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Design And Demonstration Of A Neutron Radiography Unit At The North Carolina State University Pulstar Reactor
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Book Synopsis Design and Demonstration of a Neutron Radiography Unit at the North Carolina State University PULSTAR Reactor by : Bruce Anthony Morgen
Download or read book Design and Demonstration of a Neutron Radiography Unit at the North Carolina State University PULSTAR Reactor written by Bruce Anthony Morgen and published by . This book was released on 1980 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Coded Source Neutron Imaging at the North Carolina State University PULSTAR Reactor by :
Download or read book Investigation of Coded Source Neutron Imaging at the North Carolina State University PULSTAR Reactor written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A neutron imaging facility is located on beam-tube #5 of the 1-MWth PULSTAR reactor at the North Carolina State University. An investigation has been initiated to explore the application of coded imaging techniques at the facility. Coded imaging uses a mosaic of pinholes to encode an aperture, thus generating an encoded image of the object at the detector. To reconstruct the image recorded by the detector, corresponding decoding patterns are used. The optimized design of coded masks is critical for the performance of this technique and will depend on the characteristics of the imaging beam. In this work, Monte Carlo (MCNP) simulations were utilized to explore the needed modifications to the PULSTAR thermal neutron beam to support coded imaging techniques. In addition, an assessment of coded mask design has been performed. The simulations indicated that a 12 inch single crystal sapphire filter is suited for such an application at the PULSTAR beam in terms of maximizing flux with good neutron-to-gamma ratio. Computational simulations demonstrate the feasibility of correlation reconstruction methods on neutron transmission imaging. A gadolinium aperture with thickness of 500 m was used to construct the mask using a 38 34 URA pattern. A test experiment using such a URA design has been conducted and the point spread function of the system has been measured.
Book Synopsis Design and Construction of the Ultracold Neutron Source at the NC State PULSTAR Research Reactor by : Grant R. Palmquist
Download or read book Design and Construction of the Ultracold Neutron Source at the NC State PULSTAR Research Reactor written by Grant R. Palmquist and published by . This book was released on 2014 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Thermal Neutron Imaging Facility at the N.C. State University PULSTAR Reactor by : Kaushal Kishor Mishra
Download or read book Development of a Thermal Neutron Imaging Facility at the N.C. State University PULSTAR Reactor written by Kaushal Kishor Mishra and published by . This book was released on 2005 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: Neutron Imaging.
Book Synopsis Development of a Thermal Neutron Imaging Facility at the N.C. State University PULSTAR Reactor by :
Download or read book Development of a Thermal Neutron Imaging Facility at the N.C. State University PULSTAR Reactor written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : W. H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Springer. This book was released on 1982-02-01 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity 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 concerned if the printing and distribution of the volume were handled by an international 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 Corporation 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 25 (thesis year 1980) a total of 10,308 theses titles from 27 Canadian and 214 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 25 reports theses submitted in 1980, on occasion, certain universities do report theses submitted in previous years but not reported at the time.
Book Synopsis Neutron Beam Design, Development, and Performance for Neutron Capture Therapy by : Otto K. Harling
Download or read book Neutron Beam Design, Development, and Performance for Neutron Capture Therapy written by Otto K. Harling and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: For this Workshop, the organizers have attempted to invite experts from all known centers which are engaged in neutron beam development for neutron capture therapy. The Workshop was designed around a series of nineteen invited papers which dealt with neutron source design and development and beam characterization and performance. Emphasis was placed on epithermal beams because they offer clinical advantages and are more challenging to implement than thermal beams. Fission reactor sources were the basis for the majority of the papers; however three papers dealt with accelerator neutron sources. An additional three invited papers provided a summary of clinical results of Ncr therapy in Japan between 1968 and 1989 and overviews of clinical considerations for neutron capture therapy and of the status of tumor targeting chemical agents for Ncr. Five contributed poster papers dealing with NCT beam design and performance were also presented. A rapporteurs' paper was prepared after the Workshop to attempt to summarize the major aspects, issues, and conclusions which resulted from this Workshop. Many people contributed to both the smooth functioning of the Workshop and to the preparation of these proceedings. Special thanks are reserved for Ms. Dorothy K.
Book Synopsis Determination of the PULSTAR Reactor Neutron Energy Spectrum by : Sunita V. Pullela
Download or read book Determination of the PULSTAR Reactor Neutron Energy Spectrum written by Sunita V. Pullela and published by . This book was released on 1994 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transactions of the American Nuclear Society by : American Nuclear Society
Download or read book Transactions of the American Nuclear Society written by American Nuclear Society and published by . This book was released on 2002 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design, Construction and Characterization of an External Neutron Beam Facility at The Ohio State University Nuclear Reactor Laboratory by : Danyal J. Turkoglu
Download or read book Design, Construction and Characterization of an External Neutron Beam Facility at The Ohio State University Nuclear Reactor Laboratory written by Danyal J. Turkoglu and published by . This book was released on 2012 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The objective of this research was to bring a thermal neutron beam facility to the Ohio State University Nuclear Reactor Laboratory for the purposes of neutron-based research. The neutron beam is extracted from the reactor core through a neutron collimator emplaced in Beam Port #2, the radial beam port facing the core at a 30° angle. The collimator is an aluminum tube containing components designed to filter and shape the neutron beam. The filters are poly-crystalline bismuth (10.16 cm thickness, 12.7 cm diameter) for significantly reducing gamma ray content and single-crystal sapphire (12.7 cm thickness, 10.16 cm diameter) for preferentially passing thermal neutrons while scattering more energetic neutrons out of the beam. The thermal neutron beam is defined by multiple 3.0 cm diameter apertures in borated aluminum. Apertures in polyethylene-based disks and in Pb disks provide shielding for fast neutrons and gamma rays, respectively, in the neutron collimator. Characterization of the beam was performed using foil activation analysis to find the neutron flux and a low-cost digital neutron imaging apparatus to "see" the beam profile. The neutron collimator delivers the filtered thermal neutron beam with a 3.5 cm diameter umbra and a thermal neutron equivalent flux of (8.55 +̲ 0.19) x 106 cm−2s−1 at 450 kW reactor power (90% of rated limit) to the sample location. The beam is highly thermalized with a cadmium ratio of 266 +̲ 13. The facility was designed for neutron depth profiling, a nondestructive analytical technique for finding the concentration versus depth in the near surface (tens of microns) for isotopes that undergo charged particle emitting reactions, such as 10B(n, 4He)7Li, 6Li (n, 3H)4He, and 3He (n, 1H)3H, to name a few.
Book Synopsis Design, Development, Characterization, and Application of a New Neutron Imaging Facility at the Penn State Breazeale Reactor by : Alibek Kenges
Download or read book Design, Development, Characterization, and Application of a New Neutron Imaging Facility at the Penn State Breazeale Reactor written by Alibek Kenges and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron imaging is a powerful tool in the field of non-destructive testing that utilizes unique attenuation properties of neutrons allowing through-images of some high-density objects. The Radiation Science and Engineering Center (RSEC) has had a neutron imaging facility for the last several decades. With the installation of a new core moderator assembly and new beam ports at the RSEC -- the Penn State Breazeale Reactor (PSBR) in 2018, a dedicated neutron beam port became available for a new neutron imaging facility at RSEC (RSEC -- NIF). The initial design of the beam port designated for the RSEC -- NIF was of divergent type that needed to be upgraded by means of collimator components and filters. After a thorough investigation of existing neutron imaging facilities around the world, it has been decided to collimate the beam port with convergent and divergent collimators and to filter the gamma and neutron content with the single crystal bismuth and sapphire filters. A set of system characterization experiments were conducted at the RSEC -- NIF that confirmed the system's correspondence to a Category I facility by ASTM standards. In addition to that, the collimation ratio of the new system was measured following the procedures given in the ASTM protocols and resulted in the effective L/D ratio value between 107 and 115. The thermal flux across the exit surface from the beam port at the biological shield was measured to be equal to 5.4E+06 n/cm^2-s at 1MWth reactor power. The application of the RSEC -- NIF's capabilities in neutron radiography (NR) and tomography (NT) techniques were demonstrated imaging different types of environmental samples for the presence and visualization of microplastic particles. Preliminary results of NT experiments conducted at the RSEC -- NIF have shown that this technique can be used as an intermediary step to visualize the content and spatial distribution of microplastics in the sand columns. Additionally, the NR capabilities of the RSEC -- NIF were utilized to visualize the microplastic particles in the sediment samples and used water filters. All obtained results and the continuation of research in this direction can potentially shed some light in the general research of microplastic transport mechanisms in different terrestrial and aquatic ecosystems.
Book Synopsis Design, Parameterization, and Use of the Iowa State University UTR-10 for Neutron Radiography by : Edmond George Wiegert
Download or read book Design, Parameterization, and Use of the Iowa State University UTR-10 for Neutron Radiography written by Edmond George Wiegert and published by . This book was released on 1990 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design, Construction, and Demonstration of a Neutron Beamline and a Neutron Imaging Facility at a Mark-I TRIGA Reactor by : Aaron E. Craft
Download or read book Design, Construction, and Demonstration of a Neutron Beamline and a Neutron Imaging Facility at a Mark-I TRIGA Reactor written by Aaron E. Craft and published by . This book was released on 2013 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Radiography with the VPI & SU Research Reactor by : Charles Richard Tuley
Download or read book Neutron Radiography with the VPI & SU Research Reactor written by Charles Richard Tuley and published by . This book was released on 1974 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neutron Dynamics and Control written by and published by . This book was released on 1966 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis and Design of an Improved Neutron Radiography Facility at the M.I.T. Research Reactor by : Robert Henry Smith
Download or read book Analysis and Design of an Improved Neutron Radiography Facility at the M.I.T. Research Reactor written by Robert Henry Smith and published by . This book was released on 1981 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Real Time Neutron Radiography at the University of Wisconsin Nuclear Reactor by : Robert J. Agasie
Download or read book Development of Real Time Neutron Radiography at the University of Wisconsin Nuclear Reactor written by Robert J. Agasie and published by . This book was released on 1997 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
