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MIT LMFBR blanket physics project progress report No. 7, July 1, 1975--September 30, 1976

Description: Work during the period was devoted primarily to a range of analytical/numerical investigations, including evaluation of means to improve external blanket designs, beneficial attributes of the use of internal blankets, improved methods for the calculation of heterogeneous self-shielding and parametric studies of calculated spectral indices. Experimental work included measurements of the ratio of U-238 captures to U-235 fissions in a standard blanket mockup, and completion of development work on … more
Date: September 30, 1976
Creator: Driscoll, M.J. (ed.)
Partner: UNT Libraries Government Documents Department
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Liquid Metal Engineering Center (LMEC) annual technical progress report, January-December 1975

Description: During operation of the prototype FFTF sodium pump, it is necessary to know the position of the pump shaft relative to the sodium-lubricated hydrostatic bearing journals. Performance of the Kaman proximity measurement system was known to be affected by the type of media between the gap to be measured. Since Kaman Sciences Corp. did not have liquid sodium testing capabilities, LMEC was requested to evaluate a spare prototype system. Determination of the sodium performance characteristics of the … more
Date: April 30, 1976
Partner: UNT Libraries Government Documents Department
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Study of reduction of accessory horsepower requirements. Sixth quarterly progress report

Description: The objective of this program is to evolve and define an accessory drive system that will minimize system power consumption of driven accessories on an internal combustion engine in a passenger automobile. The initial program phases established concept feasibility, determined potential fuel savings, and selected a drive system design for concept mechanization. The present Phase IV carries the program through prototype fabrication and bench, engine, and vehicle tests. The final program objective… more
Date: January 30, 1976
Partner: UNT Libraries Government Documents Department
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S/sup 3/ Financial Projection Model: preliminary user's manual and system overview

Description: The S/sup 3/ Financial Projection Model is an effort undertaken to construct a pipeline economic model in order to satisfy the requirements of the US ERDA program: Energy Study of Pipeline Transportation System. A brief outline of this process is described in Appendix A, Background on the S/sup 3/ Development of a Pipeline Economic Model. A general overview of the model is presented first to indicate the rationale underlying the model and to show the linkages between the various submodels. An u… more
Date: November 30, 1976
Creator: Masso, J. F.
Partner: UNT Libraries Government Documents Department
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Evaluation of the fuel-conservation potential of truck aerodynamic-drag-reduction devices

Description: A study of commercially available and prototype aerodynamic drag reduction devices which can be retrofitted onto this nation's trucks to achieve significant fuel savings by 1980 was conducted. The results of the study are presented in seven sections. An overview of the basic study results is given in the Summary Section, and a brief introduction to the general nature of the truck drag problem and the study scope is contained in Section 1. Section 2 provides a more detailed discussion of the aer… more
Date: June 30, 1976
Partner: UNT Libraries Government Documents Department
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Mathematical model for the preliminary analysis of dual-mode space nuclear fission solid core power and propulsion systems, NUROC3A. AMS report No. 1239a

Description: The three-volume report describes a dual-mode nuclear space power and propulsion system concept that employs an advanced solid-core nuclear fission reactor coupled via heat pipes to one of several electric power conversion systems. Such a concept could be particularly useful for missions which require both relatively high acceleration (e.g., for planetocentric maneuvers) and high performance at low acceleration (e.g., on heliocentric trajectories or for trajectory shaping). The first volume dev… more
Date: June 30, 1976
Creator: Grey, J. & Chow, S.
Partner: UNT Libraries Government Documents Department
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Computer code and users' guide for the preliminary analysis of dual-mode space nuclear fission solid core power and propulsion systems, NUROC3A. AMS report No. 1239b

Description: The three-volume report describes a dual-mode nuclear space power and propulsion system concept that employs an advanced solid-core nuclear fission reactor coupled via heat pipes to one of several electric power conversion systems. The second volume describes the computer code and users' guide for the preliminary analysis of the system.
Date: June 30, 1976
Creator: Nichols, R. A. & Smith, W. W.
Partner: UNT Libraries Government Documents Department
open access

Similarity solutions for convection of groundwater adjacent to horizontal impermeable surfaces with axisymmetric temperature distribution. Technical report No. 14

Description: The axisymmetric buoyancy-induced groundwater flow adjacent to horizontal impermeable surfaces with wall temperature being a power function of radius is discussed in this paper. With the boundary layer simplifications, the governing non-linear partial differential equations can be transformed into a coupled pair of non-linear ordinary differential equations with two-point boundary conditions that can be integrated numerically by established techniques. Simple algebraic expressions for boundary … more
Date: April 30, 1976
Creator: Cheng, P. & Chau, W.C.
Partner: UNT Libraries Government Documents Department
open access

Advisability of seismic scram

Description: The study assesses the value of seismic trip (scram) systems on commercial nuclear power plants. Five topics were specifically addressed: (1) the likelihood that existing instrumentation would trip the plant; (2) the consequences of spurious trips; (3) the consequences of tripping during an earthquake; (4) the advantages of a controlled shutdown; and (5) the desirability of continuing operation. A comparative risk assessment was made based on evaluation of fault trees constructed for plants wit… more
Date: June 30, 1976
Creator: Cummings, G. E.; Wells, J. E.; Lambert, H. E. & Leger-Barter, G. S.
Partner: UNT Libraries Government Documents Department
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Smart limbed vehicles for naval applications. Part I. Performance analysis

Description: Research work in smart, unmanned limbed vehicles for naval warfare applications performed during the latter part of FY76 and FY76T by the Special Studies Group of the LLL Physics Department for the Office of Naval Research is reported. Smart water-traversing limbed remotely navigated vehicles are interesting because: they are the only viable small vehicle usable in high sea states; they are small and work on the ocean surface, they are much harder to detect than any other conventional craft; th… more
Date: September 30, 1976
Creator: Weisberg, A. & Wood, L.
Partner: UNT Libraries Government Documents Department
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Systems for Nuclear Auxiliary Power annual report, government fiscal year 1976/TQ

Description: The overall objective of the Systems for Nuclear Auxiliary Power (SNAP) Program is to continue system and component engineering activities relating to the zirconium hydride (ZrH) reactor. The specific objectives for FY 1976/TQ were to: (1) study standardized ZrH reactor space power systems and components, (2) perform preconceptual analysis and design of ZrH reactor--organic Rankine power systems for subsea applications, (3) conduct fuel and hydrogen barrier investigations, (4) perform system st… more
Date: September 30, 1976
Partner: UNT Libraries Government Documents Department
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System safety program plan for the Isotope Brayton Ground Demonstration System (phase I)

Description: The safety engineering effort to be undertaken in achieving an acceptable level of safety in the Brayton Isotope Power System (BIPS) development program is discussed. The safety organizational relationships, the methods to be used, the tasks to be completed, and the documentation to be published are described. The plan will be updated periodically as the need arises.
Date: September 30, 1976
Partner: UNT Libraries Government Documents Department
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Hydration-dehydration cycling of MgO--Mg(OH)/sub 2/ for application to solar heat storage systems

Description: A method for storing heat energy by utilizing reversible chemical reactions of inorganic oxides with water is under investigation at Atomics International. The system design requires a knowledge of rates of the dehydration and hydration reactions, and, in order that these rates be significant for practical applications, it must be shown that these rates are maintained as the material is cycled repeatedly through the anhydrous and hydrated condition. For solar heat storage operating on a daily c… more
Date: September 30, 1976
Creator: Ervin, G.
Partner: UNT Libraries Government Documents Department
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Reaction studies of hot silicon and germanium radicals. Progress report, September 1, 1975--August 30, 1976

Description: The experimental approach to attaining the goals of this research program is briefly outlined, and the progress made in the last year is reviewed in sections entitled: (a) Primary steps in the reactions of recoiling silicon and germanium atoms and the identification of reactive intermediates; (b) Thermally induced silylene reactions; (c) The role of ionic reactions in the chemistry of recoiling silicon atoms and other ion-molecule reaction studies.
Date: August 30, 1976
Creator: Gaspar, P. P.
Partner: UNT Libraries Government Documents Department
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Bibliography of reports on research sponsored by the NRC Office of Nuclear Regulatory Research, November 1975--June 1976

Description: A bibliography of 152 reports published by contractors of the NRC Office of Nuclear Regulatory Research during the period November 1975 through June 1976 is presented along with abstracts from the Nuclear Safety Information Center computer file. The bibliography has been sorted into the subject categories used by NRC to organize the research program. Within the subject categories, the reports are sorted by contractor organization and then chronologically. A brief description of the NRC research… more
Date: September 30, 1976
Creator: Buchanan, J. R.
Partner: UNT Libraries Government Documents Department
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Transpiration of helium and carbon monoxide through a multihundred watt, PICS filter. [Primary impact containment shell (PICS)]

Description: The transpiration of CO through the Multihundred Watt (MHW) filter can be described by Fick's first law or as a first order, reversible reaction. From Fick's first law, a ''diffusion'' coefficient of 7.8 x 10/sup -4/ cm.L/sec (L is the average path length through the filter) was determined. For the first order reversible reaction, a rate constant of 0.0058 hr/sup -1/ was obtained for both the forward and reverse reactions (they were assumed to be equal). This corresponds to a half-life of 120 h… more
Date: July 30, 1976
Creator: Schaeffer, D. R.
Partner: UNT Libraries Government Documents Department
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Thorium utilization program. Quarterly progress report for the period ending May 31, 1976. [Fuel element crushing, solids handling, fluidized-bed combustion, aqueous separations, solvent extraction, off-gas studies, semiremote handling systems, alternative head-end processing, and fuel recycle design]

Description: The work reported includes the development of unit processes and equipment for reprocessing of High-Temperature Gas-Cooled Reactor (HTGR) fuel and the design and development of an integrated line to demonstrate the head end of HTGR reprocessing using unirradiated fuel materials. Work is also described on trade-off studies concerning the required design of recycle facilities for the large-scale recycle of HTGR fuels in order to guide the development activities for HTGR fuel recycle.
Date: June 30, 1976
Partner: UNT Libraries Government Documents Department
open access

Application of nuclear energy to agriculture. Final report

Description: The following research projects in radiation botany were conducted: mutation breeding of beans and cassava; biological response of coffee plants; and radiosensitivity of tropical plants. In the field of entomology experiments were conducted on radiosterilization of the Mediterranean fruit fly, the coffee leaf miner, the torsalo and the meliaceous shootborer. The following research projects in plant physiology were conducted: physiology of cassava plants; effects of temperature on germination of… more
Date: June 30, 1976
Creator: Moh, C. C.
Partner: UNT Libraries Government Documents Department
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Energy transfer mechanisms in photobiological reactions. Progress report, 1 August 1975--30 April 1976

Description: As in our earlier work on the sensitized photooxidation of substituted phenylalanines, ring substituents were found to have a marked effect on the photooxidation of uracil. This compound was selected as a typical pyrimidine for detailed studies of the mechanism of photooxidation of molecules of biological importance. The photooxidation of a series of 5-substituted uracils as sensitized by eosin Y, ruthenium bipyridyl, 3-methyl-lumiflavin and methylene blue was studied using oxygen electrode and… more
Date: April 30, 1976
Creator: Spikes, J. D.
Partner: UNT Libraries Government Documents Department
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Future of nuclear power in the Northeast

Description: As of July 1975, there were 15 operable nuclear power plants in the Northeast, representing approximately 11 percent of the regional electric generating capability. Construction plans for the next two decades show a strong preference for nuclear units, there being 18 new units under construction and 33 additional units announced. Three projections (scenarios) covering the period from 1976 to 2000 are presented. The Base Case Nuclear Scenario assumes that the construction schedules as of August … more
Date: March 30, 1976
Creator: Sailor, V. L. & Shore, F. J.
Partner: UNT Libraries Government Documents Department
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Advanced electrooptic components for satellite/submarine optical communications systems

Description: Significant progress was made on identification and acquisition of optical components for an ultrahigh brightness weakly tunable blue-green beam generator. Limited performance validation of key system design concepts was achieved, and significant progress was made in improved optical design for more efficient generation of ultrahigh brightness, tunable blue-green radiation. These results are detailed.
Date: September 30, 1976
Creator: Marling, J. B.; Aldridge, F. T. & Wood, L. L.
Partner: UNT Libraries Government Documents Department
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