Fuel Cycle Program A Boiling Water Reactor Research And Development Program Eleventh Quarterly Progress Report January March 1963
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Fuel Cycle Program A Boiling Water Reactor Research And Development Program Eleventh Quarterly Progress Report January March 1963
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Author : C. L. Howard
language : en
Publisher:
Release Date : 1963
Fuel Cycle Program A Boiling Water Reactor Research And Development Program Eleventh Quarterly Progress Report January March 1963 written by C. L. Howard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
Fuel Cycle Program A Boiling Water Reactor Research And Development Program Eleventh Quarterly Progress Report January March 1963
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1963
Fuel Cycle Program A Boiling Water Reactor Research And Development Program Eleventh Quarterly Progress Report January March 1963 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
Even though VBWR shutdowns were required for location and removal of five failed fuel assemblies (HPD Program), the increase in fuel exposure was good. Fuel exposures wili pass the values at which cold worked stainless steel cladding was failing under the HPD Program. Failure of the 0.005-inch cold worked stainless steel clad fuel rods in assembly 8L was traced to strain cycling fatigue. A study of tapered fuel rods indicates a potential advantage for us of a variable water/fuel ratio along the flow channel. Natural circulation tests in the hydraulic stability loop were conducted over a range of conditions from stable, to oscillatory with exponential decay, to self-sustaining oscillation of constant amplitude, to unstable oscillations with divergent amplitude. The response to impulses in power input shows the effect of the time delay for transporting steam voids up through the riser. The data permit calculation of oscillation frequency, damping coefficient, time lags, and show the magnitude and character of pressure and velocity changes. The data, which have an experimental scatter of plus or minus 10% maximum, show that burnout heat fiux: decreases with increasing flow up to 2 x 108 lb/hr-ft2; has a maximum for hydraulic diameter between 0.25 and 0.5 inch; and decreases for pressure increases between 600 to 1400 psi. A correlating equation for the data is given. The data are compared to results of others. Tests of special geometries show that the burnout heat flux: decreases 22 to 50% when the heated rod is within 0.033 inch of the channel wall; is unchanged upstream of a plate-type spacer; decreases 35 to 50% when the rod surface is roughened by sandblasting; is increased 20 to 40% by use of a rough liner. The four-rod test section is operating satisfactorily and 17 critical heat fiux data points are obtained at 1000 psia and flows of 0.5, 1.0, and 1.5 x 106 lb/hr-ft2. In each case the critical heat flux occurred at the exit end and on the side of the rod facing the corner of the channel. The evaluation of film trippers (rough liner) on the unheated channel walls indicates considerable promise for increasing the burnout heat flux limit. The theory of operation is that the liquid film on the unheated wail is sheared off and dispersed, thus adding to the liquid film on the heated rod. Measurements with a heater rod bowed so that it is in contact with the channel wall show that the critical heat flux is decreased by a factor of two or more from values with normal clearance. Temperature measurements on the rod, when operating past the critical heat flux, were in the order of magnitude of 1000 deg F for heat fluxes of about 500,000--600,000 Btu/hr-ft2. Chemical analyses for radial variations in isotopic composition within a fuel pellet are nearly completed and are compiled for interpretation. (N.W.R.).
Power Reactor Technology And Reactor Fuel Processing
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Author :
language : en
Publisher:
Release Date : 1963
Power Reactor Technology And Reactor Fuel Processing written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear engineering categories.
Power Reactor Technology
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Author :
language : en
Publisher:
Release Date : 1963
Power Reactor Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear engineering categories.
Fuel Cycle Program A Boiling Water Reactor Research And Development Program
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Author :
language : en
Publisher:
Release Date : 1960-08
Fuel Cycle Program A Boiling Water Reactor Research And Development Program written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960-08 with Boiling water reactors categories.
Atomic Energy Research Reports For Sale By The U S Department Of Commerce Office Of Technical Services
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Author : Business and Defense Services Administration
language : en
Publisher:
Release Date : 1963
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 has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
Nuclear Safety
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Author :
language : en
Publisher:
Release Date : 1964
Nuclear Safety written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Nuclear engineering categories.
Experience With Stainless Steel As A Fuel Cladding Material In Water Cooled Power Reactor Applications
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Author : T. J. Pashos
language : en
Publisher:
Release Date : 1963
Experience With Stainless Steel As A Fuel Cladding Material In Water Cooled Power Reactor Applications written by T. J. Pashos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Metal cladding categories.
List
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Author :
language : en
Publisher:
Release Date : 1948
List written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Nuclear energy categories.
Fuel Elements For Water Reactors
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Author : Sherman Naymark
language : en
Publisher:
Release Date : 1963
Fuel Elements For Water Reactors written by Sherman Naymark and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear fuel elements categories.