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Monday, July 20, 2020 | History

4 edition of Dry oxidation and fracture of LWR spent fuels found in the catalog.

Dry oxidation and fracture of LWR spent fuels

T. M Ahn

Dry oxidation and fracture of LWR spent fuels

by T. M Ahn

  • 88 Want to read
  • 38 Currently reading

Published by Division of Waste Management, Office of Nuclear Material Safety and Safeguards, U.S. Nuclear Regulatory Commission, Supt. of Docs., U.S. G.P.O. [distributor] in Washington, DC .
Written in English

    Subjects:
  • Spent reactor fuels -- Deterioration,
  • Radioactive wastes -- Deterioration

  • Edition Notes

    StatementT.M. Ahn
    ContributionsU.S. Nuclear Regulatory Commission. Division of Waste Management
    The Physical Object
    FormatMicroform
    Paginationviii, 29 p.
    Number of Pages29
    ID Numbers
    Open LibraryOL13619554M
    OCLC/WorldCa36487227

    Electrolysis of the Spent Caustic. The electrochemical destruction process of the mixture of spent caustics was done in galvanostatic mode, using the experimental system shown in Figure 2(b).In this process, a cell with a single compartment and a capacity of mL (reaction volume of mL, 8 rpm, K and Ti/Pt (3 cm 2 as counter electrode)) was by: 9. fossil fuels that is in the ground and recoverable at any cost is, of course, fixed but reserves can increase or decrease depending on how extraction technologies and prices evolve. Figure 1 plots reserves-to-consumption for oil, natural gas, and coal at the globalCited by:

    The CRC Fuels for Advanced Combustion Engines working group has worked to identify a matrix of research diesel fuels for use in advanced combustion research applications. Nine fuels were specified and formulated to investigate the effects of cetane number aromatic content and 90% distillation fractCited by: Oxidation of Automotive Primary Reference Fuels at Elevated Pressures H.J. Curran W.J. Pitz C.K. Westbrook C.V. Callahan F.L. Dryer March This is a preprint of a paper intended for publication in a journal or proceedings. Since changes may be made before .

    a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings detonation an extremely rapid oxidation reaction accompanied by a violent disruptive effect and an intense, high-speed shock wave. only, under accelerated oxidation conditions. ASTM D - IP - DIN Oxidation Stability of Aviation Fuels (Potential Residue Method) This test method covers the determination of the tendency of aviation reciprocating, turbine, and jet engine fuels to form gum and deposits under accelerated ageing conditions. Art. LT/OS/M.


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Dry oxidation and fracture of LWR spent fuels by T. M Ahn Download PDF EPUB FB2

This report evaluates the characteristics of oxidation and fracture of light-water reactor (LWR) spent fuel in dry air. It also discusses their effects on radionuclide releases in the anticipated high-level waste repository environment. A sphere model may describe diffusion-limited formation of lower oxides, such as U{sub 4}O{sub 9}, in the oxidation of the spent fuel (SF) by: 6.

Get this from a library. Dry oxidation and fracture of LWR spent fuels. [T M Ahn; U.S. Nuclear Regulatory Commission. Division of Waste Management.].

@article{osti_, title = {Control of degradation of spent LWR (light-water reactor) fuel during dry storage in an inert atmosphere}, author = {Cunningham, M E and Simonen, E P and Allemann, R T and Levy, I S and Hazelton, R F}, abstractNote = {Dry storage of Zircaloy-clad spent fuel in inert gas (referred to as inerted dry storage or IDS) is being developed as an alternative to water.

Fig. 1 shows time-to-breach propagation as a function of temperature for spent LWR fuels. Two generic observations may be realized: the amount of available data is rather scarce, particularly because they involved changes in the three main variables (i.e., temperature, burnup and defect size/shape); temperature ranges of PWR and BWR data sets are different and limited; whereas the PWR data Cited by: 8.

Interim dry storage of spent light-water reactor (LWR) fuel is being developed as a licensed technology in the United States. Because it is anticipated that license agreements will specify dry storage atmospheres, the behavior of spent LWR fuel in a nitrogen atmosphere during dry storage was. The samples used in the present study were LWR UO 2 spent fuel ( GWd/t(U)) pieces previously oxidised in flowing dry air at °C.

The initial weight of the samples was approximately mg. As seen by the weight gain as a function of time, an initial (very fast) oxidation occurs and is followed by a it is assumed that all the weight change is due to the oxygen reaction with Cited by: 7.

Longer-term dry cask storage, beyond the period of 40 years, raises questions about the state of the casks and especially on the integrity of the fuel assemblies inside.

Order Dry Storage of Low-Water Reactor essay paper from per page or use for FREE. ATP serves as the principal immediate donor of free energy in biological systems rather than as a long-term storage form of free energy.

In a typical cell, an ATP molecule is consumed within a minute of its formation. Although the total quantity of ATP in the body is limited to approximately g, the turnover of this small quantity of ATP is very : Jeremy M Berg, John L Tymoczko, Lubert Stryer.

fuels and cladding for light water reactors to improve safety in the event of accidents in the reactor or spent fuel pools.” Fuels with enhanced accident tolerance are those that, in comparison with the standard UO 2 – zirconium alloy system currently used by the nuclear industry, can tolerate loss of active cooling in.

The effects of creep and hydride on spent fuel integrity during interim dry storage Article (PDF Available) in Nuclear Engineering and Technology 42(3) June with Reads. The direct electrochemical oxidation of dry hydrocarbon fuels to generate electrical power has the potential to accelerate substantially the use of fuel cells in transportation and distributed.

The use of renewable fuels, such as biodiesel, in motor vehicle fuels is expected to grow rapidly in North America as a result of government mandates, both federal and state/provincial.

Bio-diesel or B obtained from trans-esterification of fat and vegetable oils with methanol areFile Size: 2MB. Oxidation Cell, of borosilicate glass, as shown in Fig. 1, shall consist of a test tube, condenser, and oxygen delivery tube.

This cell is identical to that used in Test Method D Heating Bath, with a thermostatically controlled liquid medium, shall be capable of maintaining the bath temperature at 95File Size: 48KB.

LWR fuels with enhanced performance and safety, and reduced waste volume FR transmutation fuels (metallic fuel as baseline) with enhanced proliferation resistance and resource utilization Campaign Mission: Development and demonstration of advanced fuels (and cladding) to support the sustainable nuclear energy and associated fuel.

The engineered reversal of the β-oxidation cycle operated at a maximum flux of mmol acetyl-CoA per g cell dry weight per h (12–18 h in Fig. 2b), which exceeds the flux reported in the. Tae Wook Heo, Kimberly B.

Colas, Arthur T. Motta, Long-Qing Chen "A phase-field model for hydride formation in polycrystalline metals: Application to δ-hydride in zirconium alloys", Acta Materialia, () Brendan Ensor, David J. Spengler, John R. Seidensticker, Ram Bajaj, Zhonghou Cai, Arthur T.

Motta "Microbeam synchrotron radiation diffraction and fluorescence of oxide. The question of 。ーhow to manage the spent fuel discharged from reactors。ア has been a key factor to be considered, as part of the sustainable supply of nuclear energy in the future.

With the volume reduction perspective of the spent fuels to be stored and/or disposed of, a lithium reduction process has been developed in Korea. Alternative Routes for the Production of Fuels [American Chemical Society - Division of Fuel Chemistry] on *FREE* shipping on qualifying offers.

Alternative Routes for the Production of FuelsAuthor: American Chemical Society - Division of Fuel Chemistry. Four lower rank coals were oxidized in N Na2CO3 aqueous solution, into which atmospheric oxygen gas was bubbled.

The reaction was carried out at 20−85 °C, and, after cooling to ambient temperature, the slurry was acidified (pH ) with a 5 N HCl solution. The coals oxidized at 85 °C for 6−24 h were extracted with methanol/tetrahydrofuran mixtures of 25/75 and 50/50 in volume ratio Cited by:.

Oxidation stability of mineral insulating oils Category: Oxidation Stability New compact equipment acc. to ASTM DIEC (A, B and C) available in 4, 6, 8 or position aluminum-block versions with mass-flow controllers and knob + display.

Oxidation of several liquid, long chain hydrocarbons (alkanes, alkenes, arenes, and a light gas oil, LCGO, product of a coking process) has been studied by using a low-pressure high-voltage oxygen plasma. Olefins were readily oxidized to epoxides and carbonyl compounds, O(3P) being the active species in the plasma.

At long treatment times the saturated chains of the olefins also reacted Cited by: Nuclear waste repositories have been investigated since the late s. Site evaluation and conceptual designs have been developed in many countries, including the United States, Sweden, and Germany.

All concepts are largely based on disposal in repositories approximately to 1, meters below.