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A 200-Watt Conduction-Cooled Reactor Power Supply for Space Application
The limited supply of relatively long-half-life isotopes having a reasonably high power density and the low conversion efficiencies obtainable with thermoelectric devices have so far limited the power output of isotope-fueled sources of electric power to several tens of watts. In addition, the high cost of the available isotopes results in a very large expense for isotope-fueled generators producing several hundred watts. It appears that a small, minimumweight, conduction-cooled reactor is an attractive alternate to the isotope-fueled power supplies in the 200-w size range. The proposed reactor is a small, high-density fast core of U/sup 233/ surrounded by a beryllium reflector. This approach, generally speaking, gives a reactor that is more compact and of lighter weight than can be obtained with a moderated system having a softer neutron spectrum. In the reactor design, the path of heat flow is from the core to the inner reflector and then to the thermoelements in close contact with the inner reflector. The reject heat flowing from the thermoelement cold junctions enters the outer pontion of the reflector, which acts as the heat sink and conducts the reject heat to the large, circular, tapered-fin radiator which is attached to the reflector. Survey physics calculations …
Date:
March 1, 1963
Creator:
MacFarlane, D. R.
Object Type:
Report
System:
The UNT Digital Library
A 1000 HOUR TEST OF A CORROSION PRODUCT SEPARATOR UNIT IN A HAYNES ALLOY NO. 25 LOOP CONTAINING MERCURY--TEST G-16
One of the major unsolved problems affecting the life of the SNAP II Power Conversion System is the mass transfer of corrosion products by mercury and subsequent deposition. It is feared that the corrosion products might tend to accumulate in critical areas such as orifices, bearings and so forth. Therefore, this test was conducted to evaluate a corrosion product separator and to determine the influence of corrosion product removal on corrosion rate. The corrosion product separator was successful in removing 85 percent of the elements corroded from the container walls. The loop and separator, both fabricated from Haynes alloy No. 25, operated for 1000 hours. The mercury was boiled and condensed at 1100 deg F, superheated to 1190 deg F and subcooled to 325 deg F. The flow rate in this loop was much higher than in previous loops, being approximately 37 pounds of mercury per hour as contrasted with approximately l2 pounds of raercury per hour. No increase in corrosion rate was noticed as a result of the higher flow rates and velocity or by the removal of corrosion products. If this type of separator or an improved type works equally as well in the final application, the danger …
Date:
March 1, 1962
Creator:
Nejedlik, James F.
Object Type:
Report
System:
The UNT Digital Library
1000 Mwe Closed Cycle Water Reactor Study
This report has two volumes, volume 1 contains the summary and detailed description of plant design, volume 2 contains a comprehensive nuclear evaluation of the reactor core.
Date:
March 1, 1963
Creator:
Westinghouse Electric Corp., Pittsburgh, Pa. Atomic Power Div.
Object Type:
Report
System:
The UNT Digital Library
1000 MWE Closed Cycle Water Reactor Study Volume II
This report includes the nuclear evaluation that has been conducted for the purpse of studying those problem areas which are expected to increase in severity as the core size is increased to produce 1000 MWE.
Date:
March 1, 1963
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
2000 KILOWATT SODIUM TEST FACILITY. Project Description and Progress Reports, June 30, 1958 through September 30, 1959
The design and construction work completed on the 2000-kw Sodium Teat Facility during the period from April 1958 to Oct. 1959 is described. The purpose of the facility project in to test models of equipment components which are to be used in a moltsn plutonium, sodiumcooled fast reactor. (D. L.C.)
Date:
March 1, 1961
Creator:
Whinery, L.A.
Object Type:
Report
System:
The UNT Digital Library
The Abilene Reporter-News (Abilene, Tex.), Vol. 79, No. 258, Ed. 1 Tuesday, March 1, 1960
Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date:
March 1, 1960
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Abilene Reporter-News (Abilene, Tex.), Vol. 80, No. 255, Ed. 1 Wednesday, March 1, 1961
Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date:
March 1, 1961
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Abilene Reporter-News (Abilene, Tex.), Vol. 81, No. 257, Ed. 1 Thursday, March 1, 1962
Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date:
March 1, 1962
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
ABRAC--AN IBM-704 THREE DIMENSIONAL NUCLEAR-THERMAL DEPLETION PROGRAM WITH DISTRIBUTED VOID EFFECTS
ABRAC is a three dimensional nuclear thermal depletion program to study the effects of water moderator density changes, resulting from flow variations and boiling, on neutron flux distribution and depletion. The program requires an IBM-704 with a memory of 32.768 words and ten tape units. (auth)
Date:
March 1, 1960
Creator:
Jacobi, W. M.; Lawton, T. J.; Meanor, S. H. & Parrette, J. R.
Object Type:
Report
System:
The UNT Digital Library
Accurate Nuclear Fuel Burnup Analyses; Ninth Quarterly Progress Report, (December 1963 - February 1964)
The objective of the Accurate Nuclear Fuel Burnup Analyses program is to develop more accurate methods for burnup analysis for general use than the current method of analysis of Ca-137 or Sr-90. The program will require from three to five years of effort.
Date:
March 1, 1964
Creator:
Rider, B. F.; Peterson, J. P., Jr.; Ruiz, C. P. & Smith, F. R.
Object Type:
Report
System:
The UNT Digital Library
Accurate Nuclear Fuel Burnup Analysis. Thirteenth Quarterly Progress Report, December 1964-February 1965
None
Date:
March 1, 1965
Creator:
Rider, B. F.; Ruiz, C. P.; Peterson, J. P., Jr.; Seymour, R. S.; Jaech, J. L. & Smith, F. R.
Object Type:
Report
System:
The UNT Digital Library
The Ada Evening News (Ada, Okla.), Vol. 56, No. 304, Ed. 1 Tuesday, March 1, 1960
Daily newspaper from Ada, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 1, 1960
Creator:
Little, W. D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Ada Evening News (Ada, Okla.), Vol. 57, No. 306, Ed. 1 Wednesday, March 1, 1961
Daily newspaper from Ada, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 1, 1961
Creator:
Little, W. D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Adath Emeth Bulletin, March 1, 1963
Newsletter of the Adath Emeth congregation in Houston, including news and events, upcoming services, member announcements, editorials, and other information of interest to congregants. This issue discusses the Purim festival.
Date:
March 1, 1963
Creator:
Congregation Adath Emeth
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
ADVENTURES IN NUCLEAR PHYSICS
None
Date:
March 1, 1962
Creator:
Alvarez, Luis W.
Object Type:
Report
System:
The UNT Digital Library
Aerial View of A and W Lumber Company
Photo of aerial view of A and W Lumber Company at 2120 SW 15th Street, Oklahoma City, Oklahoma.
Date:
March 1, 1967
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Aerojet Response to Contract SNP-1 Contract Year 1963 Preliminary Review
The preliminary evaluation report and transmittal letter rated the Aerojet-General 1963 Contract Year's work on the NERVA program as "below normal" in its overall performance.
Date:
March 1, 1964
Creator:
United States. Department of Energy.
Object Type:
Report
System:
The UNT Digital Library
AGC program plan RN-69005, fluidic controls, SRT
This report talks AGC program plan RN-69005, fluidic controls,
Date:
March 1, 1969
Creator:
Ryland, G. L.
Object Type:
Report
System:
The UNT Digital Library
Air Pulser for H-1 Column
Studies the prototype and production air pulse units.
Date:
March 1, 1961
Creator:
Bruns, L.E.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 78, No. 26, Ed. 1 Thursday, March 1, 1962
Weekly newspaper from Albany, Texas that includes local, state and national news along with advertising.
Date:
March 1, 1962
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Alternating Direction and Semi-Explicit Difference Methods for Parabolic Partial Differential Equations
"The energy method is applied to study the stability of two types of difference approximations to parabolic partial differential equations, the alternating direction methods Douglas, Peaceman, and Rachford, and a new semi- explicit method. Each difference scheme is proved to be unconditionally stable. These results apply to parabolic equations with variable coefficients, defined in cylindrical domains with an essentially arbitrary bounded base."
Date:
March 1, 1961
Creator:
Lees, Milton
Object Type:
Report
System:
The UNT Digital Library
The Alto Herald (Alto, Tex.), No. 39, Ed. 1 Thursday, March 1, 1962
Weekly newspaper from Alto, Texas that includes local, state and national news along with extensive advertising.
Date:
March 1, 1962
Creator:
Mrs. Frank L. Weimar and Son
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times-Democrat (Altus, Okla.), Vol. 38, No. 125, Ed. 1 Sunday, March 1, 1964
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 1, 1964
Creator:
Buckley, Callaway
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times-Democrat (Altus, Okla.), Vol. 39, No. 125, Ed. 1 Monday, March 1, 1965
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 1, 1965
Creator:
Buckley, Callaway & Wimberly, Harrington
Object Type:
Newspaper
System:
The Gateway to Oklahoma History