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Organic Rankine-cycle power systems working fluids study: Topical report No. 2, Toluene
The US Department of Energy initiated an investigation at Argonne National Laboratory in 1982 to experimentally determine the thermal stability limits and degradation rates of toluene as a function of maximum cycle temperature. Following the design and construction of a dynamic test loop capable of closely simulating the thermodynamic conditions of typical organic Rankine-cycle (ORC) power systems, four test runs, totaling about 3900 h of test time and covering a temperature range of 600-677(degree)F, were completed. Both liquid and noncondensable-vapor (gaseous) samples were drawn periodically and analyzed using capillary-column gas chromatography, gas chromatography/mass spectrometry, and mass spectrometry. A computer program that can predict degradation in an ORC engine was developed. Experimental results indicate that, if oxygen can be excluded from the system, toluene is a stable fluid up to the maximum test temperature; the charge of toluene could be used for several years before replacement became necessary. (Additional data provided by Sundstrand Corp. from tests sponsored by the National Aeronautics and Space Administration indicate that toluene may be used at temperatures up to 750(degree)F.) Degradation products are benign; the main liquid degradation products are bibenzyls, and the main gaseous degradation products are hydrogen and methane. A cold trap to remove …
Date:
February 1, 1987
Creator:
Cole, R.L.; Demirgian, J.C. & Allen, J.W.
Object Type:
Report
System:
The UNT Digital Library
Sulfur tolerant anode materials
The goal of this program is the development of a molten carbonate fuel cell (MCFC) anode which is more tolerant of sulfur contaminants in the fuel than the current state-of-the-art nickel-based anode structures. This program addresses two different but related aspects of the sulfur contamination problem. The primary aspect is concerned with the development of a sulfur tolerant electrocatalyst for the fuel oxidation reaction. A secondary issue is the development of a sulfur tolerant water-gas-shift reaction catalyst and an investigation of potential steam reforming catalysts which also have some sulfur tolerant capabilities. These two aspects are being addressed as two separate tasks.
Date:
February 1, 1987
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enhanced durability and reactivity for zinc ferrite desulfurization sorbent
AMAX Research Development Center (AMAX R D) has been investigating methods for enhancing the reactivity and durability of the zinc ferrite desulfurization sorbent. Zinc ferrite sorbents are intended for use in desulfurization of hot coal gas in integrated gasification combined cycle (IGCC) or molten carbonate fuel cell (MCFC) applications. For the present program, the reactivity of the sorbent may be defined as its sulfur sorption capacity at the breakthrough point and at saturation in a bench-scale, fixed-bed reactor. Durability may be defined as the ability of the sorbent to maintain important physical characteristics such As size, strength, and specific surface area during 10 cycles of sulfidation and oxidation.
Date:
February 23, 1987
Creator:
Jha, M. C. & Baltich, L. K.
Object Type:
Report
System:
The UNT Digital Library
My Program Against AIDS
Campaign materials discussing AIDS, including predictions for the spread of the disease, the text of "A Memorial Bill to Stop AIDS," and an article about AIDS research.
Date:
February 7, 1987
Creator:
Lyndon H. LaRouche, Jr.
Object Type:
Pamphlet
System:
The UNT Digital Library
[Letter from James R. Miller to Richard Swain, February 17, 1987]
Letter from James R. Miller to Richard Swain, on February 17, 1987, sending him an executive summary and proposal for the Texas Academy of Mathematics and Science. An executive summary is included.
Date:
February 17, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from James R. Miller to Orbry Holden, February 10, 1987]
Letter from James R. Miller to Orbry Holden, on February 10, 1987, sending Holden a proposal for the Academy of Mathematics and Science, with a budget. The proposal, the original concept paper, and budgets are included.
Date:
February 10, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from David E. Golden to Harden H. Widemann, February 12, 1987]
Letter from David E. Golden to Harden H. Wiedemann, on February 12, 1987. He thanks Wiedemann for talking to himself and James Miller about the establishment of a Texas Academy of Mathematics and Science. He discusses the cost of creating a TAMS program, and sends a copy of a bill from Louisiana that established the Louisiana School of Mathematics, Science, and the Arts.
Date:
February 12, 1987
Creator:
Golden, David E.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from James R. Miller to Alfred Hurley, February 18, 1987]
Letter from James R. Miller to Alfred Hurley, on February 18, 1987, confirming that he has sent a copy of the Academy proposal to Commission Ken Ashworth. He suggests that certain people be sent a copy of the proposal, and recommends that a news conference be held to announce the idea.
Date:
February 17, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from James R. Miller to Kenneth Ashworth, February 18, 1987]
Letter from James R. Miller to Kenneth Ashworth, on February 18, 1987, sending him a copy of the Academy proposal.
Date:
February 18, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
Beyond "'Speedup": Performance Analysis of Parallel Programs
This paper addresses the problem of measuring and analyzing the performance of fine-grained parallel programs running on shared-memory multiprocessors. Such processors use locking (either directly in the application program, or indirectly in a subroutine library or the operating system) to serialize accesses to global variables. Given sufficiently high rates of locking, the chief factor preventing linear speedup (besides lack of adequate inherent parallelism in the application) is lock contention - the blocking of processes that are trying to acquire a lock currently held by another process.
Date:
February 1987
Creator:
Dritz, Kenneth W. & Boyle, James M.
Object Type:
Report
System:
The UNT Digital Library
Insertion Device and Beam Line Plans for the Advanced Photon Source : a Report and Recommendations by the Insertion Device and Beam Line Planning Committee
In the 7-GeV Advanced Photon Source (APS) Conceptual Design Report (CDR), fifteen complete experimental beam lines were specified in order to establish a representative technical and cost base for the components involved. In order to optimize the composition of the insertion devices and the beam line, these funds are considered a ''Trust Fund.'' The present report evaluates the optimization for the distribution of these funds so that the short- and long-term research programs will be most productive, making the facility more attractive from the user's point of view. It is recommended that part of the "Trust Fund" be used for the construction of the insertion devices, the front-end components, and the first-optics, minimizing the cost to potential users of completing a beam line. In addition, the possibility of cost savings resulting from replication and standardization of high multiplicity components (such as IDs, front ends, and first-optics instrumentation) is addressed.
Date:
February 1987
Creator:
Boyce, R.; Hewitt, R.; Morrison, T. I.; Shenoy, G. K.; Thomlinson, W. & Viccaro, P. J.
Object Type:
Report
System:
The UNT Digital Library
Ground-water monitoring compliance projects for Hanford Site facilities: Volume 1, The report and Appendix A, Progress report for the period October 1 to December 31, 1986
This report documents recent progress on ground-water monitoring projects for four Hanford Site facilities: the 300 Area Process Trenches, the 183-H Solar Evaporation Basins, the 200 Area Low-Level Burial Grounds, and the Nonradioactive Dangerous Waste (NRDW) Landfill. The existing ground-water monitoring projects for the first two facilities named in the paragraph above are currently being expanded by adding new wells to the networks. During the reporting period, sampling of the existing wells continued on a monthly basis, and the analytical results for samples collected from September through November 1986 are included and discussed in this document. 8 refs., 41 figs., 7 tabs.
Date:
February 1, 1987
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
An aerial radiological survey of Pocatello and Soda Springs, Idaho and surrounding area, June--July 1986
Three aerial radiological surveys were conducted during the period 16 June through 15 July 1986 over the towns of Pocatello, Soda Springs, and Fort Hall, Idaho and the surrounding areas. The surveys were performed for the United States Environmental Protection Agency (EPA) by the United States Department of Energy's (DOE) Remote Sensing Laboratory (RSL), utilizing the Aerial Measuring System (AMS). This work was completed in cooperation with a study by the EPA to conduct a dose assessment of human radiation exposure for industrial sources in Pocatello and Soda Springs, Idaho. The aerial surveys were performed to document the natural terrestrial radiological environment of the three localities and to map the spatial extent and degree of contamination due to phosphate milling operations. The results of these surveys will be used for planning ground-based measurements in addition to being incorporated into the dose assessment document. 4 refs., 14 figs., 6 tabs.
Date:
February 1, 1987
Creator:
Berry, H. A.
Object Type:
Report
System:
The UNT Digital Library
[Clipping: High school students to invade NT: Gifted juniors and seniors get head start at college]
Article discussing the proposal to establish the Texas Academy of Mathematics and Science including plans for the school and funding needs. Partial articles are on the back of the clipping.
Date:
February 19, 1987
Creator:
Longoria, Michele
Object Type:
Clipping
System:
The UNT Digital Library
Southwest Retort, Volume 40, Number 2, February 1987
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
February 1987
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
[News Clip: Nursing Shortage PKG]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5pm.
Date:
February 21, 1987, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Knight Pay Raise]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date:
February 22, 1987, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 79, No. 7, Ed. 1 Thursday, February 12, 1987
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
February 12, 1987
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 79, No. 6, Ed. 1 Thursday, February 5, 1987
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
February 5, 1987
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 79, No. 8, Ed. 1 Thursday, February 19, 1987
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
February 19, 1987
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 79, No. 9, Ed. 1 Thursday, February 26, 1987
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
February 26, 1987
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
[Liendo Plantation Photograph #1]
Photograph of the Liendo Plantation in Hempstead, Texas.
Date:
February 1987
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
[Scottish Rite Cathedral Photograph #1]
Photograph of the Scottish Rite Cathedral, in San Antonio, Texas.
Date:
February 1987
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
[Scottish Rite Cathedral Photograph #4]
Photograph of the Scottish Rite Cathedral, in San Antonio, Texas.
Date:
February 1987
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History