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Computation of self-consistent 2-D MHD with neutral-beam and bootstrap currents in elongated plasmas
The observation of substantial current drive from neutral beam injection (NBI) in TFTR, JET and DIII-D has led to renewed interest in a steady state, non-inductively driven tokamak. The discovery of apparently considerable neoclassical (bootstrap) current in TFTR, makes a steady state device even more attractive since the bootstrap portion of the current could be obtained without additional power input. Motivated by these results, we have developed a code, ACCOME, which self-consistently computes the 2-D MHD equilibrium with the current driven by neutral beams, bootstrap and the electric field. In this paper we first describe some details of the code in the next section and in the subsequent section show some applications to DIII-D and to a possible ITER design.
Date:
April 5, 1983
Creator:
Devoto, R. S.; Tani, K. & Azumi, M.
Object Type:
Article
System:
The UNT Digital Library
Literature review of the saturation state of seawater with respect to calcium carbonate and its possible significance for scale formation on OTEC heat exchangers
An investigation of available data on the saturation state of seawater with respect to calcium carbonate and its possible significance for scale formation on Ocean Thermal Energy Conversion (OTEC) heat exchangers has been carried out. Pertinent oceanographic data is lacking at or near potential OTEC sites for the calculation of the degree of saturation of seawater with respect to calcium carbonate. Consequently, only ''extrapolated'' saturation values can be used. These indicate that near surface seawater is probably supersaturated, with respect to the calcium carbonate phases calcite and aragonite, at all potential OTEC sites. The deep seawater that would be brought to the surface at the potential Atlantic Ocean sites is also likely to be supersaturated with respect to calcium carbonate. The deep seawater at the potential Pacific Ocean sites may be slightly undersaturated. The fact that OTEC heat exchangers will be operating in seawater, which is supersaturated with respect to calcium carbonate, means that if nucleation of calcite or aragonite occurs on the heat exchanger surfaces, significant growth rates of calcium carbonate scale may be expected. The potential for calcium carbonate nucleation is highest at cathodic metal surface locations, which are produced as the result of aluminum corrosion in seawater. …
Date:
April 5, 1978
Creator:
Morse, J. W.; de Kanel, J. & Craig, Jr., H. L.
Object Type:
Report
System:
The UNT Digital Library
Powerplant Productivity. Improvement Study: current practices in Illinois utilities towards powerplant productivity. Final report, Project 1, Task 1
Efforts of this task indicate that powerplant productivity is a complex issue that has to take into account economic factors, equipment limitations, and system-loading characteristics as well as external constraints such as regulatory requirements. Among the specific findings are: (1) utilities in Illinois use the industry-wide measures of performance such as capacity factor, availability factor, forced outage rates etc.; equivalent availability as a measure is not in common practice; (2) several unit performance statistics are collected on a routine basis such as the daily unit status, component outage data, monthly production figures etc.; (3) identifying major causes of lost productivity appears to be a relatively simple task, but finding economically and technically acceptable corrective actions are generally more difficult; (4) selection of improvement projects, as well as evaluating their future impacts, is mostly based on operating experience and engineering judgement, with no use of formal analytical/statistical models; (5) there generally is a group in every utility - typically called the power production department - with routine responsibilities for upkeep of unit productivity; and (6) recently the Commonwealth Edison Co. has developed a procedure for utilizing the Edison Electric Institute outage data base for analyzing productivity-related questions at nuclear plants; this …
Date:
April 5, 1979
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Critical Infrastructure Protection: DHS Efforts to Assess Chemical Security Risk and Gather Feedback on Facility Outreach Can Be Strengthened
A letter report issued by the Government Accountability Office with an abstract that begins "Since 2007, the Department of Homeland Security's (DHS) Infrastructure Security Compliance Division (ISCD) has assigned about 3,500 high-risk chemical facilities to risk-based tiers under its Chemical Facility Anti-Terrorism Standards (CFATS) program, but it has not fully assessed its approach for doing so. The approach ISCD used to assess risk and make decisions to place facilities in final tiers does not consider all of the elements of consequence, threat, and vulnerability associated with a terrorist attack involving certain chemicals. For example, the risk assessment approach is based primarily on consequences arising from human casualties, but does not consider economic consequences, as called for by the National Infrastructure Protection Plan (NIPP) and the CFATS regulation, nor does it consider vulnerability, consistent with the NIPP. ISCD has begun to take some actions to examine how its risk assessment approach can be enhanced, including commissioning a panel of experts to assess the current approach, identify strengths and weaknesses, and recommend improvements. ISCD will need to incorporate the various results of these efforts to help them ensure that the revised risk assessment approach includes all elements of risk. After ISCD has …
Date:
April 5, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Management: Need to Fully Recognize Ammunition Demilitarization Liability
Correspondence issued by the General Accounting Office with an abstract that begins "Last year, GAO reported that the demilitarization liability for excess ammunition was not reflected in the Department of Defense's (DOD) financial statements although required by federal financial accounting standards. The Army, as the single manager for conventional ammunition, calculated a liability of $1.2 billion and prepared a voucher recognizing this amount. Although consistent with GAO's recommendation that DOD include the total liability for demilitarizing excess ammunition in its annual financial statements, this amount does not reflect the full extent of future costs. Specifically, the Army does not recognize a liability for costs associated with the demilitarization of (1) excess ammunition overseas or (2) excess Army-owned war reserve ammunition, excess retail ammunition, and excess ammunition not stored at an Army installation. GAO found that the total liability that should be reflected in fiscal year 2002 financial statements could amount to $3 billion, or $1.8 billion more than the Army's calculation. The Army needs to submit an additional voucher and include in its and DOD's fiscal year 2002 consolidated balance sheets the future liability associated with the demilitarization of excess Army ammunition at overseas and military storage locations."
Date:
April 5, 2002
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
South Florida Ecosystem Restoration: A Land Acquisition Plan Would Help Identify Lands That Need to Be Acquired
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the importance of land acquisition to the success of the South Florida Ecosystem Restoration Initiative, focusing on: (1) what the South Florida Ecosystem Restoration Task Force did to identify and acquire lands needed to accomplish the goals of the initiative from 1996 through 1999; and (2) what the Department of the Interior did to help ensure that it maximized the acreage purchased--that is, bought as much land as possible, with $200 million in Farm Bill grants."
Date:
April 5, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Financial Management: Challenges Continue in Meeting Requirements of the Improper Payments Information Act
Testimony issued by the Government Accountability Office with an abstract that begins "Improper payments are a long-standing, widespread, and significant problem in the federal government. The Congress enacted the Improper Payments Information Act of 2002 (IPIA) to address this issue. Fiscal year 2005 marked the second year that agencies were required to report improper payment information under IPIA. One result of IPIA has been increased visibility over improper payments by requiring executive branch agencies to identify programs and activities susceptible to significant improper payments, estimate the amount of their improper payments, and report on the amounts of improper payments and their actions to reduce them in their annual performance and accountability reports (PAR). Because of continued interest in addressing the governmentwide improper payments issue, GAO was asked to report on the progress made by agencies in complying with requirements of IPIA and the status of efforts to identify, reduce, and eliminate improper payments. As part of the review, GAO looked at (1) the extent to which agencies have performed risk assessments, (2) the annual amount of improper payments estimated, and (3) the amount of improper payments recouped through recovery audits."
Date:
April 5, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the American National Theatre and Academy for Fiscal Years 2004 and 2003
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the American National Theatre and Academy for fiscal years 2004 and 2003. GAO found no reportable instances of noncompliance. The audit reports included the auditors' opinions that the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the National Fund for Medical Education for Fiscal Year 2004
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the National Fund for Medical Education for fiscal year 2004. GAO found no reportable instances of noncompliance. The audit reports included the auditors' opinions that the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Medicaid and CHIP: Reports for Monitoring Children's Health Care Services Need Improvement
Correspondence issued by the Government Accountability Office with an abstract that begins "Medicaid and the Children's Health Insurance Program (CHIP)--two joint federal-state health care programs for low-income families and children--play a critical role in addressing the health care needs of children. In 2008, more than 36 million children in the United States received health care coverage through Medicaid or CHIP. Like all children, children covered by Medicaid and CHIP may have health care conditions that could warrant care from primary care or specialist providers. At the same time, a significant number of children in Medicaid and CHIP may not be receiving basic preventive care, which these programs generally cover. For example, we reported in 2009 that, on the basis of parents' reports in national surveys, about 40 percent of children in Medicaid and CHIP had not had a well-child checkup over a 2-year period. Many state Medicaid and CHIP programs and other health care purchasers have started initiatives to improve care coordination for children and provide children with access to networks of care. For the purposes of this report, care coordination is broadly defined as a process in which an individual or group helps to arrange a patient's primary and …
Date:
April 5, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the Little League Baseball, Inc., for Fiscal Years 2005 and 2004
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of Little League Baseball, Inc., for fiscal years 2005 and 2004. GAO found no reportable instances of noncompliance. The audit reports included the auditor's opinions that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
National Park Service: Major Operations Funding Trends and How Selected Park Units Responded to Those Trends for Fiscal Years 2001 through 2005
A statement of record issued by the Government Accountability Office with an abstract that begins "In recent years, some reports prepared by advocacy groups have raised issues concerning the adequacy of the Park Service's financial resources needed to effectively operate the park units. This statement addresses (1) funding trends for park service operations and visitor fees for fiscal years 2001-2005; (2) specific funding trends for 12 selected high-visitation park units and how, if at all, the funding trends have affected operations; and (3) recent management initiatives the Park Service has undertaken to address fiscal performance and accountability of park units. This statement is based on GAO's March 2006 report, National Park Service: Major Operations Funding Trends and How Selected Park Units Responded to Those Trends for Fiscal Years 2001 through 2005, GAO-06-431 (Washington, D.C.: March 31, 2006)."
Date:
April 5, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the American GI Forum of the United States for Fiscal Year 2005
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the American GI Forum of the United States for fiscal year 2005. GAO found that the American GI Forum of the United States did not obtain an audit of its financial statements for fiscal year 2005 by an independent public accountant, and therefore did not comply with the statutory requirement for such an audit. Instead, corporation officials informed us that they had the statements reviewed. Further, they informed us they plan to obtain a financial audit of the corporation's financial statements in the future."
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Contract Management: DOD Needs Measures for Small Business Subcontracting Program and Better Data on Foreign Subcontracts
A letter report issued by the General Accounting Office with an abstract that begins "More small businesses are turning to subcontracting as a way to participate in the federal government's $250 billion procurement program. DOD, accounting for about two-thirds of federal procurements, has a critical role in providing opportunities to small businesses through subcontracting programs such as the Test Program for Negotiation of Comprehensive Small Business Subcontracting Plans (Test Program). In addition, Congress raised concerns about the potential for small businesses to lose opportunities to firms performing work outside of the United States. GAO was asked to review (1) DOD's assessment of the Test Program's effectiveness, (2) the performance of contractors participating in the Test Program, (3) the Defense Contract Management Agency's (DCMA) oversight of contractors' small business subcontracting efforts, and (4) the extent and reasons contractors are subcontracting with businesses performing outside the U.S."
Date:
April 5, 2004
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
DHS Multi-Agency Operation Centers Would Benefit from Taking Further Steps to Enhance Collaboration and Coordination
Correspondence issued by the Government Accountability Office with an abstract that begins "This letter addresses the conference report to H.R. 5441 and Senate Report 109-273, which directs GAO to (1) analyze the role of the Department of Homeland Security (DHS) National Operations Center and DHS component operations centers and (2) make recommendations regarding the operation and coordination of these centers. On March 1 and 13, 2007, we met with House and Senate Committee staff, respectively, to brief them on completed and ongoing GAO work that addresses these issues. Both House and Senate staff agreed that this information addresses the appropriations mandates and their related concerns regarding DHS's operations centers. We primarily relied on a prior GAO report on DHS multi-agency operations centers to satisfy these mandates. In our completed review, we specifically examined (1) the missions, products, functions, and customers of the multi-agency DHS operations centers that operate 24 hours a day, 7 days a week, and 365 days a year (24/7/365), and (2) DHS's implementation of key practices for enhancing and sustaining collaboration at these multi-agency centers. We also have work underway that includes an assessment of DHS's plans for consolidating its real property holdings in the National Capital …
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Disability Programs: SSA Has Taken Steps to Address Conflicting Court Decisions, but Needs to Manage Data Better on the Increasing Number of Court Remands
A letter report issued by the Government Accountability Office with an abstract that begins "The Social Security Administration's (SSA) Disability Insurance and Supplemental Security Income programs provided around $128 billion to about 12.8 million persons with disabilities and their families in fiscal year 2005. Claimants who are denied benefits by SSA may appeal to federal courts. Through current initiatives, SSA is attempting to reduce the number of cases appealed to courts and remanded back to SSA for further review. In addition, there have been long-standing concerns about how SSA responds to court decisions that conflict with its policies. GAO was asked to examine: (1) trends over the past decade in the number of appeals reviewed by the courts and their decisions, (2) reasons for court remands and factors contributing to them, and (3) SSA's process for responding to court decisions that conflict with agency policy. GAO reviewed SSA data and documents on court decisions, remands and SSA's processes and interviewed agency officials and stakeholders on data trends, reasons for remands, and SSA processes."
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
GAO Review of the Department of Homeland Security's Certification of the Secure Flight Program--Cost and Schedule Estimates
Correspondence issued by the Government Accountability Office with an abstract that begins "The matching of airline passenger information against terrorist watchlist records (watchlist matching) is a frontline defense against acts of terrorism that target the nation's civil aviation system. In general, passengers identified as matches to the No-Fly list are prohibited from boarding commercial flights, while those matched to the Selectee list are required to undergo additional screening. Historically, airline passenger prescreening against watchlist records has been performed by commercial air carriers. As required by the Intelligence Reform and Terrorism Prevention Act of 2004, the Department of Homeland Security's (DHS) Transportation Security Administration (TSA) has developed an advanced passenger prescreening program--known as Secure Flight--to assume from air carriers the function of matching passenger information against terrorist watchlist records. Since fiscal year 2004, TSA has received $358 million in appropriated funds for the development and implementation of Secure Flight, according to program officials. Also, since fiscal year 2004, GAO has been mandated to assess the development and implementation of the Secure Flight program. We have reported on numerous challenges the program has faced, including those related to protecting passenger privacy, completing performance testing, fully defining and testing security requirements, and establishing …
Date:
April 5, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the Jewish War Veterans of the United States of America, Inc., for Fiscal Years 2005 and 2004
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the Jewish War Veterans of the United States of America, Inc., for fiscal years 2005 and 2004. GAO found no reportable instances of noncompliance. The audit reports included the auditors' opinions that, with two exceptions, the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
April 5, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Telecommunications: Weaknesses in Procedures and Performance Management Hinder Junk Fax Enforcement
A letter report issued by the Government Accountability Office with an abstract that begins "The Telephone Consumer Protection Act of 1991 prohibited invasive telemarketing practices, including the faxing of unsolicited advertisements, known as "junk faxes," to individual consumers and businesses. Junk faxes create costs for consumers (paper and toner) and disrupt their fax operations. The Junk Fax Prevention Act of 2005 clarified an established business relationship exemption, specified opt-out procedures for consumers, and requires the Federal Communications Commission (FCC)--the federal agency responsible for junk fax enforcement0--to report annually to Congress on junk fax complaints and enforcement. The law also required GAO to report to Congress on FCC's enforcement of the junk fax laws. This report addresses (1) FCC's junk fax procedures and outcomes, (2) the strengths and weaknesses of FCC's procedures, and (3) FCC's junk fax management challenges."
Date:
April 5, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Infrastructure: The Navy Needs Better Documentation to Support Its Proposed Military Treatment Facilities on Guam
A letter report issued by the Government Accountability Office with an abstract that begins "The Navy determined that its current hospital on Guam does not meet modern facility standards. Moreover, the military population on Guam is expected to grow from 15,000 to over 39,000 due to DOD plans to move Marine Corps units from Okinawa, Japan to Guam and expand other on- island capabilities. The Navy plans to construct a new hospital and two outpatient clinics as part of its facility solution to replace the current hospital and accommodate additional health care requirements. This report (1) describes the Navy's plans for developing its military treatment facility solution to meet the expected increases in the military population on Guam, and (2) examines the extent to which the Navy is assured that its proposed military treatment facility solution on Guam will sufficiently meet the requirements for the expected increase in military population. To address these objectives, GAO reviewed documentation including the Navy's plans for its military treatment facility solution and interviewed key officials within the Military Health System"
Date:
April 5, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Brownfield Redevelopment: Stakeholders Cite Additional Measures That Could Complement EPA's Efforts to Clean Up and Redevelop Properties
Testimony issued by the Government Accountability Office with an abstract that begins "Brownfields are properties whose re-use may be hindered by the threat of contamination. Cleaning up and redeveloping these properties can protect human health and the environment, and provide economic benefits. The Environmental Protection Agency (EPA) provides grants to state and local governments and others for site assessments, job training, revolving loans, cleanups, and for assisting state efforts. This testimony is based on GAO's report, Brownfield Redevelopment: Stakeholders Report That EPA's Program Helps to Redevelop Sites, but Additional Measures Could Complement Agency Efforts (GAO- 05-94, December 2, 2004). GAO (1) obtained stakeholders' views on EPA's contribution to brownfield cleanup and redevelopment, (2) determined the extent to which EPA measures program accomplishments, and (3) obtained views on options to improve or complement EPA's program. Stakeholders GAO surveyed included grant recipients, state program officials, interest groups, real estate developers, and others."
Date:
April 5, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Electronic Government: Challenges to Effective Adoption of the Extensible Markup Language
A chapter report issued by the General Accounting Office with an abstract that begins "Extensive markup language (XML) is a flexible, nonproprietary set of standards designed to facilitate the exchange of information among disparate computer systems using Internet protocols. Although XML's technical standards, such as specifications for tagging, exchanging, and displaying information, have largely been worked out by commercial standards setting organizations and are in use, equally important business standards are not as mature and may complicate near-term implementation. Standards are not yet complete for (1) identifying potential business partners for transactions, (2) exchanging precise technical information about the nature of proposed transactions that partners can agree to, and (3) executing agreed-upon transactions in a formal, legally binding manner. The federal government faces many challenges as it attempts to gain the most from XML's potential. First, no explicit governmentwide strategy for XML adoption has been defined to guide agency implementation efforts and ensure that agency enterprise architectures address XML incorporation. Second, federal agencies have not yet identified and consolidated their needs for effective representation before key standards setting bodies. Third, the government has yet to establish a registry of government-unique XML data structures for systems developers to consult when building …
Date:
April 5, 2002
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Nuclear Regulation: NRC's Oversight of Nuclear Power Reactors' Decommissioning Funds Could Be Further Strengthened
A letter report issued by the Government Accountability Office with an abstract that begins "The Nuclear Regulatory Commission (NRC) periodically reviews licensees decommissioning funds and related licensee data to determine if licensees have provided reasonable assurance that they will accumulate adequate funds for decommissioning. For example, licensees must submit estimates to NRC of decommissioning costs throughout the life of the reactor and submit fund status reports at least every 2 years while the reactor is operating. Licensees typically accumulate such funds over time through trust fund investments. The minimum amount of funds considered adequate is established by NRCs decommissioning funding formula, which is based on information collected more than 30 years ago."
Date:
April 5, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
State and Local Governments' Fiscal Outlook: April 2012 Update
Other written product issued by the Government Accountability Office with an abstract that begins "The state and local government sector continues to face near-term and long-term fiscal challenges that grow over time. The fiscal challenges confronting the state and local sector add to the nations overall fiscal challenges. The fiscal situation of the state and local government sector has improved in the past year as the sectors tax receipts have slowly increased in conjunction with the economic recovery. Nonetheless, total tax receipts have only recently returned to the prerecession levels of 2007 and the sector still faces a gap between revenue and spending. The sector faces long-term fiscal challenges that grow over time. The fiscal position of the sector will steadily decline through 2060 absent any policy changes."
Date:
April 5, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library