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465 Matching Results
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Reasons for the termination of, and DOE losses in, a geothermal demonstration powerplant project
The 50-megawatt Baca geothermal demonstration powerplant project, located in northern New Mexico, was the Department of Energy's (DOE's) initial effort to demonstrate geothermal powerplant technology. The project, started in 1978, was believed to have a high probability of success, and its cost was to be shared equally with the industry participants. GAO's review showed that the project was terminated in January 1982 because sufficient geothermal steam to operate the powerplant could not be obtained. The early termination resulted in DOE paying a disproportionate share - $45 million, or 64% - of the $70 million spent on the project because it had paid the majority of the powerplant-related costs at that time. However, a portion of these costs may be recovered through the sale of powerplant equipment. DOE indicated that it learned lessons from this experience and will act to prevent these problems from occurring on other projects.
Date:
September 29, 1983
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Applications of small computers for systems control on the Tandem Mirror Experiment-Upgrade
Desktop computers operating into a CAMAC-based interface are used to control and monitor the operation of the various subsystems on the Tandem Mirror Experiment-Upgrade (TMX-U) at Lawrence Livermore National Laboratory (LLNL). These systems include: shot sequencer/master timing, neutral beam control (four consoles), magnet power system control, ion-cyclotron resonant heating (ICRH) control, thermocouple monitoring, getter system control, gas fueling system control, and electron-cyclotron resonant heating (ECRH) monitoring. Two additional computers are used to control the TMX-U neutral beam test stand and provide computer-aided repair/test and development of CAMAC modules. These machines are usually programmed in BASIC, but some codes have been interpreted into assembly language to increase speed. Details of the computer interfaces and system complexity are described as well as the evolution of the systems to their present states.
Date:
November 29, 1983
Creator:
Bork, R. G.; Kane, R. J. & Moore, T. L.
Object Type:
Article
System:
The UNT Digital Library
Ion microstability in tandem mirrors
The formalism describing ion-cyclotron modes in mirror traps will be developed. Emphasis will be placed on the effects of finite axial boundaries on the normal modes of the system. Wave properties are a composite picture of: positive energy waves (plasma oscillation, shear Alfven and drift waves), negative energy waves (ion Bernstein waves in a loss-cone media), positive dissipation (electron Landau damping, outgoing waves), and negative dissipation (ion cyclotron damping in a loss-cone and anisotropic temperature medium). Stability boundaries in this bounded media is affected by scale lengths along the magnetic field; first, because they determine the widths of the resonances, and second, because they restrict the parallel structure of the modes.
Date:
August 29, 1983
Creator:
Pearlstein, L.D.
Object Type:
Article
System:
The UNT Digital Library
Mirror research: status and prospects
The tandem mirror program has evolved considerably in the last decade. Of significance is the viable reactor concept embodied in the MARS design. An aggressive experimental program culminating in the operation of MFTF-B in late 1986, will provide a firm basis for refining the MARS design as necessary for constructing a reactor prototype in the 1990s.
Date:
November 29, 1983
Creator:
Baldwin, D.E.
Object Type:
Article
System:
The UNT Digital Library
Seismic review of vault for MFTF upgrade project
This letter report was prepared in accordance with the scope of work for the preconceptual seismic evaluation of the (..cap alpha.. + T) Tandem Mirror Fusion Machine concrete vault. The scope of the work was developed with the assistance of the Bechtel site representative Dr. Sunil Ghose. The report contains comments and preconceptual recommendations on wall upgrading for an 150-ton crane installation, concrete vault seismic capability for (..cap alpha.. + T) conditions, and recommendations for future work.
Date:
September 29, 1983
Creator:
Franklin, H.A.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Pik Payments]
Video footage from the WBAP-TV station in Fort Worth, Texas, to accompany a news story by reporter Dan White about the Department of Agriculture's Payment in Kind (PIK) Program. This footage includes an interview with a Texas farmer who is dissatisfied with the outcome of his participation. This story aired at 10:00 P.M.
Date:
June 29, 1983
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Lucas]
Video footage from the WBAP-TV station in Fort Worth, Texas, to accompany a news story about Henry Lee Lucas. The footage includes a brief interview with an unidentified man exiting the courthouse concerning his discussions with Lucas. This story aired at 6:00 P.M.
Date:
June 29, 1983
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Lawyers]
Video footage from the WBAP-TV station in Fort Worth, Texas, to accompany a news story about the Annual State Bar Convention held in Fort Worth and a debate concerning the number of Texans who are unable to afford legal help. This story includes footage of a social event at the convention and former attorney general John Hill and attorney Robert Wallace debating the issue. This story aired at 5:00 P.M.
Date:
June 29, 1983
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Space-reactor electric systems: subsystem technology assessment
This report documents the subsystem technology assessment. For the purpose of this report, five subsystems were defined for a space reactor electric system, and the report is organized around these subsystems: reactor; shielding; primary heat transport; power conversion and processing; and heat rejection. The purpose of the assessment was to determine the current technology status and the technology potentials for different types of the five subsystems. The cost and schedule needed to develop these potentials were estimated, and sets of development-compatible subsystems were identified.
Date:
March 29, 1983
Creator:
Anderson, R.V.; Bost, D. & Determan, W.R.
Object Type:
Report
System:
The UNT Digital Library
Space reactor electric systems: system integration studies, Phase 1 report
This report presents the results of preliminary space reactor electric system integration studies performed by Rockwell International's Energy Systems Group (ESG). The preliminary studies investigated a broad range of reactor electric system concepts for powers of 25 and 100 KWe. The purpose of the studies was to provide timely system information of suitable accuracy to support ongoing mission planning activities. The preliminary system studies were performed by assembling the five different subsystems that are used in a system: the reactor, the shielding, the primary heat transport, the power conversion-processing, and the heat rejection subsystems. The subsystem data in this report were largely based on Rockwell's recently prepared Subsystem Technology Assessment Report. Nine generic types of reactor subsystems were used in these system studies. Several levels of technology were used for each type of reactor subsystem. Seven generic types of power conversion-processing subsystems were used, and several levels of technology were again used for each type. In addition, various types and levels of technology were used for the shielding, primary heat transport, and heat rejection subsystems. A total of 60 systems were studied.
Date:
March 29, 1983
Creator:
Anderson, R. V.; Bost, D.; Determan, W. R.; Harty, R. B.; Katz, B.; Keshishian, V. et al.
Object Type:
Report
System:
The UNT Digital Library
Three-dimensional equilibrium in quadrupole symmetric tandem mirrors in the paraxial limit (reduced MHD)
Equilibrium in quadrupole symmetric mirrors is fully three dimensional; however, because axial scale lengths are long compared with radial scale lengths (equivalently weak curvature) it is possible to reduce the complexity of the equations by expanding in the appropriate smallness parameter. Such a procedure leads to set of reduced MHD equations. The general theory will be presented, numerical results discussed, modifications due to finite Larmor radius will be added, and an analytic solution for sharp boundary pressure models will be developed.
Date:
August 29, 1983
Creator:
Pearlstein, L.D.
Object Type:
Article
System:
The UNT Digital Library
Cryogenic analytical tools for LHe distribution system design
The two computer programs presented in this paper are both fundamentally general in that they could be applied to other magnet systems. In addition to MFTF-B analyses, these programs will be used on current and future GDC superconducting magnet projects. Future extended capabilities will include transient heating and flow conditions for THERMOSIPHON and multiple magnet quench features for MAGPRS.
Date:
July 29, 1983
Creator:
Johnson, R.R.
Object Type:
Report
System:
The UNT Digital Library
Thermal barriers: their purpose and functioning
This review covers the following topics: (1) thermal barrier formation, (2) ion pumping, (3) high-field throttle coil, and (4) microstability. (MOW)
Date:
August 29, 1983
Creator:
Baldwin, D.E.
Object Type:
Article
System:
The UNT Digital Library
Electromagnetic direct implicit PIC simulation
Interesting modelling of intense electron flow has been done with implicit particle-in-cell simulation codes. In this report, the direct implicit PIC simulation approach is applied to simulations that include full electromagnetic fields. The resulting algorithm offers advantages relative to moment implicit electromagnetic algorithms and may help in our quest for robust and simpler implicit codes.
Date:
March 29, 1983
Creator:
Langdon, A. Bruce
Object Type:
Article
System:
The UNT Digital Library
Fusion-power demonstration. [Next step beyond MFTF-B]
As a satellite to the MARS (Mirror Advanced Reactor Study) a smaller, near-term device has been scoped, called the FPD (Fusion Power Demonstration). Envisioned as the next logical step toward a power reactor, it would advance the mirror fusion program beyond MFTF-B and provide an intermediate step toward commercial fusion power. Breakeven net electric power capability would be the goal such that no net utility power would be required to sustain the operation. A phased implementation is envisioned, with a deuterium checkout first to verify the plasma systems before significant neutron activation has occurred. Major tritium-related facilities would be installed with the second phase to produce sufficient fusion power to supply the recirculating power to maintain the neutral beams, ECRH, magnets and other auxiliary equipment.
Date:
March 29, 1983
Creator:
Henning, C. D.; Logan, B. G.; Carlson, G. A.; Neef, W. S.; Moir, R. W.; Campbell, R. B. et al.
Object Type:
Article
System:
The UNT Digital Library
[News Clip: DISD]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
September 29, 1983, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Drake]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 29, 1983, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Southland Zone]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
September 29, 1983, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Martin Frost]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 29, 1983, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Taylor]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
March 29, 1983, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
The Cherokeean. (Rusk, Tex.), Vol. 134, No. 33, Ed. 1 Thursday, September 29, 1983
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
September 29, 1983
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Cherokeean. (Rusk, Tex.), Vol. 134, No. 46, Ed. 1 Thursday, December 29, 1983
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
December 29, 1983
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Register, Volume 8, Number 22, Pages 1015-1036, March 29, 1983
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
March 29, 1983
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 8, Number 30, Pages 1363-1438, April 29, 1983
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
April 29, 1983
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History