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Passive solar heating of buildings with attached greenhouse. Progress report, November 30, 1979-February 28, 1980

Description: Research is being conducted on the attached-greenhouse type of passive solar heating system in the north-central region. The thermal performance of attached-greenhouse buildings is being analyzed in order to determine the component sizes and configurations which optimize performance. The analytical method is dynamic computer simulation using a thermal network model and actual hourly meteorological and solar radiation data from the north-central region. Progress has consisted of a large number of computer simulation runs resulting in performance estimates for certain designs. Preliminary conclusions on design guidelines are suggested by the results. The overall aim of the project is the development of specific design guidelines useful to architects and builders.
Date: February 1, 1980
Creator: Jones, R.W.
Partner: UNT Libraries Government Documents Department

Summer-heat-gain control in passive-solar-heated buildings: fixed horizontal overhangs

Description: An aspect of passive cooling relates to cooling load reduction by the use of solar controls. When there is a substantial winter heating requirement, and when the winter heating needs are met in part by a passive solar heating system, then the potential aggravation of summer cooling loads by the heating system is an important design issue. A traditional solution is the use of a fixed, horizontal shading overhang. An approach to quantitative design rules for the sizing of a shading overhang to minimize total annual space conditioning energy needs is outlined.
Date: January 1, 1981
Creator: Jones, R.W.
Partner: UNT Libraries Government Documents Department

Surfaces in the interaction of intense long wavelength laser light with plasmas

Description: The role of surface in the interaction of intense CO/sub 2/ laser light with plasmas is reviewed. The collisionless absorption of long wavelength light is discussed. Specific comments on the role of ponderomotive forces and profile steepening on resonant absorption are made. It is shown that at intensities above 10/sup 15/W/cm/sup 2/ the absorption is determined by ion acoustic-like surface modes. It is demonstrated experimentally that harmonics up to the forty-sixth can be generated in steep density profiles. Computer simulations and theoretical mechanisms for this phenomena are presented. The self generation of magnetic fields on surfaces is discussed. The role these fields play in the lateral transport of energy, the insulation of the target from hot electrons, and the acceleration of fast ions is discussed.
Date: January 1, 1985
Creator: Jones, R.D.
Partner: UNT Libraries Government Documents Department

Passive solar design handbook

Description: The Passive Solar Design Handbook, Volume Three updates Volume Two by presenting extensive new data on the optimum mix of conservation and solar direct gain, sunspaces, thermal storage walls, and solar radiation. The direct gain, thermal storage wall, and solar radiation data are greatly expanded relative to the Volume 2 coverage. The needed flexibility to analyze a variety of system designs is accommodated by the large number of reference designs to be encompassed - 94 in contrast to 6 in Volume two - and the large amount of sensitivity data for direct gain and sunspace systems - approximately 1100 separate curves.
Date: January 1, 1981
Creator: Jones, R.W.
Partner: UNT Libraries Government Documents Department

Stress corrosion cracking of metal matrix composites: Modeling and experiment

Description: The stress corrosion crack growth ate of metal matrix composites has been described by a model which is dependent on the length-to- diameter ({ell}/d) ratio and volume fraction of the reinforcing phase and matrix creep component. The model predicts a large dependence of the stress corrosion crack growth rate of a metal matrix composite on {ell}/d and matrix creep component and a small dependence on the volume fraction of reinforcement. Experimentally determined crack growth rates for 7090 Al/SiC tested in 3.5% NcCl solution, 6061 Al/SiC tested in moist air with NaCl and immersed in NaCl solution, and Mg/Al{sub 2}0{sub 3} tested in a chloride/chromate solution are all consistent with the model. The close correspondence between the model and experiment for a matrix creep stress exponent of 3 suggest that there is little corrosion damage to the reinforcing phase in these systems. 16 refs., 5 figs.
Date: October 1, 1990
Creator: Jones, R.H.
Partner: UNT Libraries Government Documents Department

Ground coupling and single-blow thermal storage in a double-envelope house

Description: The possibility of ground thermal storage and coupling in a double-shell house is investigated. Temperature distribution in the ground, utilizing measured ground temperatures, is obtained, and the amount of heat retrieval is assessed. One experimental model and several hypothetical models are introduced; their effects and advantages are compared.
Date: January 1, 1981
Creator: Ghaffari, H T & Jones, R F
Partner: UNT Libraries Government Documents Department

THERMAL CONDUCTIVITY OF NON-REPOSITORY LITHOSTRATIGRAPHIC LAYERS

Description: This model report addresses activities described in ''Technical Work Plan for: Near-Field Environment and Transport Thermal Properties and Analysis Reports Integration'' (BSC 2004 [DIRS 171708]). The model develops values for thermal conductivity, and its uncertainty, for the nonrepository layers of Yucca Mountain; in addition, the model provides estimates for matrix porosity and dry bulk density for the nonrepository layers. The studied lithostratigraphic units, as identified in the ''Geologic Framework Model'' (GFM 2000) (BSC 2004 [DIRS 170029]), are the Timber Mountain Group, the Tiva Canyon Tuff, the Yucca Mountain Tuff, the Pah Canyon Tuff, the Topopah Spring Tuff (excluding the repository layers), the Calico Hills Formation, the Prow Pass Tuff, the Bullfrog Tuff, and the Tram Tuff. The deepest model units of the GFM (Tund and Paleozoic) are excluded from this study because no data suitable for model input are available. The parameter estimates developed in this report are used as input to various models and calculations that simulate heat transport through the rock mass. Specifically, analysis model reports that use product output from this report are: (1) Drift-scale coupled processes (DST and TH seepage) models; (2) Drift degradation analysis; (3) Multiscale thermohydrologic model; and (4) Ventilation model and analysis report. In keeping with the methodology of the thermal conductivity model for the repository layers in ''Thermal Conductivity of the Potential Repository Horizon'' (BSC 2004 [DIRS 169854]), the Hsu et al. (1995 [DIRS 158073]) three-dimensional (3-D) cubic model (referred to herein as ''the Hsu model'') was used to represent the matrix thermal conductivity as a function of the four parameters (matrix porosity, thermal conductivity of the saturating fluid, thermal conductivity of the solid, and geometric connectivity of the solid). The Hsu model requires input data from each test specimen to meet three specific conditions: (1) Known value for matrix porosity; (2) ...
Date: October 22, 2004
Creator: JONES, R.
Partner: UNT Libraries Government Documents Department

FREE AIR PRESSURE MEASUREMENTS

Description: Indenter gages, Wiancko gages, and interferometer gages were used to measure air overpressure vs time at essentially ground level stations for both the surface (S) and undprground (U) atomic explosions. For the S Burst several instruments were placed on a line extending from an overpressure region of 13 psi to a region of less than one psi. The air measurements for the U Burst ranged from 32 to 2 psi. (D. L.G.)
Date: February 19, 1952
Creator: Howard, W.J. & Jones, R.D.
Partner: UNT Libraries Government Documents Department

HIGH-SPEED AUTO-DATA SYSTEM FOR BLAST STUDIES

Description: A multichannel high-speed automated system for recording digitally the outputs of the analog transducers used in the study of blast effects from small HE charges is described. Test phenomena associated with these studies are recorded in 10 to 40 msec. Installation and operation of this data handling system are described. (J.R.D.)
Date: July 1, 1960
Creator: Jones, R.D. & Smith, J.D.
Partner: UNT Libraries Government Documents Department

The spanwise distribution of lift for minimum induced drag of wings having a given lift and a given bending moment

Description: The problem of the minimum induced drag of wings having a given lift and a given span is extended to include cases in which the bending moment to be supported by the wing is also given. The theory is limited to lifting surfaces traveling at subsonic speeds. It is found that the required shape of the downwash distribution can be obtained in an elementary way which is applicable to a variety of such problems. Expressions for the minimum drag and the corresponding spanwise load distributions are also given for the case in which the lift and the bending moment about the wing root are fixed while the span is allowed to vary. The results show a 15-percent reduction of the induced drag with a 15-percent increase in span as compared with results for an elliptically loaded wing having the same total lift and bending moment.
Date: December 1, 1950
Creator: Jones, R. T.
Partner: UNT Libraries Government Documents Department

Crossflow Filter Check Out Test Report

Description: As part of the reconstitution of 512-S, a functional test of the Crossflow Filter located in the North Cell of Building 512-S was conducted from July 22 through August 14, 2002. This test was performed in two parts. The first part used water as the process feed. The second part used simulant salt solution, simulant sludge, and monosodium titanate (MST) at various solids loadings as the process feed. The test was designed to demonstrate the cross-flow filter's ability to perform solid-liquid separation on the feed stream and to collect relevant operational data. During the chemical runs, four different batch runs were made at increasing weight percent solids loading. Not all of the 512-S systems were in operation, only those essential for the testing of the Crossflow Filter.
Date: December 19, 2002
Creator: Jones, R.T.
Partner: UNT Libraries Government Documents Department

Waste Incidental to Reprocessing Evaluation for Disposing Saltcake to Saltstone

Description: This Waste Incidental to Reprocessing Evaluation is performed in accordance with Department of Energy Order 435.1, Radioactive Waste Management. This evaluation is performed in order to determine whether saltcake currently stored in the Tank Farms, when separated from supernate, meets WIR requirements and can therefore be managed as Low Level Waste and disposed in the Saltstone Production and Disposal Facility in Z-Area.
Date: December 19, 2002
Creator: Jones, R.T.
Partner: UNT Libraries Government Documents Department

Accuracy of CDC 6600/7600 Fortran library functions

Description: This report documents the results of tests of accuracy performed on Fortran library functions corresponding to version 3.0 (PSR 326) of the Fortran Extended Library and version V327 of the CDC 6600 SCOPE 3.3 operating system; version 4.6 (PSR 439) of the Fortran Extended Library and the NOS operating system; and version 4.6 (level 420) of the Fortran extended Library and level 221C of the 7000 SCOPE 2.1 operating system. It is emphasized that corresponding routines of the same name in different libraries may--and often do--yield different results, so that those reported apply only to the particular system on which they were obtained. They are not intended as endorsements or criticisms of the CDC routines tested, but as information for users of Sandia Laboratories 6600/7600 computer systems. 1 figure, 11 tables.
Date: October 1, 1977
Creator: Bailey, C.B. & Jones, R.E.
Partner: UNT Libraries Government Documents Department

Approach to performance evaluation of a double wall convective loop house

Description: A double wall house of Ekose'a design, located in Middletown, RI, is being evaluated by Brookhaven National Laboratory under sponsorship of the US Department of Energy. The technical approach employed in monitoring and analyzing the thermal performance of the building is described.
Date: January 1, 1980
Creator: Ghaffari, H T; Jones, R F & Dennehy, G
Partner: UNT Libraries Government Documents Department

Experimental studies using light ions to simulate fusion neutron damage effects on mechanical properties

Description: This paper presents some first results from ongoing experimental work to compare effects of light ion and fusion neutron damage on tensile yield strengths of Ni and Nb. Comparisons of these results with calculated damage energy values are discussed, and the significance of such measurements evaluated.
Date: September 1, 1977
Creator: Styris, D. L. & Jones, R. H.
Partner: UNT Libraries Government Documents Department

Simulation of the ghost ranch greenhouse-residence

Description: The greenhouse-residence unit of the Sundwellings Demonstration Center at Ghost Ranch, Abiguice, New Mexico, has been studied by computer modeling and simulation techniques. A thermal network model of the building has been developed in the framework of PASOLE, the Los Alamos passive solar energy simulation program. Simulation studied based on hourly weather data recorded during the 1977--78 heating season leave been done. Model validation was done by hourly comparisons of simulation predicted temperatures in the building with measured values of corresponding temperatures. The building model was used to predict a 12-month performance with the 1976--77 Los Alamos weather data. A solar fraction, the ratio of the solar portion of the residence heat input to the total heating load, was computed to be 60%. Other performance and design questions studies with 12-month Los Alamos simulation runs include the importance of the thermocirculation vents, the effect of external insulation on the residence walls, and the effect of nighttime insulation on the greenhouse glazing.
Date: January 1, 1979
Creator: Jones, R.W. & McFarland, R.D.
Partner: UNT Libraries Government Documents Department

Cooling-load implications for residential passive-solar-heating systems

Description: Ongoing research on quantifying the cooling loads in residential buildings, particularly buildings with passive solar heating systems, is described, along with the computer simulation model used for calculating cooling loads. A sample of interim results is also presented. The objective of the research is to develop a simple analysis method, useful early in design, to estimate the annual cooling energy requirement of a given building.
Date: January 1, 1983
Creator: Jones, R.W. & McFarland, R.D.
Partner: UNT Libraries Government Documents Department

SLR methods for attached sunspaces

Description: Solar load ratio (SLR) methods applied to sunspaces are reviewed. Procedures are described both for the 28 sunspace basic design types and for the design variations that can be accommodated within the SLR method. Emphasis is placed on aspects of design, operation, and analysis that relate to the production of both plants and heat. Issues discussed include geometry, shading of mass, temperature limits, and energy loss caused by the exfiltration of water vapor.
Date: January 1, 1982
Creator: Jones, R.W. & McFarland, R.D.
Partner: UNT Libraries Government Documents Department