Three Tritium Systems Test Assembly Tsta Off Loop Experiments

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Three Tritium Systems Test Assembly Tsta Off Loop Experiments

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Author :
language : en
Publisher:
Release Date : 1993

Three Tritium Systems Test Assembly Tsta Off Loop Experiments written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

This report contains the results from three different experiments. Experiment one was initiated to establish the possibility of using a soft elastomer in ITER (International Thermonuclear Experimental Reactor) applications. Used in this application, the sealing material is anticipated to be in tritium at pressures in the range of 1 x 10−3 torr for many years. Here two O-ring valve seals each of Viton-A, Buna-N, and EDPM were exposed to 1, 40, or 400 torr of tritium while being cycled open and closed approximately 11,500 times in 192 days. EDPM is the least susceptible to damage from the tritium. Both Buna-N and Viton-A showed deterioration following the first cycling at 400 torr. Using commercially available materials, the Tritium Systems Test Assembly (TSTA) designed and built a Portable Water Removal (PWR) Unit to reduce tritium oxide emissions during glovebox breaches. The PWR removes 99.9% of all tritium and saves between 0.7 and 3.5 curies of tritium oxide from being stacked during each of the five tests. Finally, a series of tests are done to determine whether the presence of SF6 changes the ability of palladium and platinum to catalyze the T2-O2 reaction to form T2O. No deterioration of the catalytic activity is observed. This is important because the Tokamak Fusion Test Reactor (TFTR) requires information about the effect of SF6, an electrical insulator, on the catalytic behavior of Pt and Pd in a T2 environment. This information is necessary for the accident analysis in the Safety Analysis Report for TFTR. This study is done using an apparatus supplied to TSTA by TFTR.

Experience Of Tsta Tritium Systems Test Assembly Milestone Runs With 100 Grams Level Of Tritium

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Author :
language : en
Publisher:
Release Date : 1988

Experience Of Tsta Tritium Systems Test Assembly Milestone Runs With 100 Grams Level Of Tritium written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.

The first loop operation tests of the Tritium Systems Test Assembly (TSTA) with 100 grams-level of tritium were performed at the Los Alamos National Laboratory (LANL) in June and July, 1987. The July run was resumption of the June run, which was halted because of a loss of cryogenic refrigerant in the hydrogen isotope separation system. 3 refs., 3 figs.

Overview Of Tritium Processing Development At The Tritium Systems Test Assembly

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Author :
language : en
Publisher:
Release Date : 1986

Overview Of Tritium Processing Development At The Tritium Systems Test Assembly written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.

The Tritium Systems Test Assembly (TSTA) at the Los Alamos National Laboratory has been operating with tritium since June 1984. Presently there are some 50 g of tritium in the main processing loop. This 50 g has been sufficient to do a number of experiments involving the cryogenic distillation isotope separation system and to integrate the fuel cleanup system into the main fuel processing loop. In January 1986 two major experiments were conducted. During these experiments the fuel cleanup system was integrated, through the transfer pumping system, with the isotope separation system, thus permitting testing on the integrated fuel processing loop. This integration of these systems leaves only the main vacuum system to be integrated into the TSTA fuel processing loop. In September 1986 another major tritium experiment was performed in which the integrated loop was operated, the tritium inventory increased to 50 g and additional measurements on the performance of the distillation system were taken. In the period June 1984 through September 1986 the TSTA system has processed well over 108 Ci of tritium. Total tritium emissions to the environment over this period have been less than 15 Ci. Personnel exposures during this period have totaled less than 100 person-mRem. To date, the development of tritium technology at TSTA has proceeded in progressive and orderly steps. In two years of operation with tritium, no major design flows have been uncovered.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1995

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Power resources categories.

Operating Experience And Procedures At The Tritium Systems Test Assembly

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Author :
language : en
Publisher:
Release Date : 1988

Operating Experience And Procedures At The Tritium Systems Test Assembly written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.

Operating procedures are important for the safe and efficient operation of the Tritium Systems Test Assembly (TSTA). TSTA has been operating for four years with tritium in a safe and efficient manner. The inventory of tritium in the process loop is 100 grams and several milestone runs have been completed. This paper describes the methods used to operate TSTA. 3 refs., 1 fig.

Current Operations And Experiments At The Tritium Systems Test Assembly

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Author :
language : en
Publisher:
Release Date : 1985

Current Operations And Experiments At The Tritium Systems Test Assembly written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.

The Tritium Systems Test Assembly (TSTA) has continued to move toward operation of a fully-integrated, full-sized, computer-controlled fusion fuel processing loop. Concurrent, nonloop experiments have answered important questions on new components and issues such as palladium diffusion membranes, ceramic electrolysis cells, regenerable tritium getters, laser Raman spectroscopy, unregenerable tritium inventory on molecular sieves, tritium contamination problems and decontamination methods, and operating data on reliability, emissions, doses, and wastes generated. 4 refs., 2 figs.

Fusion Fuel Purification During The Tritium Systems Test Assembly 3 Week Loop Experiment

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Author : R.S. WILLMS.
language : en
Publisher:
Release Date : 1989

Fusion Fuel Purification During The Tritium Systems Test Assembly 3 Week Loop Experiment written by R.S. WILLMS. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.

Five Years Of Tritium Handling Experience At The Tritium Systems Test Assembly

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Author :
language : en
Publisher:
Release Date : 1989

Five Years Of Tritium Handling Experience At The Tritium Systems Test Assembly written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.

The Tritium Systems Test Assembly (TSTA) at Los Alamos National Laboratory is a facility designed to develop and demonstrate, in full scale, technologies necessary for safe and efficient operation of tritium systems required for tokamak fusion reactors. TSTA currently consists of systems for evacuating reactor exhaust gas with compound cryopumps; for removing impurities from plasma exhaust gas and recovering the chemically-combined tritium; for separating the isotopes of hydrogen; for transfer pumping; or storage of hydrogen isotopes; for gas analysis; and for assuring safety by the necessary control, monitoring, and tritium removal from effluent streams. TSTA also has several small scale experiments to develop and test new equipment and processes necessary for fusion reactors. In this paper, data on component reliability, failure types and rates, and waste quantities are presented. TSTA has developed a Quality Assurance program for preparing and controlling the documentation of the procedures required for the design, purchase, and operation of the tritium systems. Operational experience under normal, abnormal, and emergency conditions is presented. One unique aspect of operations at TSTA is that the design personnel for the TSTA systems are also part of the operating personnel. This has allowed for the relatively smooth transition from design to operations. TSTA has been operated initially as a research facility. As the system is better defined, operations are proceeding toward production modes. The DOE requirements for the operation of a tritium facility like TSTA include personnel training, emergency preparedness, radiation protection, safety analysis, and preoperational appraisals. The integration of these requirements into TSTA operations is discussed. 4 refs., 3 figs., 3 tabs.

Fusion Technology 1992

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Author : C. Ferro
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Fusion Technology 1992 written by C. Ferro and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.

The aim of the biennial series of symposia on Fusion Technology organized by the European Fusion Laboratories, is the exchange of information on the design, construction and operation of fusion experiments and on the technology being developed for the next-step devices and fusion reactors. The coverage of the volume includes the technological aspects of fusion reactors in relation to new developments, thus forming a guideline for the definition of future work. These proceedings comprise three volumes and contain both the invited lectures and contributed papers presented at the symposium, which was attended by 569 participants from around the globe. The 343 papers, including 12 invited papers, characterise the increasing interest of industry in the fusion programme, giving a broad and current overview on the progress and trends fusion technology is experiencing now, as well as indicating the future for fusion devices.

15th Ieee Npss Symposium Fusion Engineering

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Author :
language : en
Publisher:
Release Date : 1994

15th Ieee Npss Symposium Fusion Engineering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Controlled fusion categories.