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Some Scoping Experiments for a Space Reactor
Some scoping experiments were performed to evaluate fuel performance in a lithium heat pipe reactor operating at a nominal 1500K heat pipe temperature. Fuel-coolant and fuel-coolant-clad relationships showed that once a failed heat pipe occurs temperatures can rise high enough so that large concentrations of uranium can be transported by the vapor phase. Upon condensation this uranium would be capable of penetrating heat pipes adjacent to the failed pipe. The potential for propagation of failure exists with UO/sub 2/ and a lithium heat pipe. Changing the composition of the metal of the heat pipe would have only a second order effect on the kinetics of the failure mechanism. Uranium carbide and nitride were considered as potential fuels which are nonreactive in a lithium environment. At high temperatures the nitride would be favored because of its better compatibility with potential cladding materials. Compositions of UN with small additions of YN appear to offer very attractive properties for a compact high temperature high power density reactor.
Date:
July 7, 1983
Creator:
Alexander, C. A. & Ogden, J. S.
Object Type:
Report
System:
The UNT Digital Library
References to Safeguards, Physical Security, and Related Matters in the Nuclear Non-proliferation Act of 1978 (P.L. 95-242)
This report includes tables and excerpts of references to safeguards, physical security, and related matters in the Nuclear Non-proliferation Act of 1978.
Date:
July 7, 1978
Creator:
Kramer, Donna S. & Donnelly, Warren H.
Object Type:
Report
System:
The UNT Digital Library
Hyper filter-fluorescer spectrometer for x rays above 120 keV
An apparatus utilizing filter-fluorescer combinations is provided to measure short bursts of high fluence x-rays above 120 keV energy, where there are no practical absorption edges available for conventional filter-fluorescer techniques. The absorption edge of the prefilter is chosen to be less than that of the fluorescer, i.e., E/sub PRF/ < E/sub F/, contrary to the prior art technique E/sub PRF/ > E/sub F/. In this way, the response function is virtually zero between E/sub PRF/ and E/sub F/ and well defined and enhanced in an energy band of less than 1000 keV above the 120 keV energy.
Date:
July 7, 1981
Creator:
Wang, C. L.
Object Type:
Patent
System:
The UNT Digital Library
Search for narrow states produced in the reaction. pi. /sup -/p. -->. n +. gamma. 's at 13 GeV/c
A double arm lead-glass lead-scintillator calorimeter system was used to search for narrow states, such as the eta/sub c/, produced in the exclusive reactions ..pi../sup -/p ..-->.. ..gamma gamma..n, ..pi../sup -/p ..-->.. ..pi../sup 0/..gamma..n, and ..pi../sup -/p ..-->.. ..pi../sup 0/..pi../sup 0/n at 13 GeV/c. A 90% c.l. upper limit sigma.BR < 260 pb was found for ..gamma gamma.. states with masses from 2.6 to 3.1 GeV/c/sup 2/. Corresponding limits on narrow ..pi../sup 0/..gamma.. and ..pi../sup 0/..pi../sup 0/ states are also given.
Date:
July 7, 1980
Creator:
Chiang, I. H.; Johnson, R. A. & Kwan, B.
Object Type:
Article
System:
The UNT Digital Library
Magnetic testing probe
A cylindrical eddy current tube testing probe is disclosed. Current flow in dual electromagnetic coils separated by an eddy current sensing coil is so directed that magnetic fields of the electromagnet coils have components extending in opposite directions axially of the tested tube and components extending radially of the tube which add in the region of the eddy current sensing coil.
Date:
July 7, 1981
Creator:
Scott, G.W. & Chitwood, L.D.
Object Type:
Patent
System:
The UNT Digital Library
High pressure gas metering project
The initial research and development of a system that uses high pressure helium gas to pressurize vessels over a wide range of pressurization rates, vessel volumes, and maximum test pressures are described. A method of controlling the mass flow rate in a test vessel was developed by using the pressure difference across a capillary tube. The mass flow rate is related to the pressurization rate through a real gas equation of state. The resulting mass flow equation is then used in a control algorithm. Plots of two typical pressurization tests run on a manually operated system are included.
Date:
July 7, 1980
Creator:
Tripp, L.R.
Object Type:
Report
System:
The UNT Digital Library
450/sup 0/F step transient thermal analysis of the LOFT pressurizer surge and spray line piping
The LOFT pressurizer spray and surge line piping was analyzed for a 450/sup 0/F step change in fluid temperature. This transient was chosen to conservatively represent several pressurizer operating transients that had not previously been analyzed. These include temperature transients resulting from a 300/sup 0/F ..delta..T between pressurizer temperature and cold leg temperature, injection of a cooled (70/sup 0/F) slug of stagnant fluid into the hot (540/sup 0/F) spray line piping, and inflow of 100/sup 0/F primary coolant system water into the hot (480/sup 0/F) surge line piping.
Date:
July 7, 1977
Creator:
Tolan, B.J.
Object Type:
Report
System:
The UNT Digital Library
Army - Surge #39 –April 19, 2005 - Briefing and Minutes
DISREGARD RESTRICTION HEADER AND FOOTER - Briefing Includes: Present for information: Timeline Update; Present for review: Topics for Discussion, Review and Assessment of Candidate Recommendations, SECARMY BRAC Brief to SECDEF, Army Justification for CRs that do not Save Money, Final Army Candidate Recommendations/Integration Results, Quantitative Roll-Up of Candidate Recommendations to Date; Recommendations; Way Ahead
Date:
July 7, 2005
Creator:
United States. Department of Defense.
Object Type:
Text
System:
The UNT Digital Library
Army - Surge #40 – April 26, 2005- Briefing and Minutes
DISREGARD RESTRICTION HEADER AND FOOTER - Briefing Includes: Present for information: Timeline Update; Present for review: Topics for Discussion, Review and Assessment of JCSG Candidate Recommendations, Final Review of Candidate Recommendations, EOH Forum Brief, Quantitative Roll-Up of Candidate Recommendations to Date, Recommendations; Way Ahead
Date:
July 7, 2005
Creator:
United States. Department of Defense.
Object Type:
Text
System:
The UNT Digital Library
Army - Surge #41 – May 3, 2005- Briefing and Minutes
DISREGARD RESTRICTION HEADER AND FOOTER - Briefing Includes: Present for information: Timeline Update; Present for review: Topics for Discussion, Review and Assessment of JCSG Candidate Recommendations, Quantitative Roll-Up of Candidate Recommendations to Date; Recommendations; Way Ahead
Date:
July 7, 2005
Creator:
United States. Department of Defense.
Object Type:
Text
System:
The UNT Digital Library
Army - Surge #42 - May 10, 2005- Briefing and Minutes
DISREGARD RESTRICTION HEADER AND FOOTER - Briefing Includes: Present for information: Timeline Update; Present for review: Topics for Discussion, Quantitative Roll-Up of Candidate Recommendations to Date; Recommendations; Way Ahead
Date:
July 7, 2005
Creator:
United States. Department of Defense.
Object Type:
Text
System:
The UNT Digital Library
Executive Correspondence – Letter dtd 07/05/2005 to Chairman Principi from Representatives Pallone, Corzine, Lautenberg, Holt, Andrews, Smith, Pascrell, Rothman, Payne, and Menendez
Executive Correspondence – Letter dtd 07/05/2005 to Chairman Principi from Representatives Pallone, Corzine, Lautenberg, Holt, Andrews, Smith, Pascrell, Rothman, Payne, and Menendez requesting that the Commission hold a hearing to analyze the overall effect of the 2005 BRAC (especially Fort Monmouth) to national security.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Executive Correspondence – Letter dtd 07/01/2005 to Commission House Liaison Deirdre Walsh from Representative Sherwood Boehlert (24th, NY)
Executive Correspondence – Letter dtd 07/01/2005 to Commission House Liaison Deirdre Walsh from Representative Sherwood Boehlert (24th, NY) enclosing petitions of constituents in favor of retaining DFAS Rome.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/28/05 from Chancellor Kirwan of the University System of Maryland
Coalition Correspondence – Letter dtd 06/28/05 from Chancellor Kirwan of the University System of Maryland submitting comments and expressing strong support for the 2005 BRAC recommendations.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 07/01/05 to Chairman Principi from the California Society of Pathologists
Coalition Correspondence – Letter dtd 07/01/05 to Chairman Principi from the California Society of Pathologists strongly criticizing DoD’s BRAC recommendation as regards The Armed Forces Institute of Pathology.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/29/05 to the Commission from the Greater Harford Committee, Inc
Coalition Correspondence – Letter dtd 06/29/05 to the Commission from the Greater Harford Committee, Inc. in Bel Air MD expressing strong support for the DoD’s BRAC recommendations.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/30/05 to Chairman Principi from UMASS President Jack Wilson
Coalition Correspondence – Letter dtd 06/30/05 to Chairman Principi from UMASS President Jack Wilson expressing strong support for DoD’s recommendations concerning Hanscom AFB and Soldier Systems Center – Natick.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/30/05 to Chairman Principi from James Brett of the New England Council
Coalition Correspondence – Letter dtd 06/30/05 to Chairman Principi from James Brett of the New England Council expressing opposition to DoD BRAC recommendations concerning Submarine Base New London, Portsmouth Naval Shipyard, Otis ANG Base, and NAS Brunswick.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/29/05 to chairman Principi from Cheshire CT Chamber of Commerce President James Miele
Coalition Correspondence – Letter dtd 06/29/05 to chairman Principi from Cheshire CT Chamber of Commerce President James Miele expressing the Chamber’s concern regarding the proposed closure of Submarine Base New London.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/30/05 to Chairman Principi from Mass Software Council President Joyce Plotkin
Coalition Correspondence – Letter dtd 06/30/05 to Chairman Principi from Mass Software Council President Joyce Plotkin expressing strong support for DoD’s recommendations concerning Hanscom AFB and Soldier Systems Center – Natick.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 07/01/05 to Chairman Principi from Maine Tourism Association CEO Vaughn Stimson
Coalition Correspondence – Letter dtd 07/01/05 to Chairman Principi from Maine Tourism Association CEO Vaughn Stimson urging the Commission to keep NAS Brunswick fully operational.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Undated letter to the Commission from the Harford County Associaton of Realtors
Coalition Correspondence – Undated letter to the Commission from the Harford County Association of Realtors, Inc. expressing strong support for the DoD’s BRAC recommendations.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 07/01/05 to the Commission from Ballston-Virginia Square Partnership
Coalition Correspondence – Letter dtd 07/01/05 to the Commission from Ballston-Virginia Square Partnership President Kenneth Ingram conveying the organization’s concern with DoD’s recommendations to relocate nearly 23,000 employees out of leased space in Northern VA.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Coalition Correspondence – Letter dtd 06/28/05 to Commission AF Team Leader Kenneth Small from Bay County Defense Alliance President Dantzler
Coalition Correspondence – Letter dtd 06/28/05 to Commission AF Team Leader Kenneth Small from Bay County Defense Alliance President Dantzler thanking Mr. Small for meeting with the group to discuss Tyndall AFB.
Date:
July 7, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library