The National Ignition Facility Nif Diagnostic Set At The Completion Of The National Ignition Campaign Nic September 2013 PDF Download
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Total Pages | : 39 |
Release | : 2015 |
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Download The National Ignition Facility (NIF) Diagnostic Set at the Completion of the National Ignition Campaign (NIC) September 2013 Book in PDF, ePub and Kindle
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Total Pages | : 32 |
Release | : 2016 |
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Download The National Ignition Facility Diagnostic Set at the Completion of the National Ignition Campaign, September 2012 Book in PDF, ePub and Kindle
At the completion of the National Ignition Campaign (NIC), the National Ignition Facility (NIF) had about 36 different types of diagnostics. These were based on several decades of development on Nova and OMEGA and involved the whole U.S. inertial confinement fusion community. In 1994, the Joint Central Diagnostic Team documented a plan for a limited set of NIF diagnostics in the NIF Conceptual Design Report. Two decades later, these diagnostics, and many others, were installed workhorse tools for all users of NIF. We give a short description of each of the 36 different types of NIC diagnostics grouped by the function of the diagnostics, namely, target drive, target response and target assembly, stagnation, and burn. Furthermore, a comparison of NIF diagnostics with the Nova diagnostics shows that the NIF diagnostic capability is broadly equivalent to that of Nova in 1999. Although NIF diagnostics have a much greater degree of automation and rigor than Nova's, new diagnostics are limited such as the higher-speed X-ray imager. Finally, we discuss recommendations for future diagnostics on the NIF.
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Total Pages | : 7 |
Release | : 2011 |
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Download Use of the Target Diagnostic Control System in the National Ignition Facility Book in PDF, ePub and Kindle
The extreme physics of targets shocked by NIF's 192-beam laser are observed by a diverse suite of diagnostics including optical backscatter, time-integrated, time resolved and gated X-ray sensors, laser velocity interferometry, and neutron time of flight. Diagnostics to diagnose fusion ignition implosion and neutron emissions have been developed. A Diagnostic Control System (DCS) for both hardware and software facilitates development and eases integration. Each complex diagnostic typically uses an ensemble of electronic instruments attached to sensors, digitizers, cameras, and other devices. In the DCS architecture each instrument is interfaced to a low-cost Window XP processor and Java application. Instruments are aggregated as needed in the supervisory system to form an integrated diagnostic. The Java framework provides data management, control services and operator GUI generation. During the past several years, over thirty-six diagnostics have been deployed using this architecture in support of the National Ignition Campaign (NIC). The DCS architecture facilitates the expected additions and upgrades to diagnostics as more experiments are performed. This paper presents the DCS architecture, framework and our experiences in using it during the NIC to operate, upgrade and maintain a large set of diagnostic instruments.
Author | : United States. Congress. Senate. Committee on Armed Services |
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Total Pages | : 360 |
Release | : 2011 |
Genre | : Military research |
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Download Department of Defense Authorization for Appropriations for Fiscal Year 2012 and the Future Years Defense Program Book in PDF, ePub and Kindle
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Total Pages | : 8 |
Release | : 2011 |
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Download DEVELOPMENT OF SOLID COLLECTION DIAGNOSTICS ON NIF THROUGH BLAST SHIELD ANALYSIS. Book in PDF, ePub and Kindle
Radiochemical analysis of post-shot debris inside the National Ignition Facility (NIF) target chamber can help determine various diagnostic parameters associated with the implosion efficiency of the fusion capsule. This capability is limited by the amount of target isotope that can be loaded inside the capsule ablator without affecting performance and the collection efficiency of the capsule debris after implosion. Prior to designing a collection system, the chemical nature and distribution of the debris inside the chamber must be determined and analysis methods developed. The focus of our current work has been on determining the elemental composition and distribution of debris on various blast shields and witness plates that were exposed to the chamber during ignition shots that occurred in 2009. These passive collection plates were used to develop both non-destructive and chemical analysis techniques to determine debris composition and melt depth at various shot energy profiles. A summary of these data will be presented along with our current strategy for the 2011 campaign.
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Release | : 1785 |
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Download Lettre à M. le marquis de *** sur le rétablissement de la Cie des Indes, en France, par arrêt du 14 avril 1785 Book in PDF, ePub and Kindle
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Release | : 2000 |
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Download Debris Characterization Diagnostic for the National Ignition Facility Book in PDF, ePub and Kindle
Generation of debris from targets and by x-ray ablation of surrounding materials will be a matter of concern for experimenters and the operations staff at the National Ignition Facility (NIF). Target chamber and final optics protection, for example debris shield damage, and efficient facility operation drive the interest for the NIF staff. Experimenters are primarily concerned with diagnostic survivability, separation of mechanical versus radiation induced test object response in the case of effects tests, and radiation transport through the debris field when the net radiation output is used to benchmark computer codes. In addition, radiochemical analysis of activated capsule debris during ignition shots can provide a measure of the ablator. Conceptual design of the Debris Monitor and Rad-Chem Station, one of the NIF core diagnostics, is presented. Methods of debris collection, particle size and mass analysis, impulse measurement, and radiochemical analysis are given. A description of recent experiments involving debris collection and impulse measurement on the OMEGA and Pharos lasers is also provided.
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Total Pages | : 54 |
Release | : 2014 |
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Download National Ignition Campaign Program Completion Criteria and Primary Criteria and Functional Requirements Evidence of Completion Book in PDF, ePub and Kindle
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Total Pages | : 80 |
Release | : 1998 |
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Download National Ignition Facility (NIF) Operations Procedures Plan Book in PDF, ePub and Kindle
The purpose of this Operations Procedures Plan is to establish a standard procedure which outlines how NIF Operations procedures will be developed (i.e, written, edited, reviewed, approved, published, revised) and accessed by the NIF Operations staff who must use procedures in order to accomplish their tasks. In addition, this Plan is designed to provide a guide to the NIF Project staff to assist them in planning and writing procedures. Also, resource and scheduling information is provided.
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Total Pages | : 6 |
Release | : 2015 |
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Download Shot Rate Improvement Strive for the National Ignition Facility (NIF). Book in PDF, ePub and Kindle