielding Characteristics Of Structures For Simulated Residual Radiation
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Book Synopsis Evaluation of the Shielding Characteristics of Structures for Simulated Residual Radiation by : L. Degelman
Download or read book Evaluation of the Shielding Characteristics of Structures for Simulated Residual Radiation written by L. Degelman and published by . This book was released on 1963 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A semiempirical expression was developed for the gamma ray dose rate at any point within a concrete structure resulting from a point isotropic source lying anywhere on the ground outside the structure. This point-to-point kernel was integrated over an infinite area to check existing theories of fallout protection and to determine the variation of dose rate as a function of position within the structure. (Author).
Book Synopsis Structure Shielding Against Fallout Gamma Rays from Nuclear Detonations by : Lewis Van Clief Spencer
Download or read book Structure Shielding Against Fallout Gamma Rays from Nuclear Detonations written by Lewis Van Clief Spencer and published by . This book was released on 1980 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NBS Special Publication written by and published by . This book was released on 1980 with total page 984 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 1964 with total page 1600 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 1964 with total page 1586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reports Received by Division of Technical Information Extension by : U.S. Atomic Energy Commission. Division of Technical Information
Download or read book Reports Received by Division of Technical Information Extension written by U.S. Atomic Energy Commission. Division of Technical Information and published by . This book was released on with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structure Shielding from Simulated Fallout Gamma Radiation by : A. L. Kaplan
Download or read book Structure Shielding from Simulated Fallout Gamma Radiation written by A. L. Kaplan and published by . This book was released on 1965 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were performed to evaluate the application of the presently-used structure shielding theory to structures of simple geometry. The shape factor verification experiments yielded results which the theory predicted to within 15%. For the interior partitions experiments, the theory predicted the experimental results to within 10% in most cases and 20% in all cases. For the structures with outer-wall apertures and no interior partitions, theory and experiment agree to within 15%. Introduction of the interior partition, however, causes theoretical predictions to be up to 50% lower than experimental results at detector locations opposite the aperture, apparently caused by the failure of the theory to account for radiation scattering effects by the interior partition. The results of the basement shielding experiments showed good agreement between theory and experiment for structures with no floor. However, the theory was a factor of 3 lower than the experimental results for structures with a 1/2-in. (20 psf) steel floor, indicating the requirement for a change in the floor barrier reduction factor currently used in the theory. (Author).
Book Synopsis A Study of the Radiation Shielding Characteristics of Basic Concrete Structures at the Tower Shielding Facility by : V. R. Cain
Download or read book A Study of the Radiation Shielding Characteristics of Basic Concrete Structures at the Tower Shielding Facility written by V. R. Cain and published by . This book was released on 1964 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of experiments were performed to investigate the protection afforded by various typical structures against prompt weapons radiation. Radiation-intensity measurements were made at the Tower Shielding Facility in two concrete-shielded bunkers and in an interconnecting tunnel. Prompt weapons radiation was simulated by the Tower Shielding Reactor II (TSR-II), which was operated 100 ft above the ground. The distance between the reactor and the bunkers was approximately 700 ft. The bunkers were each 12-ft cubes and were constructed so that the shield thickness on the front face of one and on the top face of the other could be varied in 4-in. steps from 0 to 20 in. The thickness of concrete and dirt surrounding all other faces was sufficient to make them black to incident radiation. The gamma-ray and fast-neutron dose rates and thermal-neutron fluxes measured at various positions within the bunkers and in the tunnel and the pulse-height spectra from a 3-in. sodium iodide crystal determined at one position in the top bunker and one position in the tunnel are reported.
Book Synopsis Bibliography, Subject Index, and Author Index of the Literature Examined by the Radiation Shielding Information Center by : S. K. Penny
Download or read book Bibliography, Subject Index, and Author Index of the Literature Examined by the Radiation Shielding Information Center written by S. K. Penny and published by . This book was released on 1965 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structure Shielding from Simulated Fallout Gamma Radiation by : A. L. Kaplan
Download or read book Structure Shielding from Simulated Fallout Gamma Radiation written by A. L. Kaplan and published by . This book was released on 1966 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Council on Radiation Protection and Measurements Publisher :NCRP ISBN 13 :0929600835 Total Pages :205 pages Book Rating :4.9/5 (296 download)
Book Synopsis Structural Shielding Design for Medical X-ray Imaging Facilities by : National Council on Radiation Protection and Measurements
Download or read book Structural Shielding Design for Medical X-ray Imaging Facilities written by National Council on Radiation Protection and Measurements and published by NCRP. This book was released on 2004 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report No. 147 (2004) presents recommendations and technical information related to the design and installation of structural shielding for facilities that use x rays for medical imaging. The purpose of structural shielding is to limit radiation exposure to employees and members of the public. The information supersedes the recommendations that address such facilities in NCRP Report No. 49, Structural Shielding Design and Evaluation for Medical Use of X Rays and Gamma Rays of Energies Up to 10 MeV, which was issued in September 1976. NCRP Report No. 147 includes a discussion of the various factors to be considered in the selection of appropriate shielding materials and in the calculation of barrier thicknesses. The Report presents the fundamentals of radiation shielding, discusses shielding design goals for controlled and uncontrolled areas in or near x-ray imaging facilities and defines the relationship of these goals to the NCRP effective dose limits for radiation workers and members of the public. The Report includes a detailed discussion of the recommended shielding design methodology for x-ray imaging facilities and provides an extensive collection of shielding data and sample shielding calculations for various types of x-ray imaging facilities. The Report is mainly intended for those individuals who specialize in radiation protection. However, it will also be of interest to architects, hospital administrators and related professionals concerned with the planning of new facilities that use x rays for medical imaging.
Book Synopsis Experimental Shielding Evaluation of the Radiation Protection Provided by Residential Structures by : Elijah D. Dickson
Download or read book Experimental Shielding Evaluation of the Radiation Protection Provided by Residential Structures written by Elijah D. Dickson and published by . This book was released on 2013 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: The human health and environmental effects following a postulated accidental release of radioactive material to the environment has been a public and regulatory concern since the early development of nuclear technology and researched extensively to better understand the potential risks for accident mitigation and emergency planning purposes. The objective of this investigation is to research and develop the technical basis for contemporary building shielding factors for the U.S. housing stock. Building shielding factors quantify the protection a certain building-type provides from ionizing radiation. Much of the current data used to determine the quality of shielding around nuclear facilities and urban environments is based on simplistic point-kernel calculations for 1950's era suburbia and is no longer applicable to the densely populated urban environments seen today. To analyze a building's radiation shielding properties, the ideal approach would be to subject a variety of building-types to various radioactive materials and measure the radiation levels in and around the building. While this is not entirely practicable, this research uniquely analyzes the shielding effectiveness of a variety of likely U.S. residential buildings from a realistic source term in a laboratory setting. Results produced in the investigation provide a comparison between theory and experiment behind building shielding factor methodology by applying laboratory measurements to detailed computational models. These models are used to develop a series of validated building shielding factors for generic residential housing units using the computational code MCNP5. For these building shielding factors to be useful in radiologic consequence assessments and emergency response planning, two types of shielding factors have been developed for; (1) the shielding effectiveness of each structure within a semi-infinite cloud of radioactive material, and (2) the shielding effectiveness of each structure from contaminant deposition on the roof and surrounding surfaces. For example, results from this investigation estimate the building shielding factors from a semi-infinite plume between comparable two-story models with a basement constructed with either brick-and-mortar or vinyl siding composing the exterior wall weather and a typical single-wide manufactured home with vinyl siding to be 0.36, 0.65, and 0.82 respectively.
Book Synopsis Structural Shielding Design and Evaluation for Medical Use of X-rays and Gamma Rays of Energies Up to 10 MeV by : National Council on Radiation Protection and Measurements
Download or read book Structural Shielding Design and Evaluation for Medical Use of X-rays and Gamma Rays of Energies Up to 10 MeV written by National Council on Radiation Protection and Measurements and published by Ncrp. This book was released on 1976 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report of the National Council on Radiation Protection and Measurements...is concerned with structural shielding design and evaluation for medical installations utilizing x rays and gamma rays of energies up to 10 MeV. The report contains recommendations and technical information as well as a discussion of the various factors which must be considered in the selection of appropriate shielding materiels and in the calculation of the barrier thickness. Recent [this publication 1976] availability of new data used to calculate the shielding requirements has resulted in revision of some of the shielding requirement tables set out in Appendix C. Specific values of the parameters used in the formulation of the tables are explicitly given. The calculational procedures are presented in such a manner as to facilitate their use in deriving customized shielding requirements not to be found in the tables. An adjunct to the report presenting full sized reproductions of the curves for barrier requirements is also an innovation for the NCRP." --From the Preface, page iii.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 1142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1970 with total page 1424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A STUDY OF THE RADIATION SHIELDING CHARACTERISTICS OF BASIC CONCRETE STRUCTURES AT THE TOWER SHIELDING FACILITY. by :
Download or read book A STUDY OF THE RADIATION SHIELDING CHARACTERISTICS OF BASIC CONCRETE STRUCTURES AT THE TOWER SHIELDING FACILITY. written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the first of a series of experiments performed to investigate the protection afforded by various typical structures against prompt weapons radiation, radiationintensity measurements were made at the Tower Shielding Facility in two concrete-shielded bunkers and in an interconnecting tunnel. Prompt weapons radiation was simulated by the Tower Shielding Reactor II, which was operated 100 ft above the ground. The distance between the reactor and the bunkers was approximately 700 ft. The bunkers were each 12-ft cubes and were constructed so that the shield thickness on the front face of one and on the top face of the other could be varied in 4-in. steps from 0 to 20 in. The thickness of concrete and dirt surrounding all other faces was sufficient to make them black to incident radiation. The immediate goals of the experiment were to study (1) the attenuation of radiations by various thicknesses of ordinary concrete slabs, (2) the buildup of radiation intensities within the cavities by scattering of radiation in the walls, and (3) the transmission of radiation down a tunnel with two right-angle bends. The gamma-ray and fastneutron dose rates and thermal- neutron fluxes measured at various positions within the bunkers and in the tunnel and the pulse-height spectra from a 3-in. sodium iodide crystal determined at one position in the top bunker and one position in the tunnel are reported. (auth).
Book Synopsis Publications, Reports, and Papers for 1966 from Oak Ridge National Laboratory by : F. M. O'Hara
Download or read book Publications, Reports, and Papers for 1966 from Oak Ridge National Laboratory written by F. M. O'Hara and published by . This book was released on 1967 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
