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199 Matching Results
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Description and cost analysis of a deluge dry/wet cooling system.
The use of combined dry/wet cooling systems for large base-load power plants offers the potential for significant water savings as compared to evaporatively cooled power plants and significant cost savings in comparison to dry cooled power plants. The results of a detailed engineering and cost study of one type of dry/wet cooling system are described. In the ''deluge'' dry/wet cooling method, a finned-tube heat exchanger is designed to operate in the dry mode up to a given ambient temperature. To avoid the degradation of performance for higher ambient temperatures, water (the delugeate) is distributed over a portion of the heat exchanger surface to enhance the cooling process by evaporation. The deluge system used in this study is termed the HOETERV system. The HOETERV deluge system uses a horizontal-tube, vertical-plate-finned heat exchanger. The delugeate is distributed at the top of the heat exchanger and is allowed to fall by gravity in a thin film on the face of the plate fin. Ammonia is used as the indirect heat transfer medium between the turbine exhaust steam and the ambient air. Steam is condensed by boiling ammonia in a condenser/reboiler. The ammonia is condensed in the heat exchanger by inducing airflow over the …
Date:
June 1, 1978
Creator:
Wiles, L. E.; Bamberger, J. A.; Braun, D. J.; Faletti, D. W. & Willingham, C. E.
Object Type:
Report
System:
The UNT Digital Library
Study of EUV emissions from 2XIIB
Initial results from a study of EUV emissions from the 2XIIB experiment are reported. Time-dependent brightness measurements of deuterium, oxygen, nitrogen, carbon and titanium emissions from the central 2XIIB plasma have been made. The deuterium Lyman alpha brightness is 1.5 x 10/sup 17/ photons sec/sup -1/cm/sup -2/sr/sup -1/. The Lyman alpha time development and broad spectral profile are consistent with other knowledge of the 2XIIB plasma. Oxygen is the dominant impurity in 2XIIB. The 0 VI 1032 A brightness is 1.65 x 10/sup 18/ photons sec/sup -1/cm/sup -2/sr/sup -1/. The oxygen concentration is 2% and its estimated confinement lifetime is 300 ..mu..s; this may imply mirror confinement of the oxygen ions. Nitrogen and carbon concentrations are 0.4% and 0.3%, respectively. It is not certain whether these impurities are mirror confined. The titanium concentration is believed to be low compared to that of oxygen. The power loss from the central plasma due to radiation by and ionization of light impurities is approximately 60 kW, which is 4% of the power deposited by the neutral beams. Further studies of impurity sources and penetration are now being performed.
Date:
June 27, 1978
Creator:
Drake, R. P.; Chen, K. I.; Moos, H. W.; Terry, J. L. & Hornady, R. S.
Object Type:
Report
System:
The UNT Digital Library
Christian Chronicle (Oklahoma City, Okla.), Vol. 35, No. 12, Ed. 1 Tuesday, June 27, 1978
Biweekly newspaper from Oklahoma City, Oklahoma that includes news and information about the Churches of Christ along with advertising.
Date:
June 27, 1978
Creator:
Beckloff, John W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 107, Ed. 1 Wednesday, June 7, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 7, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 114, Ed. 1 Thursday, June 15, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 15, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 115, Ed. 1 Friday, June 16, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 16, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 121, Ed. 1 Friday, June 23, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 23, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
San Antonio Register (San Antonio, Tex.), Vol. 48, No. 10, Ed. 1 Friday, June 16, 1978
Weekly newspaper from San Antonio, Texas that includes local, state, and national news along with advertising.
Date:
June 16, 1978
Creator:
Andrews, U. J.
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 32, No. 23, Ed. 1 Thursday, June 8, 1978
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
June 8, 1978
Creator:
Wisch, J. A.
Object Type:
Newspaper
System:
The Portal to Texas History
Preliminary stability criteria for compressed air energy storage in porous media reservoirs
Results from the initial phase of a study to establish subsurface design and operating criteria for a Compressed Air Energy Storage (CAES) facility are summarized. The primary objective was to derive a preliminary set of criteria that would help ensure the long term (30 to 40 year) integrity of CAES reservoirs in porous media, such as aquifers or abandoned natural gas reservoirs. In addition, appropriate research and development tasks were to be defined if the current technology was found to be inadequate. Preliminary stability and design criteria for storage of compressed air in porous media were determined on the basis of a survey of the open literature and the experience of experts in industry and universities. The results were separated into two categories: criteria for low temperature air injection (under 200/sup 0/F) and criteria for high temperature air injection (200 to 650/sup 0/F). Results are presented as maximum and/or minimum bounds for a number of parameters such as porosity, permeability, closure, storage pressure, caprock thickness, delta pressure, and caprock slope. One of the prime conclusions derived from an evaluation of the low temperature concept is that the technology currently exists to handle the potential design and operating problems. Therefore, there …
Date:
June 1, 1978
Creator:
Stottlemyre, J.A.
Object Type:
Report
System:
The UNT Digital Library
Fusion fuel cycle solid radioactive wastes
Eight conceptual deuterium-tritium fueled fusion power plant designs have been analyzed to identify waste sources, materials and quantities. All plant designs include the entire D-T fuel cycle within each plant. Wastes identified include radiation-damaged structural, moderating, and fertile materials; getter materials for removing corrosion products and other impurities from coolants; absorbents for removing tritium from ventilation air; getter materials for tritium recovery from fertile materials; vacuum pump oil and mercury sludge; failed equipment; decontamination wastes; and laundry waste. Radioactivity in these materials results primarily from neutron activation and from tritium contamination. For the designs analyzed annual radwaste volume was estimated to be 150 to 600 m/sup 3//GWe. This may be compared to 500 to 1300 m/sup 3//GWe estimated for the LMFBR fuel cycle. Major waste sources are replaced reactor structures and decontamination waste.
Date:
June 1, 1978
Creator:
Gore, B. F.; Kaser, J. D. & Kabele, T. J.
Object Type:
Report
System:
The UNT Digital Library
Survey of industrial coal conversion equipment capabilities: valves
A survey of the industrial capabilities of the valve and valve-actuator industry to supply large, high-pressure stop valves for the future coal conversion industry is presented in this report. Also discussed are development and testing capabilities of valve and valve-actuator manufacturers and anticipated lead times required to manufacture advanced design valves for the most stringent service applications. Results indicate that the valve and valve-actuator industry is capable of manufacturing in quantity equipment of the size and for the pressure and temperature ranges which would be required in the coal conversion industry. Valve manufacturers do not, however, have sufficient product application experience to predict the continuing functional ability of valves used for lock-hopper feeders, slurry feeders, and slag-char letdown service. Developmental and testing efforts to modify existing valve designs or to develop new valve concepts for these applications were estimated to range from 1 to 6 years. A testing facility to simulate actuation of critical valves under service conditions would be beneficial.
Date:
June 1, 1978
Creator:
Bush, W. A. & Slade, E. C.
Object Type:
Report
System:
The UNT Digital Library
Preliminary study of the uranium favorability of the Jornada Del Muerto Basin and adjacent areas, South Central New Mexico
Data indicate that possible uranium host rocks include the Precambrian rocks, the Ordovician Bat Cave Formation and Cable Canyon Sandstone, the Permian Abo Formation, Lower Cretaceous Dakota Sandstone, and the Upper Cretaceous-lower Tertiary McRae Formation. The Cenozoic sequence contains possible host beds; little is known, however, about its stratigraphy. Secondary uranium mineralization is found associated with faults in the Jornada area. All fault zones there are possible sites for uranium deposition. Possible sources for uranium in the Jornada del Muerto area include uraniferous Precambrian rocks, tuffaceous beds in the McRae Formation, and the Tertiary Datil and Thurman Formations. Hydrothermal solutions may have deposited the veinlike fluorite deposits, of which the purple varieties were found to be radioactive during this study.
Date:
June 1, 1978
Creator:
Templain, C.J. & Dotterrer, F.E.
Object Type:
Report
System:
The UNT Digital Library
Reviews of the Environmental Effects of Pollutants: IV. Cadmium
This report is a comprehensive, multidisciplinary review of the health and environmental effects of cadmium and specific cadmium derivatives. More than 500 references are cited. The cadmium body burden in animals and humans results mainly from the diet. In the United States, the normal intake of cadmium for adult humans is estimated at about 50 ..mu..g per day. Tobacco smoke is a significant additional source of cadmium exposure. The kidneys and liver together contain about 50% of the total cadmium body burden. Acute cadmium poisoning is primarily an occupational problem, generally from inhalation of cadmium fumes or dusts. In the general population, incidents of acute poisoning by inhaled or ingested cadmium or its compounds are relatively rare. The kidney is the primary target organ for toxicity from prolonged low-level exposure to cadmium. No causal relationship has been established between cadmium exposure and human cancer, although a possible link between cadmium and prostate cancer has been indicated. Cadmium has been shown to be teratogenic in rats, hamsters, and mice, but no such effects have been proven in humans. Cadmium has been reported to increase the frequency of chromosomal aberrations in cultured Chinese hamster ovary cells and in human peripheral leukocytes. The …
Date:
June 1, 1978
Creator:
Hammons, A. S.; Huff, J. E.; Braunstein, H. M.; Drury, J. S.; Shriner, C. R.; Lewis, E. B. et al.
Object Type:
Report
System:
The UNT Digital Library
Jewish Herald-Voice (Houston, Tex.), Vol. 70, No. 10, Ed. 1 Thursday, June 22, 1978
Weekly Jewish newspaper from Houston, Texas that includes local, state, and national news along with advertising.
Date:
June 22, 1978
Creator:
Samuels, Joseph W.; White, Ida S. & Friedman, Marcia A.
Object Type:
Newspaper
System:
The Portal to Texas History
Jewish Herald-Voice (Houston, Tex.), Vol. 70, No. 9, Ed. 1 Thursday, June 15, 1978
Weekly Jewish newspaper from Houston, Texas that includes local, state, and national news along with advertising.
Date:
June 15, 1978
Creator:
Samuels, Joseph W.; White, Ida S. & Friedman, Marcia A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Big Lake Wildcat (Big Lake, Tex.), Vol. 53, No. 22, Ed. 1 Thursday, June 1, 1978
Weekly newspaper from Big Lake, Texas that includes local, state and national news along with advertising.
Date:
June 1, 1978
Creator:
Werst, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Big Lake Wildcat (Big Lake, Tex.), Vol. 53, No. 25, Ed. 1 Thursday, June 22, 1978
Weekly newspaper from Big Lake, Texas that includes local, state and national news along with advertising.
Date:
June 22, 1978
Creator:
Werst, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Big Lake Wildcat (Big Lake, Tex.), Vol. 53, No. 23, Ed. 1 Thursday, June 8, 1978
Weekly newspaper from Big Lake, Texas that includes local, state and national news along with advertising.
Date:
June 8, 1978
Creator:
Werst, David
Object Type:
Newspaper
System:
The Portal to Texas History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 90, No. 91, Ed. 2 Tuesday, June 6, 1978
Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 6, 1978
Creator:
Standard, Jim
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
White Deer News (White Deer, Tex.), Vol. 19, No. 19, Ed. 1 Thursday, June 29, 1978
Weekly newspaper from White Deer, Texas that includes local, state and national news along with advertising.
Date:
June 29, 1978
Creator:
Hodge, Sue
Object Type:
Newspaper
System:
The Portal to Texas History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 90, No. 91, Ed. 1 Tuesday, June 6, 1978
Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 6, 1978
Creator:
Standard, Jim
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 90, No. 94, Ed. 2 Friday, June 9, 1978
Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 9, 1978
Creator:
Standard, Jim
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 90, No. 90, Ed. 2 Monday, June 5, 1978
Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 5, 1978
Creator:
Standard, Jim
Object Type:
Newspaper
System:
The Gateway to Oklahoma History