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Ocean thermal energy conversion (OTEC) power system development. Preliminary design report, Appendices, Part 1 (Final)
The objective of this project is the development of a preliminary design for a full-sized, closed cycle, ammonia power system module for the 100 MWe OTEC demonstration plant. In turn, this demonstration plant is to demonstrate, by 1984, the operation and performance of an Ocean Thermal Power Plant having sufficiently advanced heat exchanger design to project economic viability for commercial utilization in the late 1980's and beyond. Included in this power system development are the preliminary designs for a proof-of-concept pilot plant and test article heat exchangers which are scaled in such a manner as to support a logically sequential, relatively low-cost development of the full-scale power system module. The conceptual designs are presented for the demonstration plant power module, the proof-of-concept pilot plant, and for a pair of test article heat exchangers. Costs associated with the design, development, fabrication, checkout, delivery, installation, and operation are included. The accompanying design and producibilty studies on the full-scale power system module project the performance/economics for the commercial plant. This section of the report contains appendices on the developed computer models, water system dynamic studies, miscellaneous performance analysis, materials and processes, detailed equipment lists, turbine design studies, tube cleaner design, ammonia leak detection, …
Date:
December 4, 1978
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Constructibility issues associated with a nuclear waste repository in basalt
This report contains the text and slide reproductions of a speech on nuclear waste disposal in basalt. The presentation addresses the layout of repository access shafts and subsurface facilities resulting from the conceptual design of a nuclear repository in basalt. The constructibility issues that must be resolved prior to construction are described. (DMC)
Date:
December 4, 1981
Creator:
Turner, D.A.
Object Type:
Article
System:
The UNT Digital Library
Health and environmental effects document on geothermal energy: 1981
Several of the important health and environmental risks associated with a reference geothermal industry that produces 21,000 MW/sub e/ for 30 y (equivalent to 20 x 10/sup 18/ J) are assessed. The analyses of health effects focus on the risks associated with exposure to hydrogen sulfide, particulate sulfate, benzene, mercury, and radon in air and arsenic in water. Results indicate that emissions of hydrogen sulfide are likely to cause odor-related problems in geothermal resources areas, assuming that no pollution controls are employed. For individuals living within an 80 km radius of the geothermal resources, chronic exposure to particulate sulfate could result in between 0 to 95 premature deaths per 10/sup 18/ J of electricity generated. The mean population risk of leukemia from the inhalation of benzene was calculated to be 3 x 10/sup -2/ cases per 10/sup 18/ J. Exposure to elemental mercury in the atmosphere could produce between 0 and 8.2 cases of tremors per 10/sup 18/ J of electricity. Inhalation of radon and its short-lived daughters poses a mean population risk of 4.2 x 10/sup -1/ lung cancers per 10/sup 18/ J. Analysis of skin cancer risk from the ingestion of surface water contaminated with geothermally derived arsenic …
Date:
December 4, 1981
Creator:
Layton, D. W.; Anspaugh, L. R. & O'Banion, K. D.
Object Type:
Report
System:
The UNT Digital Library
Offsets, Supplemental Appropriations, and the Disaster Relief Fund: FY1990-FY2013
Report that discusses the recent history of offsetting rescissions in paying for supplemental appropriations to the Federal Emergency Management Agency's Disaster Relief Fund (DRF).
Date:
December 4, 2012
Creator:
Painter, William L.
Object Type:
Report
System:
The UNT Digital Library
Alternative Minimum Taxpayers by State: 2009, 2010, and Projections for 2012
Report that breaks down, state-by-state, the percentage of taxpayers subject to Alternative Minimum Tax (AMT), and also maps out these projections for the year 2012.
Date:
December 4, 2012
Creator:
Maguire, Steven
Object Type:
Report
System:
The UNT Digital Library
Iran Sanctions
This report discusses the reasons that Iran is considered a threat to U.S. security, including Iran's nuclear program, involvement with terrorist organizations, and involvement with neighboring countries' local governments. The report also discusses ways which the U.S. hopes to modify Iran's behavior with sanctions, and the effectiveness of these sanctions.
Date:
December 4, 2013
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Information Technology: Demand for the Social Security Administration's Electronic Data Exchanges Is Growing and Presents Future Challenges
A letter report issued by the Government Accountability Office with an abstract that begins "Federal and state agencies, including the Social Security Administration (SSA), routinely share data through electronic exchanges to help increase the efficiency of program operations, reduce program costs, and improve public service. In light of SSA's broad responsibility for carrying out data exchanges, GAO was asked to describe SSA's critical programs that exchange data with other federal and state agencies, as well as the information systems that they rely on; and determine challenges and limitations that SSA may face in effectively using its systems to carry out data exchanges in the future. To accomplish this, GAO reviewed and analyzed relevant agency documentation, held discussions with key agency officials, and reviewed selected exchange programs."
Date:
December 4, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Welfare Reform: DOT Is Making Progress in Implementing the Job Access Program
A letter report issued by the General Accounting Office with an abstract that begins "Welfare recipients who plan to move into the workforce face significant barriers. Three-fourths of welfare recipients live in central cities or rural areas, while two-thirds of new jobs are in the suburbs. Public transportation offers little or no access to many of these jobs. The Job Access and Reverse Commute program authorizes the Department of Transportation (DOT) to provide grants to local agencies, nonprofit groups, transit authorities, and others to improve transportation to employment. This report examines DOT's implementation of the program in fiscal year 2000. GAO found that (1) DOT took steps to improve its process for selecting Job Access proposals for grant awards, (2) almost 90 percent of the fiscal year 1999 Job Access grantees that responded to GAO's survey were satisfied with the goals and intent of the program and, (3) DOT developed an evaluation plan that included specific performance criteria and requested specific information from the grantees for use in evaluating the program."
Date:
December 4, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
U.S. Postal Service: Status, Financial Outlook, and Alternative Approaches to Fund Retiree Health Benefits
A letter report issued by the Government Accountability Office with an abstract that begins "The Postal Service Retiree Health Benefits Fund (PSRHBF) covered about 49 percent of the U.S. Postal Service's (USPS) $94 billion retiree health benefit liability at fiscal year-end 2012. USPS's deteriorating financial outlook, however, will make it difficult to continue the current prefunding schedule in the short term, and possibly to fully fund the remaining $48 billion unfunded liability over the remaining 44 years of the schedule on which the 2006 Postal Accountability and Enhancement Act (PAEA) was based. The liability covers the projected benefits for about 471,000 current postal retirees and a portion of the projected benefits for about 528,000 current employees; it does not cover employees not yet hired. Under PAEA, USPS is responsible for contributing an additional $33.9 billion to the PSRHBF by fiscal year 2017, including the $11.1 billion USPS has defaulted on over the past 2 years. PAEA also requires the Office of Personnel Management (OPM) to calculate the remaining unfunded liability in 2017 and develop an initial 40-year amortization payment schedule. USPS, however, projects further declines in mail volume and revenues that may continue to limit its ability to prefund the …
Date:
December 4, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Border Security: Additional Actions Needed to Strengthen CBP Efforts to Mitigate Risk of Employee Corruption and Misconduct
A letter report issued by the Government Accountability Office with an abstract that begins "U.S. Customs and Border Protection (CBP) data indicate that arrests of CBP employees for corruption-related activities since fiscal years 2005 account for less than 1 percent of CBPs entire workforce per fiscal year. The majority of arrests of CBP employees were related to misconduct. There were 2,170 reported incidents of arrests for acts of misconduct such as domestic violence or driving under the influence from fiscal year 2005 through fiscal year 2012, and a total of 144 current or former CBP employees were arrested or indicted for corruption-related activities, such as the smuggling of aliens and drugs, of whom 125 have been convicted as of October 2012. Further, the majority of allegations against CBP employees since fiscal year 2006 occurred at locations along the southwest border. CBP officials have stated that they are concerned about the negative impact that these cases have on agencywide integrity."
Date:
December 4, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Financial Literacy and Education Commission: Further Progress Needed to Ensure an Effective National Strategy
A letter report issued by the Government Accountability Office with an abstract that begins "The Financial Literacy and Education Improvement Act created, in December 2003, the Financial Literacy and Education Commission. Responding to the act's mandate that GAO assess the Commission's effectiveness, this report reviews its progress in (1) developing a national strategy; (2) developing a Web site and hotline; and (3) coordinating federal efforts and promoting partnerships among the federal, state, local, nonprofit, and private sectors. To address these objectives, GAO analyzed Commission documents, interviewed financial literacy representatives, and benchmarked the national strategy against GAO's criteria for such strategies."
Date:
December 4, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Financial Management Systems: DHS Faces Challenges to Successfully Consolidating Its Existing Disparate Systems
A letter report issued by the Government Accountability Office with an abstract that begins "In June 2007, GAO reported that the Department of Homeland Security (DHS) had made little progress in integrating its existing financial management systems and made six recommendations focused on the need for DHS to define a departmentwide strategy and embrace disciplined processes. In June 2007, DHS announced its new financial management systems strategy, called the Transformation and Systems Consolidation (TASC) program. House Report No. 110-862 directed GAO to determine whether DHS had implemented GAO's prior recommendations. GAO also assessed whether there were additional issues that pose unnecessary risks to the successful implementation of the TASC program. GAO reviewed relevant documentation, such as the January 2009 request for proposal and its attachments, and interviewed key officials to obtain additional information."
Date:
December 4, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
DHS Management and Administration Spending: Reliable Data Could Help DHS Better Estimate Resource Requests
A letter report issued by the Government Accountability Office with an abstract that begins "Officials from all eight Department of Homeland Security (DHS) components in GAO's review define management and administration (M&A) activities--activities that help agencies achieve their mission and program goals--differently, and while component officials said they can identify M&A spending, limitations exist in obtaining spending data from fiscal years 1999 through 2013. Officials from four of the eight components define their M&A activities according to the activities funded through their appropriations accounts and programs, projects, or activities (PPA) that are M&A in nature. For example, officials from the Transportation Security Administration said its M&A activities are those found within three PPAs within its Transportation Security Support appropriations account. The remaining four components each define M&A activities differently, and those definitions are not tied to activities contained in specific appropriations accounts. For example, the Coast Guard's M&A activities are those associated with headquarters and its service centers (e.g., personnel support), according to officials. According to component officials, the eight components GAO reviewed can identify their M&A spending, but currently do not because they are not required to do so by the department. Officials from seven of the eight components …
Date:
December 4, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Management: Opportunities Exist to Improve Information Used in Monitoring Status of Efficiency Initiatives
Correspondence issued by the Government Accountability Office with an abstract that begins "The military departments and SOCOM have taken various steps to track the implementation of their efficiency initiatives. For example, prior to or during fiscal year 2012, they identified necessary programmatic actions to implement initiatives and began to carry out these actions, such as reassigning personnel from organizations being consolidated and terminating weapon system programs. They also set up approaches for senior officials to review progress, including using existing governance structures as a means for officials to review relevant financial and programmatic information, such as expected completion dates for actions related to implementing the initiatives and progress in meeting estimated savings targets. To track savings related to the initiatives, the military departments and SOCOM identified the appropriation accounts and areas within these accounts from which they expected to achieve savings, the specific dollar amounts, and areas where savings were to be reinvested."
Date:
December 4, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Space Acquisitions: Committing Prematurely to the Transformational Satellite Program Elevates Risks for Poor Cost, Schedule, and Performance Outcomes
Correspondence issued by the General Accounting Office with an abstract that begins "In a multibillion-dollar effort, the Department of Defense (DOD) plans to build a space-based communications system that leverages technologies never before used in space. Such a system would enable DOD to transform how information is collected on potential U.S. adversaries and how military forces are warned of hostile action. The backbone of this system will be the Transformational Satellite (TSAT), which is expected to play a pivotal role in connecting communications networks on the ground, in the air, on ships, and in space. TSAT represents a potential leap forward in communications speed, security, and availability. The Air Force, which heads up DOD's space programs, intends for TSAT to be interoperable with similar systems being acquired for the National Aeronautics and Space Administration (NASA) and the intelligence agencies. The initial TSAT program is expected to cost about $12 billion from 2003 to 2015 for development and production. Several billions more are to be spent acquiring and supporting the associated ground infrastructure, including thousands of user terminals. The Air Force intends to start the acquisition program in December 2003 and expects to launch the first TSAT in 2011. To help …
Date:
December 4, 2003
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Presidential Transition: Opportunities and Challenges
A statement of record issued by the General Accounting Office with an abstract that begins "The Presidential Transition Act was intended to simplify the transfer of executive power during presidential transitions. The events that have transpired since this year's Presidential election, however, will severely shorten the time available for the transition. This report focuses on five themes that will help the new administration implement its agenda and address management challenges in the federal government. These five themes include (1) focusing on management issues early, (2) building on progress already made in implementing a management framework, (3) constructing organizational approaches that recognize the reality of changing global and technological dynamics, (4) seizing the opportunity to reassess what government does and how it does it, and (5) making decisions with an eye toward long-term fiscal and policy challenges."
Date:
December 4, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Specialty Care: Heart Attack Survivors Treated by Cardiologists More Likely to Take Recommended Drugs
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the potential differences in treatment patterns for health maintenance organizations (HMO) patients treated by specialists and those treated by generalist physicians, focusing on: (1) the proportion of Medicare heart attack survivors enrolled in HMOs who take cholesterol-lowering drugs, beta-blockers, and aspirin; and (2) whether Medicare heart attack survivors in HMOs regularly treated by a cardiologist are more likely to take cholesterol-lowering drugs, beta-blockers, and aspirin than those who do not have regular cardiology appointments."
Date:
December 4, 1998
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Food Assistance: WIC Faces Challenges in Providing Nutrition Services
A letter report issued by the General Accounting Office with an abstract that begins "The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) serves almost half of all infants and about one-quarter of all children between one and four years of age in the United States. The WIC program faces the following challenges: (1) coordinating its nutrition services with health and welfare programs undergoing considerable change, (2) responding to health and demographic changes in the low-income population, (3) recruiting and keeping a skilled staff, (4) improving the use of information technology to enhance service delivery and program management, (5) assessing the effect of nutrition services, and (6) meeting increased program requirements without a corresponding increase in funding. This report identifies 16 approaches to address these challenges. Each of the approaches has advantages and disadvantages that policymakers should consider."
Date:
December 4, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Ocean Thermal Energy Conversion power system development. Phase I: preliminary design. Final report
This report summarizes the preliminary design for the Ocean Thermal Energy Conversion (OTEC) Demonstration Plant project. The scope of Phase I was the conceptual design of: (1) full sized power system module; (2) scaled (5 MWe nominal) proof of concept power system; and (3) 1 MWe heat exchanger test article. Included were all components and subsystems specifically involved with the generation of power (warm and cold seawater pumps, heat exchangers, turbine/generator, etc.) The scope of Phase I preliminary design is: (1) conceptual design of a commercial size power system between 40 to 50 MWe(net) with costing on prototype, first production, and eighth unit; (2) preliminary design of a 10 MWe net modular application power module with tube material of titanium, and analogous to the commercial size power module. The heat exchangers are to be immersed and costing data should be provided for first unit and eighth unit; and (3) preliminary design of a heat exchanger test article.
Date:
December 4, 1978
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
K-Reactor readiness
This document describes some of the more significant accomplishments in the reactor restart program and details the magnitude and extent of the work completed to bring K-Reactor to a state of restart readiness. The discussion of restart achievements is organized into the three major categories of personnel, programs, and plant. Also presented is information on the scope and extent of internal and external oversight of the efforts, as well as some details on the startup plan.
Date:
December 4, 1991
Creator:
Rice, P.D.
Object Type:
Report
System:
The UNT Digital Library
Power system development: Ocean Thermal Energy Conversion (OTEC). Preliminary design report: appendices, Part 2 (Final)
The objective of this project is the development of a preliminary design for a full-sized, closed cycle, ammonia power system module for the 100 MWe OTEC demonstration plant. In turn, this demonstration plant is to demonstrate, by 1984, the operation and performance of an Ocean Thermal Power Plant having sufficiently advanced heat exchanger design to project economic viability for commercial utilization in the late 1980's and beyond. Included in this power system development are the preliminary designs for a proof-of-concept pilot plant and test article heat exchangers which are scaled in such a manner as to support a logically sequential, relatively low-cost development of the full-scale power system module. The conceptual designs are presented for the demonstration plant power module, the proof-of-concept pilot plant, and for a pair of test article heat exchangers. Costs associated with the design, development, fabrication, checkout, delivery, installation, and operation are included. The accompanying design and producibilty studies on the full-scale power system module project the performance/economics for the commercial plant. This section of the report contains appendices on the electrical system, instrumentation and control, ammonia pump evaluation study, ammonia and nitrogen support subsystems, piping and support design calculations, and plant availability. (WHK)
Date:
December 4, 1978
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Magnetic and inertial fusion status and development plans
Controlled fusion, pursued by investigators in both the magnetic and inertial confinement research programs, continues to be a strong candidate as an intrinsically safe and virtually inexhaustible long-term energy source. We describe the status of magnetic and inertial confinement fusion in terms of the accomplishments made by the research programs for each concept. The improvement in plasma parameters (most frequently discussed in terms of the Tn tau product of ion temperature, T, density, n, and confinement time, tau) can be linked with the construction and operation of experimental facilities. The scientific progress exhibited by larger scale fusion experiments within the US, such as Princeton Plasma Physics Laboratory's Fusion Test Reactor for magnetic studies and Lawrence Livermore National Laboratory's Nova laser for inertial studies, has been optimized by the theoretical advances in plasma and computational physics. Both TFTR and Nova have exhibited ion temperatures in excess of 10 keV at confinement parameters of n tau near 10/sup 13/ cm/sup -3/ . sec. At slightly lower temperatures (near a few keV), the value of n tau has exceeded 10/sup 14/ cm/sup -3/ . sec in both devices. Near-term development plans in fusion research include experiments within the US, Europe, and Japan to …
Date:
December 4, 1987
Creator:
Correll, D. & Storm, E.
Object Type:
Article
System:
The UNT Digital Library
Status of Measurements for Radiation Protection
The Dose Equivalent Index (DEI) has been proposed as a dosimetric standard. We have considered the impact of the change on health physics instrumentation measurements and have evaluated the probable errors of representative instruments for measuring the DEI. Little change is found from earlier slab standards. A more important consideration is the appropriateness of the use of the DEI as a dosimetric standard. The DEI may be satisfactory from a conservative viewpoint, but is not necessarily proportional to the true radiological risks involved. An alternate parameter (such as the 1 cm depth dose equivalent for an isotropically irradiated 30 cm sphere as suggested by Kramer) may be more appropriate.
Date:
December 4, 1981
Creator:
Armantrout, G. A.
Object Type:
Report
System:
The UNT Digital Library
Delta-t protocol specification: working draft
This document is one of a series describing protocols associated with the Livermore Interactive Network Communication System (LINCS) hierarchical architecture. At the heart of LINCS is its basic interprocess communication (LINCS-IPC) service. LINCS-IPC defines a reliable, flow controlled, full duplex, uninterpreted, labeled bit stream communication service. LINCS-IPC is level 4 in the LINCS architecture. Level 3 of LINCS is the Network layer defining an internetwork datagram type service. LINCS-IPC interfaces to User processes that utilize higher level syntactic and semantic conventions for process interaction. The transport service provided by the Delta-t protocol can be considered a sublayer of the LINCS-IPC layer. Delta-t augments the Network level service as required to support LINCS-IPC. This document specifies the services provided by the Delta-t protocol to support LINCS-IPC, the operation of Delta-t, and the services Delta-t requires of the Network level. This document was written to be self-contained but the reader will find it useful to have available for reference the LINCS-IPC and LINCS DeltaGram Network layer protocol specifications. Implementations are underway in Pascal for the PDP-11 running under RT11 and RX11, in BLISS for the VAX running under VMS, in MODEL for the CRAY-1 and CDC 7600 running under NLTSS and LTSS, …
Date:
December 4, 1981
Creator:
Watson, R.W.
Object Type:
Report
System:
The UNT Digital Library