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Application of microfabrication technology to thermionic energy conversion. Progress report 4, 1 May 1980 to 31 July 1980
Two applications of microfabrication technology to thermionic converters have been investigated theoretically. The first is a novel method of maintaining micron or submicron spacings over large areas (>1 cm/sup 2/), using metals of different expansion coefficients to eliminate the shear stresses on the insulating pillars separating the electrodes. The second uses low-voltage field-emission sources to create ions in a large (approx. 1 mm) interelectrode gap for space charge neutralization. The theoretical results for both these approaches are highly encouraging.
Date:
September 5, 1980
Creator:
Brodie, I.
Object Type:
Report
System:
The UNT Digital Library
Shiva automatic pinhole alignment
This paper describes a computer controlled closed loop alignment subsystem for Shiva, which represents the first use of video sensors for large laser alignment at LLNL. The techniques used on this now operational subsystem are serving as the basis for all closed loop alignment on Nova, the 200 terawatt successor to Shiva.
Date:
September 5, 1980
Creator:
Suski, G.J.
Object Type:
Article
System:
The UNT Digital Library
Three-dimensional thermal analysis of a baseline spent fuel repository
A three-dimensional thermal analysis has been performed using finite difference techniques to determine the near-field response of a baseline spent fuel repository in a deep geologic salt medium. A baseline design incorporates previous thermal modeling experience and OWI recommendations for areal thermal loading in specifying the waste form properties, package details, and emplacement configuration. The base case in this thermal analysis considers one 10-year old PWR spent fuel assembly emplaced to yield a 36 kw/acre (8.9 w/m/sup 2/) loading. A unit cell model in an infinite array is used to simplify the problem and provide upper-bound temperatures. Boundary conditions are imposed which allow simulations to 1000 years. Variations studied include a comparison of ventilated and unventilated storage room conditions, emplacement packages with and without air gaps surrounding the canister, and room cool-down scenarios with ventilation following an unventilated state for retrieval purposes. At this low power level ventilating the emplacement room has an immediate cooling influence on the canister and effectively maintains the emplacement room floor near the temperature of the ventilating air. The annular gap separating the canister and sleeve causes the peak temperature of the canister surface to rise by 10/sup 0/F (5.6/sup 0/C) over that from a …
Date:
June 5, 1980
Creator:
Altenbach, T.J. & Lowry, W.E.
Object Type:
Article
System:
The UNT Digital Library
Chief financial officer's task force on rationing feasibility, cost and schedule. Final report
The purpose of this memorandum is to report our realistic assessment of the feasibility, cost, and time frame for bringing a rationing program to 90-day readiness. The basic aspects of the nature of the rationing plan are discussed. The plan has been changed in several respects in response to comments from the Congress, the general public and the ECC, since the previous version was rejected by the Congress in May 1979. Three changes in particular impact the preimplementation process: The range of entities accorded status as priority firms has increased to cover such groups as telecommunications firms and for-hire delivery firms; All firms (not just priority users) are alloted rights for a percentage of their historical gasoline usage; States have more influence on the division of the total state supply between state reserves and vehicle allotments. The rationing plan, is described on a chart depicting the interaction of the principal components is included. The rationing process starts when checks for coupons are sent to owners of registered vehicles. The biggest single problem area appears to be delivering these checks into the hands of the vehicle registrants who are entitled to them. (DMC)
Date:
March 5, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Holographic and acoustic emission evaluation of pressure vessels
Optical holographic interfereometry and acoustic emission monitoring were simultaneously used to evaluate two small, high pressure vessels during pressurization. The techniques provide pressure vessel designers with both quantitative information such as displacement/strain measurements and qualitative information such as flaw detection. The data from the holographic interferograms were analyzed for strain profiles. The acoustic emission signals were monitored for crack growth and vessel quality.
Date:
March 5, 1980
Creator:
Boyd, D.M.
Object Type:
Article
System:
The UNT Digital Library
Application of digital image analysis techniques to the Geyser's data and topography
This paper describes the results of digital image analysis and techniques applied to acoustic sounder data and topographic relief in the Geyser's region. The two dimensional fast Fourier transform (2DFFT) represents the spacial variability of a photographic image. The spacial variability of topography in complex terrain can be represented in this way and insight into degree of complexity and dominating spacial wavelengths can be gained. This was performed for a 16 km square digitized topographic map of the Geyser's region with 63.5 m resolution. It was also of interest to compare facsimile recordings of acoustic sounder data to optical turbulence measurements.
Date:
May 5, 1980
Creator:
Porch, W.M.
Object Type:
Article
System:
The UNT Digital Library
Recent developments in nuclear reaction theories and calculations
A brief review is given of some recent developments in the fields of optical model potentials; level densities; and statistical model, precompound, and direct reaction codes and calculations. Significant developments have occurred in all of these fields since the 1977 Conference on Neutron Cross Sections, which will greatly enhance the ability to calculate high-energy neutron-induced reaction cross sections in the next few years. 11 figures, 3 tables.
Date:
May 5, 1980
Creator:
Gardner, D. G.
Object Type:
Article
System:
The UNT Digital Library
Low-temperature hydrothermal resource evaluation
The objectives of testing low-temperature hydrothermal wells are to characterize well response to production (injection), determine resource characteristics and project reservoir longevity. Testing procedures and analysis techniques differ in some respects from proven procedures in the oil and gas and ground water fields. Some basic definitions and standard techniques necessary for the evaluation of a fluid resource in an intergranular permeable reservoir are presented. Problems particular to a non-ideal thermal resource are outlined and some analytical techniques are discussed.
Date:
May 5, 1980
Creator:
Goldman, D.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0052.1019]
Photograph taken for a story in the Oklahoma City Times newspaper. Caption: "These seats were damaged by heavy i-beams that rammed the school bus."
Date:
September 5, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0126]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Sharon Clark and Lawyer Tommy Frasier."
Date:
September 5, 1980
Creator:
Longstreath, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0532]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cleary shows that the wing can be folded for transport atop his automobile."
Date:
November 5, 1980
Creator:
Lynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0530]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A cowling Cleary designed will cover rudder pedals to reduce wind drag."
Date:
November 5, 1980
Creator:
Kynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0024]
Photograph used for a story in the Oklahoma Times newspaper.
Date:
February 5, 1980
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0155.0647]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The wind nips the cheeks of Putnam City West student Gayle Deal as she carves a cartoon character from a large block of ice."
Date:
January 5, 1980
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0162.0389]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
October 5, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0172.0492]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Oklahoma Christian Apartments are nearing completion in Edmond."
Date:
July 5, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0158.0118]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Jack Lucker, third place winner, left, and Bob and Judy Williams, first and second place winners, gather for a jam session during the fiddlers contest at Del City."
Date:
July 5, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0443]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Mrs. C. C. Cody, left, ticket chairman, and Mrs. Charles Ekles, general chairman, sort tickets for the upcoming annual benefit."
Date:
February 5, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0156.0104]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Larry Dean entertains an audience Friday at the Oklahoma County Music Associations's 1980 Convention held at the Southgate Inn."
Date:
September 5, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0150.0546]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Nellie Ecton uses yearbooks to aid her memory of 25 years at Northwest Classen High School."
Date:
June 5, 1980
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0124]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "BOUND OVER -- Sharon Clark, right, her husband, Leon, pushing wheelchair, and attorney Tommy Fraiser leave the Cherokee County Courthouse Friday after Mrs. Clark was bound over on a second degree murder charge in the July 15 shooting death of Sandi Marie Quinton in Tahlequah before a Little League baseball game."
Date:
September 5, 1980
Creator:
Longstreath, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0017]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Arts Annex. Actually, all the clay goo on her hands is worth the trouble."
Date:
February 5, 1980
Creator:
Buehner, Jeff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0433]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Central State linebacker Chris Edgmon puts a stop on Panhandle's Chester Clay While Kem Pipkins (32) jams up the play from ground level."
Date:
October 5, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0325.0080]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Shirley Kelley, left, gets ready to 'shoot' the glue to a peppermint held in place by Nancy Piccolo."
Date:
November 5, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History