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Light Absorption and Scattering Mechanisms in Laser Fusion Plasmas
The picture of laser light absorption and scattering which is emerging from theory and computer simulation studies of laser-plasma interactions is described. On the subject of absorption, we discuss theoretical and experimental evidence that resonance absorption in a steepened density profile is a dominant absorption mechanism. Recent work also indicates the presence of critical surface ripples, which we study using two and three dimensional computer simulations. Predictions of hot electron spectra due to resonance absorption are described, as are effects of plasma outflow. We then discuss two regimes where stimulated scattering may occur. Brillouin scattering is expected in the underdense target blow-off, for long laser pulses, and is limited by ion heating. Raman scattering in the background gas of a reactor target chamber is predicted to be at most a 10 percent effect for 1 ..mu..m lasers.
Date:
October 4, 1977
Creator:
Barnes, C.; Estabrook, K. G.; Kruer, W. L.; Langdon, A. B.; Lasinski, B. F.; Max, C. E. et al.
Object Type:
Article
System:
The UNT Digital Library
Exploding pusher performance at fixed laser power, a theoretical model
A model for the physics of exploding pusher targets is presented which compares favorably with the predictions of the complex simulation code, LASNEX.
Date:
October 4, 1977
Creator:
Rosen, M.D. & Nuckolls, J.H.
Object Type:
Article
System:
The UNT Digital Library
Assessment of a small pressurized water reactor for industrial energy
An evaluation of several recent ERDA/ORNL sponsored studies on the application of a small, 365 MW(t) pressurized water reactor for industrial energy is presented. Preliminary studies have investigated technical and reliability requirements; costs for nuclear and fossil based steam were compared, including consideration of economic inflation and financing methods. For base-load industrial steam production, small reactors appear economically attractive relative to coal fired boilers that use coal priced at $30/ton.
Date:
October 4, 1977
Creator:
Klepper, O. H.; Fuller, L. C. & Myers, M. L.
Object Type:
Report
System:
The UNT Digital Library
Potassium vapor topping cycle. Technical progress report, April 1--June 30, 1977
The potassium vapor topping cycle is a concept for increasing the efficiency of the Rankine vapor cycle by raising the peak temperature by employing a potassium vapor cycle with a turbine inlet temperature of 1500 to 1600/sup 0/F (815 to 870/sup 0/C) in which the waste heat rejected from the condensing potassium vapor is transferred to boiling water and steam in a conventional steam cycle. An efficiency of about 50% is calculated for this cycle with a natural circulation potassium boiler fired by gas or oil. An Energy Research and Development Administration (ERDA) program is under way at Oak Ridge National Laboratory (ORNL) to build a full-scale potassium boiler tube bundle and burner module and test it with water and then potassium. Progress in this program is reported. The design work necessary for the installation of the potassium system was completed during the quarter. Fabrication of the potassium system components was finished. Installation of the condenser enclosure was completed and the drain tank was installed. Construction work on the equipment tower was completed.
Date:
October 4, 1977
Creator:
Holcomb, R. S.
Object Type:
Report
System:
The UNT Digital Library
Preliminary evaluation of fluid chemistry in the East Mesa KGRA
One of the major problems needing consideration when bringing a geothermal field into production is the anticipation and control of mineral precipitation in both the producing formations and production equipment. Prediction of the chemical interactions between natural multicomponent thermal fluids and the minerals comprising a producing formation can be accomplished by the study of equilibrium models approximating the natural system. Models are constructed from theoretically and experimentally derived thermodynamic data for the involved minerals and aqueous species. This equilibrium modeling approach was applied to the rock-water system at the East Mesa geothermal area in the Imperial Valley of California. Results of petrographic and fluid analyses are given. (JGB)
Date:
October 4, 1976
Creator:
Hoagland, J.R.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Rene update]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 4, 1994, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Quality assurance program plan applicable to the KIPS technology verification phase
This Quality Program Plan describes the manner in which the Energy Systems Unit of the Advanced Technology Group Division of Sunstrand Corporation applies its Quality Assurance Program and Systems to control and assure commpliance to the Quality requirements in accordance with NRA-1, dated July 1, 1977, in support of the Kilowatt Isotope Power Systems (KIPS) Program Technology Verification Phase.
Date:
October 4, 1978
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Review of FFTF and CRBRP control rod systems designs
The evolution of the primary control rod system design for FFTF and CRBR, beginning with the initial choice of the basic concepts, is described. The significant component and systems tests are reviewed together with the test results which referenced the development of the CRBR primary control rod system design. Modifications to the concepts and detail designs of the FFTF control rod system were required principally to satisfy the requirements of CRBR, and at the same time incorporating design refinements shown desirable by the tests.
Date:
October 4, 1977
Creator:
Pitterle, T. A. & Lagally, H. O.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of regional effects of effluents from uranium production in New Mexico
The Grants Uranium Region is a 2500 mile area of northcentral New Mexico which has produced about 40 percent of all domestic uranium, and holds over one-half of the current reserves. The increasing demand for uranium to fuel commercial nuclear power plants is resulting in rapid growth of the uranium industry and economic, social, and environmental changes are occurring. One of the environmental issues of this region is the concern for eventually unacceptable levels of air and water pollution from effluents from uranium mill tailings piles. This study addresses these potential impacts in relation to industrial environmental control practices, siting features, and other regional/temporal variables, including rates of production, locations and sizes of new mills, and population distributions.
Date:
October 4, 1977
Creator:
Wilson, D.W.
Object Type:
Report
System:
The UNT Digital Library
Vacuum system for the Tandem Mirror Experiment
The Tandem Mirror Experiment (TMX) under construction at LLL is a Q-enhancement experiment using two mirror fields to ''plug'' a central solenoid field. Neutral beam injection supplies the energetic neutrals to the plug regions with attendant quantities of cold gas. The vacuum vessel consists of two large stainless steel tanks, which house the plug coils, joined by an aluminum central cell tank, which fits inside the existing solenoid coils from the 2XIIB experiment. The plug tanks are subdivided into regions for differential pumping of the source gas by liquid-nitrogen- or water-cooled liners. The liners are gettered by Ti--Ta wire sublimators of the 2XIIB type, using 2XIIB power supplies, to supply the necessary high-speed surface pumping. The roughing vacuum system consists of mercury vapor diffusion pumps backed by Roots-type blowers.
Date:
October 4, 1977
Creator:
Atkinson, D.P.; Calderon, M.O. & Nagel, R.J.
Object Type:
Article
System:
The UNT Digital Library
[News Clip: Powell recant]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 4, 1994, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Lucas recan VO]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 4, 1994, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Automated laser fusion target production concept
A target production concept is described for the production of multilayered cryogenic spherical inertial confinement fusion targets. The facility is to deliver targets to the reactor chamber at rates up to 10 per second and at costs consistent with economic production of power.
Date:
October 4, 1977
Creator:
Hendricks, C.D.
Object Type:
Article
System:
The UNT Digital Library
The Mangum Star. (Mangum, Okla. Terr.), Vol. 19, No. 14, Ed. 1 Thursday, October 4, 1906
Weekly newspaper from Mangum, Oklahoma that includes local, territorial, and national news along with advertising.
Date:
October 4, 1906
Creator:
Echols, R. C.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Mangum Star (Mangum, Okla.), Vol. 30, No. 16, Ed. 1 Thursday, October 4, 1917
Weekly newspaper from Mangum, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 4, 1917
Creator:
Jessee, Elmer V.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Taloga Times-Advocate (Taloga, Okla.), Vol. 30, No. 17, Ed. 1 Thursday, October 4, 1923
Weekly newspaper from Taloga, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 4, 1923
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Leader. (Guthrie, Okla.), Vol. 27, No. 42, Ed. 1 Thursday, October 4, 1917
Weekly newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 4, 1917
Creator:
Niblack, Leslie G.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oklahoma State Register (Guthrie, Okla.), Vol. 27, No. 20, Ed. 1 Thursday, October 4, 1917
Weekly newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 4, 1917
Creator:
Golobie, John
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Canadian Enterprise (Canadian, Indian Terr.), Vol. 3, No. 52, Ed. 1 Friday, October 4, 1907
Weekly newspaper from Canadian, Indian Territory that includes local, territorial, and national news along with advertising.
Date:
October 4, 1907
Creator:
Williams, B. W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Safeguard. (Guthrie, Okla.), Vol. 13, No. 36, Ed. 1 Thursday, October 4, 1906
Weekly newspaper from Guthrie, Oklahoma Territory that includes local, territorial, and national news along with advertising.
Date:
October 4, 1906
Creator:
Buchanan, C. A.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Cushing Independent (Cushing, Okla.), Vol. 22, No. 7, Ed. 1 Thursday, October 4, 1917
Weekly newspaper from Cushing, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 4, 1917
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The New State. (Haileyville, Indian Terr.), Vol. 3, No. 30, Ed. 1 Friday, October 4, 1907
Weekly newspaper from Haileyville, Indian Territory that includes local, territorial, and national news along with advertising.
Date:
October 4, 1907
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Guthrie Daily Star (Guthrie, Okla.), Vol. 9, No. 179, Ed. 1 Friday, October 4, 1912
Daily newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 4, 1912
Creator:
Hornaday, W. H.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Weekly News. (Altus, Okla.), Vol. 19, No. 32, Ed. 1 Thursday, October 4, 1917
Weekly newspaper from Altus, Oklahoma that includes local, county, state, and national news along with advertising.
Date:
October 4, 1917
Creator:
Orr, J. P.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History