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On Cratering: A Brief History, Analysis, and Theory of Cratering
Cratering is a subject that has been studied by many investigators for many years for many purposes. These purposes range from experimental studies of physical properties to large scale excavations using explosive charges of kiloton size. In the past ten years considerable effort has been devoted to cratering experiments for the purposes of determining the effects of cratering by nuclear explosions, with recent accent on Plowshare applications. From the large amount of data available for craters in alluvian has been possible to establish very reliable relationships between charge size, depth of bursty crater radii, and crater depths. In addition it has been possible to construct a preliminary theory of the mechanics of explosive crater formation. The available experimental data for nuclear and high explosive craters are reviewed, with particular emphasis on the data for desert alluvium, and the pertinent relationships are derived. A theory of the important cratering mechanisms, which has been evolved on the basis of these data and data from other sources, is outlined. (auth)
Date:
August 22, 1961
Creator:
Nordyke, M. D.
Object Type:
Report
System:
The UNT Digital Library
EVALUATION OF ULTIMATE DISPOSAL METHOD FOR LIQUID AND SOLID RADIOACTIVE WASTES. PART I. INTERIM LIQUID STORAGE
As the first part of a study to evaluate the economics of the various steps leading to and including the permanent disposal of high-activity liquid and solid radioactive waste, costs of interim liquid storage of acid and alkaline Purex and Thorex wastes were estimated for storage times of 0.5 to 30 years. A 6- ton/day plant was assumed, processing 1500 tons/year of uranium converter fuel at a burnup of 10,000 Mwd/ton and 270 tons/year of thorium converter fuel at a burnup of 20,000 Mwd/ton. Tanks of Savannah River design were assumed, with stainless steel construction for acid wastes and mild steel construction for neutralized wastes. The operating cycle of each tank was assumed to consist of equal filling and emptying periods plus a full (or dead) period. With interim storage time defined as filling time plus full time, tank costs were minimum when full time was 40 to 70% of the interim storage time, using present worth considerations. For waste storage times of 0.5 to 30 years, costs ranged from 2.2 x 10/sup -3/ to 9.5 x 10/sup -3/ mill/kwh/sub e/ for acid wastes and from 1.7 x 10/sup -3/ to 5.1 x 10/sup -3/ mill/kwh/sub e/ for neutralized wastes. …
Date:
August 22, 1961
Creator:
Bradshaw, R.L.; Perona, J.J.; Roberts, J.T. & Blomeke, J.O.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Wire Scanner for SM-1
Preliminary design concepts are presented for a wire scanner for experimentally evaluating spatial variations of neutron flux in the SM-l reactor core. Results of a literature search and determination of optimum criteria for flux mapping the core in minimum time dictated requirements for design concepts and specifications. The utility of both manually instrumented and automatically instrumented wire scanners was analyzed with respect to rapidity of measurement, selectivity of detector location, cost, value of data, plant downtime, and additional factors. (auth)
Date:
November 22, 1961
Creator:
Kemp, S. N.
Object Type:
Report
System:
The UNT Digital Library
Interim Report on the Development of an Air Pulser for Pulse Column Application
The Idaho Chemical Processing Plant for several years has been studying various pulsing systems, used in extraction columns for processing irradiated nucIear fuel elements, in an effort to eliminate the mechanical difficuittes in present pulsing systems. An air puising system has been demonstrated, and a discussion is given of experimental work, pulser design, and plant operational experience with this system. It is concluded, from work completed thus far that air puising of extraction columns is a considerable improvement over other systems. (auth)
Date:
September 22, 1961
Creator:
Weech, M. E.; P'Pool, R. S. & MacQueen, D. K.
Object Type:
Report
System:
The UNT Digital Library
EXPERIMENTAL ATTEMPTS TO STABILIZE A CUBIC FORM OF BeO
Binary mixtures of BeO with the oxides Al/sub 2/O/sub 3/, CaO, Li/sub 2/ O, MgO, Sc/sub 2/O/sub 3/, TiO/sub 2/, Y/sub 2/O/sub 3/, and ZrO/sub 2/ were fired to temperatures in excess of 2050 deg C in an attempt to produce a stabilized cubic crystalline modification of BeO. No evidence was observed in microscopic and x-ray diffraction analyses of the cooled specimens that a cubic form of BeO had formed in the experiment. (auth)
Date:
December 22, 1961
Creator:
Thoma, R.E.; Friedman, H.A. & McVay, T.N.
Object Type:
Report
System:
The UNT Digital Library
MARITIME GAS-COOLED REACTOR PROGRAM. A REVIEW OF THE MARITIME GAS-COOLED REACTOR PROGRAM
Presented at the Eleventh Professional Divisions Conference of the San Francisco Section of the American Society of Mechanical Engineers, Noveraber l6, l96l. The MGCR program and its objectives are discussed. The basic MGCR plant is described. The design of the Experimental Beryllium Oxide Reactor is also described. (M.C.G.)
Date:
December 22, 1961
Creator:
Trickett, K.A.
Object Type:
Report
System:
The UNT Digital Library
The Bellaire Texan (Bellaire, Tex.), Vol. 7, No. 52, Ed. 1 Wednesday, February 22, 1961
Weekly newspaper from Bellaire, Texas that includes local, state, and national news along with advertising.
Date:
February 22, 1961
Creator:
Norton, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
The Baylor County Banner (Seymour, Tex.), Vol. 65, No. 45, Ed. 1 Thursday, June 22, 1961
Weekly newspaper from Seymour, Texas that includes local, state, and national news along with advertising.
Date:
June 22, 1961
Creator:
Harrison, O. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), No. 40, Ed. 1 Friday, December 22, 1961
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1961
Creator:
Forson, Rance
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), No. 27, Ed. 1 Friday, September 22, 1961
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
September 22, 1961
Creator:
Forson, Rance
Object Type:
Newspaper
System:
The Portal to Texas History
The Bellaire Texan (Bellaire, Tex.), Vol. 8, No. 39, Ed. 1 Wednesday, November 22, 1961
Weekly newspaper from Bellaire, Texas that includes local, state, and national news along with advertising.
Date:
November 22, 1961
Creator:
Norton, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
Honey Grove Signal-Citizen (Honey Grove, Tex.), Vol. 71, No. 50, Ed. 1 Friday, December 22, 1961
Weekly newspaper from Honey Grove, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1961
Creator:
Morrow, Joe T.
Object Type:
Newspaper
System:
The Portal to Texas History
Honey Grove Signal-Citizen (Honey Grove, Tex.), Vol. 71, No. 37, Ed. 1 Friday, September 22, 1961
Weekly newspaper from Honey Grove, Texas that includes local, state, and national news along with advertising.
Date:
September 22, 1961
Creator:
Morrow, Joe T.
Object Type:
Newspaper
System:
The Portal to Texas History
The Bellaire Texan (Bellaire, Tex.), Vol. 8, No. 4, Ed. 1 Wednesday, March 22, 1961
Weekly newspaper from Bellaire, Texas that includes local, state, and national news along with advertising.
Date:
March 22, 1961
Creator:
Norton, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
The Panola Watchman (Carthage, Tex.), Vol. 88, No. 29, Ed. 1 Thursday, June 22, 1961
Weekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date:
June 22, 1961
Creator:
Applegate, Clabe
Object Type:
Newspaper
System:
The Portal to Texas History
The Brady Standard and Heart O' Texas News (Brady, Tex.), Vol. 52, No. 49, Ed. 1 Friday, September 22, 1961
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
September 22, 1961
Creator:
Smith, L. B.
Object Type:
Newspaper
System:
The Portal to Texas History
The Brady Herald (Brady, Tex.), Vol. 18, No. 43, Ed. 1 Tuesday, August 22, 1961
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
August 22, 1961
Creator:
Wilson, Bob
Object Type:
Newspaper
System:
The Portal to Texas History
The Brady Standard and Heart O' Texas News (Brady, Tex.), Vol. 53, No. 10, Ed. 1 Friday, December 22, 1961
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1961
Creator:
Smith, L. B.
Object Type:
Newspaper
System:
The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 88, No. 26, Ed. 1 Friday, December 22, 1961
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1961
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Clarksville Times (Clarksville, Tex.), Vol. 89, No. 49, Ed. 1 Friday, December 22, 1961
Weekly newspaper from Clarksville, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1961
Creator:
Pinson, Joe
Object Type:
Newspaper
System:
The Portal to Texas History
The Clarksville Times (Clarksville, Tex.), Vol. 89, No. 36, Ed. 1 Friday, September 22, 1961
Weekly newspaper from Clarksville, Texas that includes local, state, and national news along with advertising.
Date:
September 22, 1961
Creator:
Pinson, Joe
Object Type:
Newspaper
System:
The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 88, No. 13, Ed. 1 Friday, September 22, 1961
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
September 22, 1961
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
[Baby Junebug Clark with Accompanying Poem]
Photograph of Junebug Clark as a baby, sitting in a high chair with his hand in his mouth. The photograph is mounted next to a poem by Joe Clark, titled "Only a Snapshot." Junebug clark was born in April 1949, but this image was dated November 1961. It is assumed this date is when Joe this piece along with the poem. Photo by: Joe Clark, HBSS. Signed by: Joe Clark, HBSS Clark PhotoFile: 4988
Date:
November 22, 1961
Creator:
Clark, Joe
Object Type:
Photograph
System:
The UNT Digital Library
The Cherokeean. (Rusk, Tex.), Vol. 114, No. 1, Ed. 1 Thursday, June 22, 1961
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
June 22, 1961
Creator:
Whitehead, E. H.
Object Type:
Newspaper
System:
The Portal to Texas History