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938 nm Nd-Doped High Power Cladding Pumped Fiber Amplifier
2.1W of 938nm light has been produced in an Nd{sup 3+} doped fiber amplifier. Wavelength dependent bend losses can be employed to minimize 1088nm amplified spontaneous emission giving the optical fiber a distinct advantage over bulk media.
Date:
September 19, 2002
Creator:
Dawson, J; Beach, R; Drobshoff, A; Liao, Z; Pennington, D; Payne, S et al.
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 31, No. 25, Ed. 1 Friday, April 19, 2002
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 19, 2002
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
2D/3D quench simulation using ANSYS for epoxy impregnated Nb3Sn high field magnets
A quench program using ANSYS is developed for the high field collider magnet for three-dimensional analysis. Its computational procedure is explained. The quench program is applied to a one meter Nb{sub 3}Sn high field model magnet, which is epoxy impregnated. The quench simulation program is used to estimate the temperature and mechanical stress inside the coil as well as over the whole magnet. It is concluded that for the one meter magnet with the presented cross section and configuration, the thermal effects due to the quench is tolerable. But we need much more quench study and improvements in the design for longer magnets.
Date:
September 19, 2002
Creator:
al., Ryuji Yamada et
Object Type:
Article
System:
The UNT Digital Library
Abortion: Legislative Response
The primary purpose of this issue brief is to focus on the current legislative action in the 107th Congress with respect to abortion; however, understanding that legislation requires a review of the U. S. Supreme Court’s leading decisions concerning a woman’s right to choose whether to terminate her pregnancy. For a detailed discussion of the case law, see CRS Report 95-724, Abortion Law Development: A Brief Overview.
Date:
July 19, 2002
Creator:
Lewis, Karen J.; Shimabukuro, Jon O. & Ely, Dana
Object Type:
Report
System:
The UNT Digital Library
Addendum to the Composite Analysis for the E-Area Vaults and Saltstone Disposal Facilities
Revision 1 of the Composite Analysis (CA) Addendum has been prepared to respond to the U.S. Department of Energy (DOE) Low-Level Waste Disposal Facilities Federal Review Group review of the CA. This addendum to the composite analysis responds to the conditions of approval. The composite analysis was performed on the two active SRS low-level radioactive waste disposal facilities. The facilities are the Z-Area Saltstone Disposal Facility and the E-Area Vaults Disposal Facility. The analysis calculated potential releases to the environment from all sources of residual radioactive material expected to remain in the General Separations Area (GSA). The GSA is the central part of the Savannah River Site and contains all of the waste disposal facilities, the chemical separation facilities and associated high-level waste storage facilities, as well as numerous other sources of radioactive material.
Date:
December 19, 2002
Creator:
Cook, J. R.
Object Type:
Report
System:
The UNT Digital Library
Adding the infrastructure class hierarchy to the EXHORT framework for object-oriented deployment simulations.
One of the objectives of the U.S. Department of Defense is to standardize all classes used in object-oriented deployment simulations by developing a standard class attribute representation and behavior for all deployment simulations that rely on an underlying class representation. The EXtensive Hierarchy and Object Representation for Transportation Simulations (EXHORT) is a class framework composed of two hierarchies that together constitute a standard and consistent class attribute representation and behavior that could be used directly by a large set of deployment simulations. The first hierarchy, the Transportation Class Hierarchy (TCH), was submitted to the Army Modeling and Simulation Office's (AMSO) Army Standards Repository in 1999 and presented at the Fall Simulation Interoperability Workshop in the same year. The second hierarchy, the Infrastructure Class Hierarchy (ICH), describes the encapsulation of the rest of the defense transportation system and is the primary focus of this paper. The entire EXHORT framework lets deployment simulations use the same set of underlying class data, ensures transparent exchanges, reduces the effort needed to integrate simulations, and permits a detailed analysis of the defense transportation system.
Date:
July 19, 2002
Creator:
Burke, J. F.; Van Groningen, C.; Bragen, M. & Macal, C. M.
Object Type:
Article
System:
The UNT Digital Library
An adjustable thickness Li/Be target for fragmentation of 3-kW heavy ion beams.
As a first step towards developing liquid lithium target technology for a future high-power nuclear physics fragmentation facility, an adjustable thickness Li/Be hybrid target is being constructed for use at the NSCL. This target will use beryllium windows with flowing lithium. The lithium serves as a part of the target as well as the coolant. Up to 1 kW of beam power is dissipated in the target and is carried away by the recirculating liquid lithium loop. It is designed for high power beams in the mass range from oxygen to calcium. Tapered beryllium windows combined with a uniform thickness lithium channel gives an overall target thickness ranging from 0.7 g/cm{sup 2} to 3 g/cm{sup 2}, which is adjusted by moving the target vertically. The target system design is complete and is described in this paper.
Date:
July 19, 2002
Creator:
Nolen, J. A.; Reed, C. B.; Hassanein, A.; Novick, V. J.; Plotkin, P.; Specht, J. R. et al.
Object Type:
Article
System:
The UNT Digital Library
Advanced Test Reactor (ATR) Facility 10CFR830 Safety Basis Related to Facility Experiments
The Idaho National Engineering and Environmental Laboratory (INEEL) Advanced Test Reactor (ATR), a DOE Category A reactor, was designed to provide an irradiation test environment for conducting a variety of experiments. The ATR Safety Analysis Report, determined by DOE to meet the requirements of 10 CFR 830, Subpart B, provides versatility in types of experiments that may be conducted. This paper addresses two general types of experiments in the ATR facility and how safety analyses for experiments are related to the ATR safety basis. One type of experiment is more routine and generally represents greater risks; therefore this type of experiment is addressed with more detail in the safety basis. This allows individual safety analyses for these experiments to be more routine and repetitive. The second type of experiment is less defined and is permitted under more general controls. Therefore, individual safety analyses for the second type of experiment tend to be more unique from experiment to experiment. Experiments are also discussed relative to ''major modifications'' and DOE-STD-1027-92. Application of the USQ process to ATR experiments is also discussed.
Date:
June 19, 2002
Creator:
Tomberlin, T.A.
Object Type:
Article
System:
The UNT Digital Library
Africa: U.S. Foreign Assistance Issues
This report discusses the issue of U.S. economic assistance to sub-Saharan Africa, highlighting the importance of continued assistance in light of U.S. national security and also various U.S.-led efforts to promote reform amongst African citizens themselves. U.S. assistance finds its way to Africa through a variety of channels, including the USAID-administered DA program, food aid programs, and indirect aid provided through international financial institutions and the United Nations.
Date:
February 19, 2002
Creator:
Copson, Raymond W.
Object Type:
Report
System:
The UNT Digital Library
Air Quality and Electricity: Initiatives to Increase Pollution Controls
This report discusses air quality initiatives (such as the Ozone Transport Rule) that primarily focus on reducing and enforcing emissions from coal-fired electric generating utilities in the Midwest and South. The report also addresses various legislative activity that focuses on multi-pollutant strategies as an alternative to these piecemeal initiatives.
Date:
March 19, 2002
Creator:
Parker, Larry & Blodgett, John E.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 127, No. 16, Ed. 1 Thursday, September 19, 2002
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 19, 2002
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 127, No. 29, Ed. 1 Thursday, December 19, 2002
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
December 19, 2002
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
ALE3D Model Predictions and Materials Characterization for the Cookoff Response of PBXN-109
ALE3D simulations are presented for the thermal explosion of PBXN-109 (RDX, AI, HTPB, DOA) in support of an effort by the U. S. Navy and Department of Energy (DOE) to validate computational models. The U.S. Navy is performing benchmark tests for the slow cookoff of PBXN-109 in a sealed tube. Candidate models are being tested using the ALE3D code, which can simulate the coupled thermal, mechanical, and chemical behavior during heating, ignition, and explosion. The strength behavior of the solid constituents is represented by a Steinberg-Guinan model while polynomial and gamma-law expressions are used for the Equation Of State (EOS) for the solid and gas species, respectively. A void model is employed to represent the air in gaps. ALE3D model 'parameters are specified using measurements of thermal and mechanical properties including thermal expansion, heat capacity, shear modulus, and bulk modulus. A standard three-step chemical kinetics model is used during the thermal ramp, and a pressure-dependent burn front model is employed during the rapid expansion. Parameters for the three-step kinetics model are specified using measurements of the One-Dimensional-Time-to-Explosion (ODTX), while measurements for burn rate of pristine and thermally damaged material are employed to determine parameters in the burn front model. Results …
Date:
March 19, 2002
Creator:
McClelland, M. A.; Maienschein, J. L.; Nichols, A. L.; Wardell, J. F.; Atwood, A. I. & Curran, P. O.
Object Type:
Article
System:
The UNT Digital Library
Alive in the Mystery: Finding a God-Centered Life - Hearing God
Lecture given Tuesday, February 19, 2002, 2:00 PM at Abilene Christian University: "The point of spirituality is relationship with God. Knowing God relationally requires that we listen for His word and live within it. Join us as we search together for a God-oriented life."
Date:
February 19, 2002
Creator:
Ganus, Debbie
Object Type:
Sound
System:
The Portal to Texas History
The Alternative Minimum Tax for Individuals
This report provides a brief overview of the alternative minimum tax (AMT) for individuals, discusses the issues associated with the current system, and describes current legislation to amend the AMT. The report will be updated as legislative action warrants.
Date:
April 19, 2002
Creator:
Esenwein, Gregg A.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 103, No. 303, Ed. 1 Tuesday, February 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 4, Ed. 1 Tuesday, March 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 30, Ed. 1 Friday, April 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 54, Ed. 1 Sunday, May 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 81, Ed. 1 Wednesday, June 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 107, Ed. 1 Friday, July 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 133, Ed. 1 Monday, August 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 157, Ed. 1 Thursday, September 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 209, Ed. 1 Tuesday, November 19, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 19, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History