Download or read book Quarterly Status Report on LAMPRE Program for the Period Ending written by and published by . This book was released on 1963-08-20 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Because of it's extensive experience in the use of plutonium, the Los Alamos Scientific Laboratory is investigating the use of this fuel in fast power-breeder reactor systems. The fuels which are being studied at present in the LAMPRE Program are molten alloys, since these appear to offer a number of advantages over solid fuel elements for reactor applications, particularly in high burnup and greatly simplified reprocessing" - p.3.
Download or read book Quarterly Status Report on LAMPRE Program written by Los Alamos Scientific Laboratory and published by . This book was released on 1962 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quarterly Status Report on LAMPRE Program for the Period Ending written by and published by . This book was released on 1960-08-20 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Because of it's extensive experience in the use of plutonium, the Los Alamos Scientific Laboratory is investigating the use of this fuel in fast power-breeder reactor systems. The fuels which are being studied at present in the LAMPRE Program are molten alloys, since these appear to offer a number of advantages over solid fuel elements for reactor applications, particularly in high burnup and greatly simplified reprocessing" - p.3.
Download or read book Quarterly Status Report on Lampre Program for Period Ending August 20 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: S>Experiments and operations in LAMPRE are reviewed. Fabrication, properties, and radiation testing of LAMPRE fuel elements are studied. The development of Pu-Co Ce fuels is discussed. Phase studies on Ce-Co, Ce-Ni, Ce- Mn, Pu-La, and Pu-Pr systems are reported. Ta corrosion by Na is examined. The progress in construction of a Core Test Facility is outlined. (T.F.H.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending November 20 1962 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The operation of LAMPRE I is summarized. The results of the examination of a defective fuel capsule and the Na coolant are given. The status of the core calculation program for the transport-theory description of core characteristics is described. The preparation of Pu-- Co-- Ce alloys is reported. The reactions of molten Co-- Ce alloys with Ta are studied. Intergranular attack was observed in the exposure of TaC, NbC, and ZrC crucibles to U--Mn alloy at 1100 deg C. Data are given on the zeta phase, monocarbide, and sesquicarbide in the Pu-- C phase diagrams, and on the other Pu systems: Pu--C--N, Pu--C--O, Pu-In, Pu-- N, and Pu-- rare earth. The status of the Core Test Facility (Phase A and B) is outiined. (D.L.C.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending May 20 1960 written by and published by . This book was released on 1960 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the initiation of the LAMPRE Program Quarterly Report the opportunity is taken to review the objectives of the program as well as to summarize its present status. The program can be conveniently divided into two separate but related phases. The first is concerned with the design and construction of the first reactor experiment, called LAMPRE I. The second involves problems of specific interest for LAMPRE I as well as to the general class of molten plutonium fueled reactors. A general description. core parameters, reactor and plant configarations, and general status of LAMPRE I are given. Current progress is reported in terms of capsule certification tests, sodium system, fuel element storage, and LCX III measurements. The research and development work in support of the LAMPRE program includes Na loop (heat exchanger) studies. fuel alloy development, container alloy development, core concept studies, nuclear physics calculations, mechanical fabrication and welding development, corrosion studies, liquid fuel handling and circulating experiments, fission gas studies, mobile blanket develepment, and fuel processing experiments. A fairly complete account of tbe various lines of development at the present time is contained. (W.D.M.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending August 20 1961 written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: BS>All basic experiments planned for the LAMPRE I startup program were completed. The tests included operation at 100 and 200 kw utilizing both normal and half coolant flow, and full flow operation at 400 kw. At each power level, transfer function measurements were made, and a continuous run of approximately 60 hr duration was carried out to determine the characteristics of the reactivity loss first observed at 50 kw. Various power demand tests were made. Fuel and container development was continued. Progress is reported in fuel reprocessing. The sodium test facility was operated continuously except for 7 shutdowns required by maintenance, inspection, and equipment modifications. (M.C.G.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending May 20 1961 written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LAMPRE-L The reactor was started up and held st 160 deg C and at hot critical for various measurements. Some of the 160 deg C measurements included rod worth, temperature coefficient, and shim-down extrapolated mass. In the approach to hot critical, multiplication was measured during the temperature increase from 160 to 500 deg C and found to increase markedly when the core meltsd. Reactivity changes due to jarring of the fuel capsules to remove bubbles and voids in the melted fuel were observed. Zero measurements made at 48O deg C are reported. Power coefficient measurements at 0 to 46 kw and power demand experiments were made, and the 50-kw transfer function is plotted. Shielding inadequacies are discussed briefly. The results of a fuel pin scan are given. Observations on the performance of the sodium system are discuaaed. Type 17-4 PH stainless steel was found to undergo additional grain boundary precipitution during long-term exposure to temperatures below the hardening temperature, and measurements of its properties are reported. fuel and Container Development. Impurities in the LAaMPRE-1 fuel which has a corrosive effect on the fuel container are discussed. Observations in the Pu -Ce-Co phase diagram are reported. Different types of LAMPRE-1 capsule failure are discussed. Work on improving the corrosion resiatance of Ta revealed Y and W to be beneficial additives. Sodium Test Facility. The test facility was opersted nearly continuously. with test equipment pieces receiving total operating times as high as 10,400 hr. The He cover gas in the primary and secondary loops was analyzed for buildup of O/sub 2/, H/sub 2/, and CH/sub 4/. (D.L.C.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending May 20 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress made in the development and operation of LAMPRE I (Core II) is summarized. Information is included on irradiated capsule scanning, heat transfer calculations, and core calculations. Development of the Core Test Facility is reported. Metallographlc evaluation of LAMPRE fuel capsules is accomplished by studying fabrication techniques, plutonium- cobalt-- cerium fuels, cerium-based alloy fuels, uranium-- manganese-- plutonium fuels, and capsules of tantalum, tantalum-- tungsten alloy, and niobium. Phase studies are made of various plutonium alloy systems. (N.W.R.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending May 20 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: During the report period 110 Mw-hr of operation were completed by LAMPRE I at various power levels, and observations were made of control element performance and reactivity losses. Metallographic examination of a Core I capsule having 120 Mw-hr of irradiation exposure disclosed no major attack. Core II utilizes Ta alloy melts and 13 fuel melts. Starting materials for Core II capsules are tabulated. In research and development a gamma-ray conversion television was used to observe the flow of molten Pu in the PTA experiment. Dilute fuels being studied for use in a high-performance reactor include Pu --Co - -Ce alloys, ing exposure of test containers to U --Pu -Mn fuel at 900 deg C for 2 hrs are tabulated. In fuel reprocessing data on decontamination of Pu metal by electrorefining and by solvent extraction were obtained. Details of maintenance and development of the core test facility are included. (J.R.D.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending February 20 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Operation of LAMPRE I is summarized, and predictions of power and temperature transients by a new Fortran code (LTC) are compared favorably with experimental results. LAMPRE fuel capsules were metallographically examined and revealed Na attack of weld metal surfaces as well as intergranular penetration of Pu-fuel in the heataffected zone of the welds. New techniques were developed for fabricating capsules. Several alloys were investigated. Corrosion tests of Ce-- Co--Pu alloys in Ta showed an increase in C content to reduce Ta/sub 6/Co/sub 7/ layer formation. High Co contents in Ce-- Co alloy produced an increased Co- Ta film growth. Tests on yttrium capsules containing Mn--U and Mn-- Pu--U alloys showed the Pu to increase the corrosion resistance of Y to Mn--U fuels. Methods for fabricating and preparing plutonium alloys were developed. Status of the core test facility is reported. Several Pu alloy systems were also examined, mainly to gain information on phase relations in Pu alloys. Decomposition, lattice parameters, solubility, phase diagrams, and formation reactions were among the examined properties of the C-O--Pu, Eu--Pu, La-- Pu, N-- Pu, Pr--Pu, Pu- Sc, and Pu--Y systems treated. (D.C.W.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending November 20 1961 written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LAMPRE I. The operations and activities carried out in conjunctnnon with LAMPRE I are summarized. Fuel and Container Development. Corrosion testing of containers made out of various tantalum alloys is described, and data are presented on the tensile properties of high-purity Ta sheet. A ternary phase diagram is presented for molten Pu-Ce-Co alloys. Melting points are given for a number of ternary U alloys and systems. A preliminary test of 5 ceramic crucibles with Pu-U-Mn fuels was made at 900 deg C. Process Research and Development. A process for reprocessing UC-PuC buttons was developed which comprises the following steps: dissolution in 13 M HNO/sub 3/-0.05 M HF, dilution, extraction of Pu and U into TBP, and selective stripping of Pu and U.A volatilization-liquatnnon run on irradiated Pu is described. A processing method was devised for recovery of U and Pu from sodium paste blankets or paste cores. Concept Development. Results of an analysis of a one-region, direct contact reactor using U -Pu fuel is given. Critical Experiments. A small-scale critical test of a circulating fuel, direct contact core called Pint Bottle Experiment is described. 2000-kw Sodium Test Facility. lts operation is described briefly. Core Test Facility. Progress on the design and development of the Facility is summarized. (D.L.C.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending February 20 1961 written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: S>The LAMPRE-I project is summarized in terms of capsule development and production, sodium system, cover gas system, capsule charge, shielding, and fuel storage facility. The loading of the LAMPRE-I core was begun on January 20, 1961 with the sodium temperature set at 160 deg C. The reactor was brought to criticality on February 17, 1961. Operation of the Sodium Test Facility was continuous ex cept for 6 maintenance and inspection shutdowns resulting in 680 idle hours. The intermediate sodium heat exchanger, steam generating unit, centrifugal sodium pumps, sodium flow control valves, and gas-fired sodium heater are discussed. Heat transfer test results are given for the various components. Research and development activities for the LAMPRE program are reported in the topics fuel and alloy program, container alloy development, direct contact core studies, development of liquid fuels, container materials for reactor fuels, and fuel reprocessing. (M.C.G.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending November 20 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The development and operation of the Los Alamos Molten Plutonium Reactor Experiments are described. The development and compatibility of iron-- plutonium and cerium-cobalt-- plutonium alloy fuels are evaluated. The fabrication and testing of the liquid sodiam loop are summarized. The phase studies of plutoniam alloys containing neodymium, scandium, yttrium, praseodymium, and cerium-- cobalt mixtures are reported. (N.W.R.).
Download or read book Quarterly Status Report on Lampre Program for Period Ending August 20 1960 written by and published by . This book was released on 1960 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The LAMPRE-I project is summarized in terms of capsule development, sodium system, LCX-III, gas system, and fuel transfer and storage. The 2-Mw Sodium Test Facility was initially placed in operation on Mar. 15, 1960. Since startup, operation has been continuous except for 12 forced shutdowns required for maintenance of auxiliary steam-system equipment and repair of refractory setting in the gas-fired sodium heater. Essentially no maintenance or adjustment hns been required on sodium components or the steam generator. The steam- generating unit is illustrated and design heat-transfer criteria and observed heattransfer data are given. The intermediate sodium heat exchanger, centrifugal sodium pumps, gas-fired sodium heater, sodium flow-control valves, and purification cold trap are discussed briefly. Research and development activities for the LAMPRE Program are reported in the core-development program, core-test facility, mobileblanket studies, fuel-alloy development, container- materials development, and fuel processing. (For preceding period see LAMS- 2438.) (W.D.M.).
Download or read book Atomic Energy Research Reports for Sale by the U S Department of Commerce Office of Technical Services written by Business and Defense Services Administration and published by . This book was released on 1963 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1964 with total page 1568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
