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Development of a solar-desiccant dehumidifier. Phase II second technical progress report

Description: The solar desiccant air conditioner (SODAC) system and its operation are described, including the characteristics of the major components, the performance at design conditions, and the control schemes for optimum operation in various climates. The system uses granular silica gel as a desiccant. It may operate in either a recirculated mode (no air exchange between the outside and the conditioned space) or a ventilated mode (air exchanged between outside and conditioned space). The test data in t… more
Date: October 16, 1981
Creator: Rousseau, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Development of a solar desiccant dehumidifier. Phase II. Technical progress report

Description: The effort reported is a continuation of the development testing of the 1.5-ton solar desiccant air conditioner (SODAC) and is concerned with determination of the SODAC performance in the recirculated and ventilated mode configuration. Test data in the recirculated mode are presented. As originally conceived, the SODAC features two-speed indoor and outdoor fans to permit more efficient operation at reduced capacity. In both full-flow and half-flow cases, the experimental data are compared to co… more
Date: March 27, 1981
Creator: Rousseau, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Characterization of liquid-water percolation in tuffs in the unsaturated zone, Yucca Mountain, Nye County, Nevada

Description: A surface-based borehole investigation currently (1989) is being done to characterize liquid-water percolation in tuffs of Miocene age in the unsaturated zone beneath Yucca Mountain, Nye County, Nevada Active in-situ testing and passive in-situ monitoring will be used in this investigation to estimate the present-day liquid-water percolation (flux). The unsaturated zone consists of a gently dipping sequence of fine-grained, densely fractured, and mostly welded ash-flow tuffs that are interbedde… more
Date: December 31, 1989
Creator: Kume, J. & Rousseau, J.P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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A borehole instrumentation program for characterization of unsaturated-zone percolation

Description: A borehole instrumentation and monitoring program has been designed by the US Geological Survey to support site characterization of unsaturated-zone percolation at Yucca Mountain, Nye County, Nevada. This program provides a means of defining the unsaturated-zone fluid flow (liquid and gas) potential field in a setting that incorporates large-scale stratigraphic and structural features, and the influences of geothermal heat flow and atmospheric pressure changes. Data derived from this program wi… more
Date: December 31, 1994
Creator: Kume, J. & Rousseau, J.P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Development of a solar desiccant dehumidifier. Second technical progress report

Description: Research and development of a solar desiccant dehumidifier featuring a rotary bed of granular silica gel and a rotary regenerator for air conditioning is described. The results of the system optimization studies are presented. The studies involved an extensive investigation of the energy saving potential and economic viability of the solar desiccant dehumidifier in different locations in the United States. Conventional electric vapor compression, and solar absorption and Rankine systems also we… more
Date: November 10, 1978
Creator: Gunderson, M. E.; Hwang, K. C.; Railing, S. M. & Rousseau, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Evaluation of a 6-wire thermocouple psychrometer for determination of in-situ water potentials

Description: The US Geological Survey has been conducting investigations at Yucca Mountain, Nevada, to provide information about the hydrologic and geologic suitability of this site for storing high-level nuclear wastes in an underground mined repository. Test drilling and instrumentation are a principal method of investigation. The main objectives of the deep unsaturated-zone testhole program are: (1) to determine the flux of water moving through the unsaturated welded and nonwelded tuff units, (2) to dete… more
Date: December 31, 1994
Creator: Loskot, C.L.; Rousseau, J.P. & Kurzmack, M.A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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The Use of Chemical and Physical Properties for Characterization of Strontium Distribution Coefficients at the Idaho National Engineering and Environmental Laboratory, Idaho

Description: The U.S. Geological Survey and Idaho State University, in cooperation with the U.S. Department of Energy, conducted a study to determine strontium distribution coefficients (Kds) of surficial sediments at the Idaho National Engineering and Environmental Laboratory (INEEL). Batch experimental techniques were used to determine experimental Kds of 20 surficial-sediment samples from the INEEL. The Kds describe the distribution of a solute between the solution and solid phase. A best-fit model was o… more
Date: June 1999
Creator: Rosentreter, J. J.; Nieves, R.; Kalivas, J.; Rousseau, J. P. & Bartholomay, R. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Hydrogeology of the unsaturated zone, North Ramp area of the Exploratory Studies Facility, Yucca Mountain, Nevada

Description: Yucca Mountain, in southern Nevada, is being investigated by the US Department of Energy as a potential site for a repository for high-level radioactive waste. This report documents the results of surface-based geologic, pneumatic, hydrologic, and geochemical studies conducted during 1992 to 1996 by the US Geological Survey in the vicinity of the North Ramp of the Exploratory Studies Facility (ESF) that are pertinent to understanding multiphase fluid flow within the deep unsaturated zone. Detai… more
Date: March 1, 1999
Creator: Rousseau, J. P.; Kwicklis, E. M. & Gillies, D. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Drilling, logging, and testing information from borehole UE-25 UZ{number_sign}16, Yucca Mountain, Nevada

Description: Borehole UE-25 UZ{number_sign}16 is the first of two boreholes that may be used to determine the subsurface structure at Yucca Mountain by using vertical seismic profiling. This report contains information collected while this borehole was being drilled, logged, and tested from May 27, 1992, to April 22, 1994. It does not contain the vertical seismic profiling data. This report is intended to be used as: (1) a reference for drilling similar boreholes in the same area, (2) a data source on this … more
Date: September 1, 1998
Creator: Thamir, F.; Thordarson, W.; Kume, J.; Rousseau, J.; Long, R. & Cunningham, D.M. Jr.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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