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Overview Of The Target Systems For The Spallation Neutron Source
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Book Synopsis Overview of the Target Systems for the Spallation Neutron Source by :
Download or read book Overview of the Target Systems for the Spallation Neutron Source written by and published by . This book was released on 1998 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technologies that are being utilized to design and build the target systems for a state-of-the-art accelerator- based neutron source, the Spallation Neutron Source (SNS), are discussed. Emphasis is given to the technology issues that present the greatest challenges. The present facility configuration, ongoing analysis, and planned research and development program are also described.
Book Synopsis Overview of Target Systems for the Spallation Neutron Source by :
Download or read book Overview of Target Systems for the Spallation Neutron Source written by and published by . This book was released on 1997 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose and requirements of target systems as well as the technologies that are being utilized to design and build a state-of-the-art neutron spallation source, the Spallation Neutron Source (SNS), are discussed. Emphasis is given to the technology issues that present the greatest scientific challenges. The present facility configuration, ongoing analysis, and the planned hardware research and development program are also described.
Book Synopsis Spallation Source Neutron Target Systems by :
Download or read book Spallation Source Neutron Target Systems written by and published by . This book was released on 1996 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the final report for a two-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The project sought to design a next-generation spallation source neutron target system for the Manuel Lujan, Jr., Neutron Scattering Center (LANSCE) at Los Alamos. It has been recognized for some time that new advanced neutron sources are needed in the US if the country is to maintain a competitive position in several important scientific and technological areas. A recent DOE panel concluded that the proposed Advanced Neutron Source (a nuclear reactor at Oak Ridge National Laboratory) and a high-power pulsed spallation source are both needed in the near future. One of the most technically challenging designs for a spallation source is the target station itself and, more specifically, the target-moderator-reflector arrangement. Los Alamos has demonstrated capabilities in designing, building, and operating high-power spallation-neutron-source target stations. Most of the new design ideas proposed worldwide for target system design for the next generation pulsed spallation source have either been conceived and implemented at LANSCE or proposed by LANSCE target system designers. These concepts include split targets, flux-trap moderators, back scattering and composite moderators, and composite reflectors.
Book Synopsis Construction and Operation of the Spallation Neutron Source (TN, NY, IL, NM) by :
Download or read book Construction and Operation of the Spallation Neutron Source (TN, NY, IL, NM) written by and published by . This book was released on 1999 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rationale for a Spallation Neutron Source Target System Test Facility at the 1-MW Long-pulse Spallation Source by : Walter F. Sommer
Download or read book Rationale for a Spallation Neutron Source Target System Test Facility at the 1-MW Long-pulse Spallation Source written by Walter F. Sommer and published by . This book was released on 1995 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal-Shock Assessments for National Spallation Neutron Source Target System by :
Download or read book Thermal-Shock Assessments for National Spallation Neutron Source Target System written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A perspective overview is provided on preliminary observations from simulations of thermal shock in the National Spallation Neutron Source (NSNS) at various power levels. Significant damage potential to structures may be present only at high ((almost equal to)5-MW) power levels which may require inclusion of mitigative features. The simulation framework being utilized and under development is presented. Focused experiments are being conducted to derive key benchmarking data for the simulation framework as also for timely resolution of key design and operational-safety issues.
Book Synopsis STATUS OF THE OAK RIDGE SPALLATION NEUTRON SOURCE (SNS) RF SYSTEMS * by :
Download or read book STATUS OF THE OAK RIDGE SPALLATION NEUTRON SOURCE (SNS) RF SYSTEMS * written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The SNS has been delivering production neutrons for five years with first beam delivered to the neutron target at the end of April 2006. On September 18, 2009 SNS officially reached 1 megawatt of beam on target marking the achievement of a decades-old dream of providing a U.S. megawatt class pulsed spallation source. The SNS is now routinely delivering 1 megawatt of beam power to the neutron target at over 85 percent of the scheduled beam time. The present effort is aimed at increasing availability eventually to 95 percent and gradually increasing the intensity to the 1.4 megawatt design level. While the RF systems have performed well since initial installation some improvements have been implemented. This paper provides a review of the SNS RF Systems, an overview of the performance of the various components and a detailed review of RF related issues addressed over the past several years.
Book Synopsis Fundamental Physics with Pulsed Neutron Beams by : Christopher R. Gould
Download or read book Fundamental Physics with Pulsed Neutron Beams written by Christopher R. Gould and published by World Scientific. This book was released on 2001 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low energy neutron beams are used to address many questions in nuclear physics, particle physics and astrophysics. The scientific issues include elucidating the nature of time reversal noninvariance; understanding the origin of the baryon asymmetry in the Universe; describing the weak interaction between quarks and between nucleons; understanding the origin of the elements in stellar and big bang nucleosynthesis.This book summarizes how spallation neutron sources work and discuss the advantages of pulsed beams in reducing systematic errors in precision measurements. It also describes recent breakthroughs in ultracold neutron production, together with the physics that will be addressed by the new generation of intense neutron sources.
Book Synopsis Overview of the National Spallation Neutron Source with Emphasis on the Target Station by :
Download or read book Overview of the National Spallation Neutron Source with Emphasis on the Target Station written by and published by . This book was released on 1997 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technologies that are being utilized to design and build a state-of-the-art neutron spallation source, the National Spallation Neutron Source (NSNS), are discussed. Emphasis is given to the technology issues that present the greatest scientific challenges. The present facility configuration, ongoing analysis and the planned hardware research and development program are also described.
Book Synopsis The National Spallation Neutron Source Target Station by :
Download or read book The National Spallation Neutron Source Target Station written by and published by . This book was released on 1997 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technologies that are being utilized to design and build a state-of-the-art neutron spallation source, the National Spallation Neutron Source (NSNS), are discussed. Emphasis is given to the technology issues that present the greatest scientific challenges. The present facility configuration, ongoing analysis and the planned hardware research and development program are also described.
Book Synopsis Spent Nuclear Fuel and Accelerator-Driven Subcritical Systems by : Vinod Kumar Verma
Download or read book Spent Nuclear Fuel and Accelerator-Driven Subcritical Systems written by Vinod Kumar Verma and published by Springer. This book was released on 2018-10-12 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive overview of the reprocessing of spent nuclear fuels, and discusses the applications of radiation, particularly spallation neutrons and gamma rays. The unspent nuclear fuel of a reactor amounts to roughly 95 per cent of the loaded fuel. It contains both fertile and fissile fuels, minor and higher actinides and radioactive fission products. In 2015, out of approximately 4 million metric tons of spent fuel, only 90,000 metric tons was reprocessed worldwide; the rest was either sent to repositories, kept for cooling down, or put on a waiting list for future reprocessing. With regard to the direct reutilization of spent nuclear fuel, the new technique of ‘Energy Amplifiers’ has attracted considerable attention among the nuclear energy community. Presenting extensive information on this technique, the book is divided into eight major sections: (i) spent nuclear fuel and alternative transmutation methods, (ii) general concept of accelerator-driven subcritical systems (ADSS), (iii) spallation neutron sources and the possibility of incineration, (iv) requirements for nuclear data, (v) transmutation of spent nuclear fuel and extension of the fuel cycle, (vi) spallation neutron production facilities, (vii) major experimental facilities for ADSS, and (viii) software tools for the design and modelling of ADSS. The book is ideally suited as a textbook for graduate students as well as a reference guide for researchers and practitioners.
Author :Science and Engineering Research Council. Rutherford Appleton Laboratoryb Publisher : ISBN 13 : Total Pages :97 pages Book Rating :4.:/5 (59 download)
Book Synopsis Spallation Neutron Source by : Science and Engineering Research Council. Rutherford Appleton Laboratoryb
Download or read book Spallation Neutron Source written by Science and Engineering Research Council. Rutherford Appleton Laboratoryb and published by . This book was released on 1982 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Astrophysics, Symmetries, And Applied Physics At Spallation Neutron Sources, Proceedings Of The Workshop On Asap 2002 by : Christopher R Gould
Download or read book Astrophysics, Symmetries, And Applied Physics At Spallation Neutron Sources, Proceedings Of The Workshop On Asap 2002 written by Christopher R Gould and published by World Scientific. This book was released on 2002-12-26 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spallation neutron source (SNS) being built at the Oak Ridge National Laboratory (ORNL) will be by far the highest flux pulsed source of epithermal neutrons in the world when it comes on line in 2006. Although the main thrust of the science program at the SNS will be materials science, the facility could provide outstanding opportunities for research in nuclear astrophysics, fundamental symmetries, and applied nuclear physics. To review the current status of these fields and to begin to assemble the scientific case and the community of researchers for future experiments at the SNS, a workshop on “Astrophysics, Symmetries, and Applied Physics” was held in March 2002 at the ORNL. Over 60 scientists, representing 11 US and 4 foreign universities as well as many national laboratories around the world, participated in the workshop. The proceedings describe the current state of research in those fields and the future opportunities at the SNS.
Book Synopsis The Savannah River Accelerator Project And Complementary Spallation Neutron Sources by : Frank T Avignone Iii
Download or read book The Savannah River Accelerator Project And Complementary Spallation Neutron Sources written by Frank T Avignone Iii and published by World Scientific. This book was released on 1998-02-24 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume is a collection of papers dealing with the applications of spallation neutron sources to pure science, applied science and defense programs. The topics, ranging from accelerator technology to applications in materials science and neutrino physics, are covered by experts in their respective fields.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :672 pages Book Rating :4.:/5 (319 download)
Book Synopsis Energy and Water Development Appropriations for 2006 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 2006 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2005 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemistry and Physics Challenges in Spallation Neutron Source Safety Analyses by :
Download or read book Chemistry and Physics Challenges in Spallation Neutron Source Safety Analyses written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The SNS is a Department of Energy (DOE) research facility under construction near Oak Ridge, Tennessee. The SNS includes a 300-m long, 1 GeV, 2 MW, linear accelerator that produces neutrons by collisions of high-energy protons with mercury target nuclei. The mercury target atoms are in a circulating mercury loop that is water-cooled. The mercury loop operates at a nominal average temperature of 75 C (60 C nominal cold leg temperature and 90 C nominal hot leg temperature). The overall target system also includes circulating fluid systems for supercritical cryogenic hydrogen (to moderate product neutrons to low energy), heavy water (for cooling of shielding), and several light water systems (for shielding cooling, proton beam window and neutron beam window cooling, and to moderate neutrons to energies higher than those from the cryogenic hydrogen moderator).
Book Synopsis Reviews Of Accelerator Science And Technology - Volume 6: Accelerators For High Intensity Beams by : Alexander Wu Chao
Download or read book Reviews Of Accelerator Science And Technology - Volume 6: Accelerators For High Intensity Beams written by Alexander Wu Chao and published by World Scientific. This book was released on 2014-04-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: As particle accelerators strive forever increasing performance, high intensity particle beams become one of the critical demands requested across the board by a majority of accelerator users (proton, electron and ion) and for most applications. Much effort has been made by our community to pursue high intensity accelerator performance on a number of fronts. Recognizing its importance, we devote this volume to Accelerators for High Intensity Beams. High intensity accelerators have become a frontier and a network for innovation. They are responsible for many scientific discoveries and technological breakthroughs that have changed our way of life, often taken for granted. A wide range of topics is covered in the fourteen articles in this volume.
