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[2nd Thiele House, (NW Oblique)]
Photograph of the 2nd Thiele House (located at 411 Sixth St) in San Antonio, Texas.
Date:
July 1, 1980
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[2nd Thiele House, (NW Oblique)]
Photograph of the 2nd Thiele House (located at 411 Sixth St) in San Antonio, Texas.
Date:
July 1, 1980
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
5MW Raft River facility experience
The Raft River geothermal plant is a small binary cycle conversion system which uses isobutane as the working fluid. This plant uses a staged boiler concept to achieve better performance than could be obtained by a single boiler. The plant was designed to operate with a geothermal water inlet temperature of 143/sup 0/C (290/sup 0/F) and produce a nominal generator output of 5MW. The plant is supported by a supply and injection system consisting of three supply wells (about 1524m or 5000 ft deep) and two injection wells (about 1158m or 3800 ft deep). Experience in several important areas: environmental, supply and injection system, and power plant, are discussed. (MHR)
Date:
January 1, 1980
Creator:
Whitbeck, J.F.
Object Type:
Article
System:
The UNT Digital Library
5MW Raft River Facility Experience
Located in Northern California In Lake and Sonoma Counties about 90 miles north of San Francisco, Pacific Gas and Electric Company's (PG and E's) The Geysers Power Plant, which has at present fourteen units in service with a net generating capacity of 798MW, is the largest geothermal development in the world. Eight additional PG and E units now in construction, design, and planning will add 720MW of additional capacity by 1986. Figure 1 shows the location of this project and the locations of the existing and future units. This paper discusses evolution of Geysers Unit 18 through resource and project planning, licensing, design, and what is expected during construction, and startup. While many of the experiences are unique to The Geysers units, some could be applicable to other geothermal developments. This unit is one of a series of 110MW units of standardized design which are being developed to reduce the cost and improve schedules. Construction has just commenced, and it is expected to be in commercial operation in October 1982.
Date:
December 1, 1980
Creator:
Whitbeck, J.F.
Object Type:
Article
System:
The UNT Digital Library
85Kr management trade-offs: a perspective to total radiation dose commitment
Radiological consequences arising from the trade-offs for /sup 85/Kr waste management from possible nuclear fuel resource recovery activities have been investigated. The reference management technique is to release all the waste gas to the atmosphere where it is diluted and dispersed. A potential alternative is to collect, concentrate, package and submit the gas to long-term storage. This study compares the radiation dose commitment to the public and to the occupationally exposed work force from these alternatives. The results indicate that it makes little difference to the magnitude of the world population dose whether /sup 85/Kr is captured and stored or chronically released to the environment. Further, comparisons of radiation exposures (for the purpose of estimating health effects) at very low dose rates to very large populations with exposures to a small number of occupationally exposed workers who each receive much higher dose rates may be misleading. Finally, cost studies (EPA 1976 and DOE 1979a) show that inordinate amounts of money will be required to lower this already extremely small 80-year cumulative world population dose of 0.05 mrem/person (<0.001% of natural background radiation for the same time period).
Date:
January 1, 1980
Creator:
Mellinger, P.J.; Hoenes, G.R.; Brackenbush, L.W. & Greenborg, J.
Object Type:
Report
System:
The UNT Digital Library
8MVA modulator/regulator for neutral beams
This paper describes very generally the modulator/regulator (Mod/Reg) being built for Transrex by Systems, Science and Software for use on the neutral beam power supplies that Transrex is building for General Atomic Company to power the neutral beam heating systems that will be used on the Doublet III fusion device. The Mod/Reg is required to provide an 80 kV, 100 A pulse for a second every 90 sec. The voltage is to be regulated to 3%, and in case of fault the pulse must be interrupted within 10 ..mu..sec. An additional requirement was that the total system have very low capacity such that the total energy stored would be less than 15 joules. This is a restriction imposed by the source designer to prevent destroying the source in case of an arc within the source.
Date:
May 1980
Creator:
Remsen, D. B., Jr. & Overett, Trevor H.
Object Type:
Article
System:
The UNT Digital Library
9519 biotite granodiorite reacted in a temperature gradient
A biotite granodiorite from the Fenton Hill Hot Dry Rock (HDR) geothermal system was reacted in a controlled temperature gradient with initially distilled water for 60d. Polished rock prisms were located in the gradient at 72, 119, 161, 209, 270, and 310/sup 0/C. Scanning electron microscope and microprobe analyses show the appearance of secondary phases: Ca-montmorillonite at 72/sup 0/C and 119/sup 0/C; zeolite, either stilbite or heulandite, at 161/sup 0/C; and another zeolite, thomsonite, at higher temperatures. Solution analyses show a steady state equilibrium exists between solution and overgrowths after about 2 weeks of reaction. The chemographic relations for the system are explored in some detail indicating the divariant assemblages may be placed in a reasonable sequence in intensive variable space. These relations predict high and low temperature effects not directly observed experimentally as well as relevant univariant equilibria. Solution chemistry indicates the Na-Ca-K geothermometer more adequately predicts temperature in this system than does the silica geothermometer.
Date:
October 1, 1980
Creator:
Charles, R. W. & Bayhurst, Gregory K.
Object Type:
Report
System:
The UNT Digital Library
A15 multifilamentary superconductors by the infiltration process
The inherent brittleness of the A15 compounds, and the requirement for a filamentary morphology, led to a heavy reliance on a powder approach for the preparation of superconducting tapes and wires. The quench-age technique, a non-powder process, was employed for the niobium-aluminum system, following the special features of the equilibrium phase diagram. The powder approach proved particularly effective for binaries, such as Nb-Sn, and for the ternaries Nb(Al,Ge) and Nb(Al,Si). Two variations of the powder process were assessed. One involved the use of precompounded powder of the desired stoichiometry but required simultaneous application of heat and pressure. The second variation was the infiltration process. This process involves the preparation of a ductile niobium matrix containing a controlled network of interconnected pores which are subsequently infiltrated with liquid metals (Sn) or low melting-point eutectics (e.g., Al-Ge, Al-Si). The composite is then subjected to a thermomechanical treatment to form a multiply connected array of A15 filaments in a niobium matrix. Multifilamentary conductors, based on Nb/sub 3/Sn, Nb/sub 3/Al, Nb/sub 3/ (Al,Ge) and Nb/sub 3/ (Al,Si), were readily obtained. Nb/sub 3/Sn conductors made by the infiltration process exhibit a critical temperature (Tc) of 18.1 K and a critical current carrying capacity (I/sub c/) …
Date:
May 1, 1980
Creator:
Pickus, M.R.; Holthuis, J.T. & Rosen, M.
Object Type:
Article
System:
The UNT Digital Library
A15 superconductors through direct solid-state precipitation: V/sub 3/Ga and Nb/sub 3/Al
A solid-state precipitation process was used to prepare superconducting tapes containing an A15 phase, V/sub 3/Ga or Nb/sub 3/Al, in a ductile niobium or vanadium containing BCC matrix. Ingots weighing as large as 30 to 50 gms of V-(14 approx. 19 at. %) Ga and Nb-(13 approx. 22 at. %) Al were prepared by arc-melting, homogenized, quenched, warm-rolled over 99% into tape, and aged at temperatures in the range 600/sup 0/C to 1000/sup 0/C to precipitate the superconducting A15 phase. The features demonstrated by the process are very attractive for practical applications. In the V-Ga system, transmission electron microscopy (TEM) studies revealed the A15 precipitates in an elongated form. However, for the Nb-Al samples, deformed and aged at 750/sup 0/C, TEM studies revealed A15 precipitation in fine equi-axed particles which formed as a semi-continuous network over sub-grain boundaries formed by the recovery of deformation-induced dislocations. In the V-Ga system, the maximum critical transition temperature (approx. 15 K) was found in materials aged at temperatures of 750/sup 0/C or below. At these aging temperatures the T/sub c/ initially increased with aging time and passed through a distinct maximum. The source of the exceptionally high T/sub c/ is discussed. In the Nb-Al …
Date:
September 1, 1980
Creator:
Hong, M.
Object Type:
Report
System:
The UNT Digital Library
AACOG Region, Volume 6, Number 11, January 1980
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
January 1980
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
AACOG Region, Volume 7, Number 7, September 1980
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
September 1980
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
AACOG Region, Volume 7, Number 8, October 1980
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
October 1980
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
AACOG Region, Volume 7, Number 10, December 1980
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
December 1980
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Abandoned Texas oil fields
Data for Texas abandoned oil fields were primarily derived from two sources: (1) Texas Railroad Commission (TRRC), and (2) Dwight's ENERGYDATA. For purposes of this report, abandoned oil fields are defined as those fields that had no production during 1977. The TRRC OILMASTER computer tapes were used to identify these abandoned oil fields. The tapes also provided data on formation depth, gravity of oil production, location (both district and county), discovery date, and the cumulative production of the field since its discovery. In all, the computer tapes identified 9211 abandoned fields, most of which had less than 250,000 barrel cumulative production. This report focuses on the 676 abandoned onshore Texas oil fields that had cumulative production of over 250,000 barrels. The Dwight's ENERGYDATA computer tapes provided production histories for approximately two-thirds of the larger fields abandoned in 1966 and thereafter. Fields which ceased production prior to 1966 will show no production history nor abandonment date in this report. The Department of Energy hopes the general availability of these data will catalyze the private sector recovery of this unproduced resource.
Date:
December 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[Abilene City Council Minutes: 1980-1982]
Ledger containing minutes of the City Council in Abilene, Texas documenting the group's discussions and activities from August 1980 through February 1982.
Date:
1980-08-14/1982-02-11
Creator:
Abilene (Tex.)
Object Type:
Book
System:
The Portal to Texas History
[Abilene City Ordinances: 1980-1982]
Ledger containing ordinances/resolutions passed by the city of Abilene, Texas from August 1980 to February 1982.
Date:
1980/1982
Creator:
Abilene (Tex.)
Object Type:
Legal Document
System:
The Portal to Texas History
[Abilene City Resolutions: 1980-1982]
Ledger containing resolutions passed by the city of Abilene, Texas from August 1980 to February 1982.
Date:
1980/1982
Creator:
Abilene (Tex.)
Object Type:
Legal Document
System:
The Portal to Texas History
Abilene Fire Department Annual Report: 1980
Annual report of the Abilene Fire Department describing the organization and administration, with updates on goals, activities, and accomplishments during fiscal year 1980.
Date:
1980
Creator:
Abilene (Tex.). Fire Department.
Object Type:
Report
System:
The Portal to Texas History
Abilene Philharmonic Playbill: January 29-April 1, 1980
Program for an Abilene Philharmonic concert that ran from January 29th to April 1st (third symphony, fourth symphony, and fifth symphony concerts) during the 30th season. It includes information about the pieces performed, artists and musicians, and advertising from local companies.
Date:
January 1980
Creator:
Abilene Philharmonic
Object Type:
Pamphlet
System:
The Portal to Texas History
Abilene Philharmonic Playbill: April 1-October 28, 1980
Program for an Abilene Philharmonic concert that ran from April 1st to October 28th (fifth symphony, third pop, and first symphony concerts) during the 30th season. It includes information about the pieces performed, artists and musicians, and advertising from local companies.
Date:
April 1980
Creator:
Abilene Philharmonic
Object Type:
Pamphlet
System:
The Portal to Texas History
Abilene Philharmonic Playbill: September 30, 1980
Program for an Abilene Philharmonic concert that ran from September 30th to October 28th (first pop and first symphony concerts) during the 31st season. It includes information about the pieces performed, artists and musicians, and advertising from local companies.
Date:
September 1980
Creator:
Abilene Philharmonic
Object Type:
Pamphlet
System:
The Portal to Texas History
Abilene Philharmonic Playbill: November 25, 1980
Program for an Abilene Philharmonic concert that ran from November 25th to December 16th (second and third symphony concerts) during the 31st season. It includes information about the pieces performed, artists and musicians, and advertising from local companies.
Date:
November 1980
Creator:
Abilene Philharmonic
Object Type:
Pamphlet
System:
The Portal to Texas History
[Abilene Police Officer Robert Waggoner During a Traffic Accident Investigation]
Photograph of Officer Robert Waggoner during a traffic accident investigation; he is wearing a leather jacket, jeans, and a motorcycle helmet and is standing in front of a car that has visible damage on the front and right side.
Date:
March 12, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
Ability of the TRAC-P1A computer program to predict blowdown, refill, and reflood phenomena during Semiscale Mod-1 experiments. [PWR]
A computer analysis of a Semiscale Mod-1 Loss-of-Coolant Experiment (LOCE) was performed using the TRAC-P1A computer program. The main purpose of this analysis was to contribute data for the assessment of the ability of TRAC-P1A to predict blowdown, refill, and reflood phenomena during a postulated Loss-of-Coolant Accident (LOCA). A TRAC-P1A Semiscale Mod-1 system model was created and TRAC-P1A was used to obtain initial conditions for Semiscale Mod-1 LOCE S-04-6. After this initialization, TRAC-P1A was used to simulate the first 60 seconds of this experiment. The results of this simulation are presented and discussed.
Date:
January 1, 1980
Creator:
Demmie, P.N.
Object Type:
Article
System:
The UNT Digital Library