RETRIEVAL EVENTS EVALUATION (open access)

RETRIEVAL EVENTS EVALUATION

The purpose of this analysis is to evaluate impacts to the retrieval concept presented in the Design Analysis ''Retrieval Equipment and Strategy'' (Reference 6), from abnormal events based on Design Basis Events (DBE) and Beyond Design Basis Events (BDBE) as defined in two recent analyses: (1) DBE/Scenario Analysis for Preclosure Repository Subsurface Facilities (Reference 4); and (2) Preliminary Preclosure Design Basis Event Calculations for the Monitored Geologic Repository (Reference 5) The objective of this task is to determine what impacts the DBEs and BDBEs have on the equipment developed for retrieval. The analysis lists potential impacts and recommends changes to be analyzed in subsequent design analyses for developed equipment, or recommend where additional equipment may be needed, to allow retrieval to be performed in all DBE or BDBE situations. This analysis supports License Application design and therefore complies with the requirements of Systems Description Document input criteria comparison as presented in Section 7, Conclusions. In addition, the analysis discusses the impacts associated with not using concrete inverts in the emplacement drifts. The ''Retrieval Equipment and Strategy'' analysis was based on a concrete invert configuration in the emplacement drift. The scope of the analysis, as presented in ''Development Plan for Retrieval …
Date: November 12, 1999
Creator: Wilson, T.
System: The UNT Digital Library
Defense Logistics: Army Should Assess Cost and Benefits of the Workload Performance System Expansion (open access)

Defense Logistics: Army Should Assess Cost and Benefits of the Workload Performance System Expansion

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO reviewed the Army's study of its master plan for implementing its Workload Performance System, focusing on the: (1) Army's progress in developing and implementing the workload performance system; and (2) extent to which the Army's April 1999 report to the House Committee on National Security addresses an overall master plan for implementing the system, including the system's future applications and funding requirements."
Date: November 12, 1999
Creator: United States. General Accounting Office.
System: The UNT Digital Library
Development of a Drillrod/Telemetry Radar (open access)

Development of a Drillrod/Telemetry Radar

Efficient extraction of deeply buried natural resources is dependent upon accurate geologic models. The model becomes the basis for developing plans for extraction of the resource. Geoscientists working in geothermal and hydrocarbon recovery have a great deal in common with fellow geoscientists working in the mining industry. They appreciate the intractable problem of increasing the depth of investigation to tens of meters from the wellbore. The goal of this project was to develop a borehole radar tool to acquire data within tens of meters from the wellbore. For geothermal and hydrocarbon applications, the tool was to acquire data for mapping fractures surrounding the wellbore. In mining of coal, the radar acquires data for determining coal seam thickness and detecting geologic anomalies ahead of mining.
Date: November 12, 1999
Creator: Raton Technology Research, Inc.
System: The UNT Digital Library
PULVERIZATION INDUCED CHARGE: IN-LINE DRY COAL CLEANING (open access)

PULVERIZATION INDUCED CHARGE: IN-LINE DRY COAL CLEANING

The technical feasibility of separating mineral matter and pyrite from coal as it is transported from pulverizers to burners in pulverized coal combustion units is examined. The charge imparted on coal during pulverization and transport to pulverized coal (PC) burners in a utility boiler is quantified. In addition to field charge measurements, an existing computational model is extended to numerically simulate charged particle motion in a turbulent gas through coal transport pipes and triboelectrostatic separation zone. Results from the field tests and numerical modeling are employed in a conceptual design and a 4--40 kg/hr laboratory-scale separator is constructed and tested. This laboratory unit is used to quantify the magnitude and differential charge imparted on coals during pulverization and transport typical in utility PC units. An electrostatic separator, designed for in-line operation between pulverizers and PC boilers, will be used to clean prepulverized coals. Theoretical and experimental data are to be used in preparing a preliminary and conceptual design for a 15 ton/hr, in-line, electrostatic coal cleaning device. Finally, the economic potential for applications to PC units is assessed.
Date: November 12, 1999
Creator: Stencel, John M.
System: The UNT Digital Library
Note on RHIC polarimetry. (open access)

Note on RHIC polarimetry.

For physics measurements with polarized colliding beams, beam polarizations and relative luminosities must both be determined. Predictions for spin observables of many interesting physics processes at RHIC are quite small in magnitude. This requires high statistics measurements of relative luminosities and careful control of systematic errors. Discussions about the polarized beams at RHIC often presume that the polarization and intensity of each bunch within a will be known quite well from measurements by the RHIC polarimeters. The purpose of this note is to give a description of the knowledge that can actually be obtained from these polarimeters.
Date: November 12, 1999
Creator: Spinka, H.
System: The UNT Digital Library
Catalytic membrane program. Quarterly report for the period August 1999--October 1999 (open access)

Catalytic membrane program. Quarterly report for the period August 1999--October 1999

For both power generation and pipeline-quality gas applications, the projected performance of the membrane currently under development is economically attractive. Aspects of membrane development include hollow fiber substrate production, reproducibility of membrane synthesis, chemical vapor deposition as a post treatment technique, and testing of membrane thermal and hydrothermal stability.
Date: November 12, 1999
Creator: Liu, Paul K.T.
System: The UNT Digital Library