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Advanced Distillation Final Report
The Advanced Distillation project was concluded on December 31, 2009. This U.S. Department of Energy (DOE) funded project was completed successfully and within budget during a timeline approved by DOE project managers, which included a one year extension to the initial ending date. The subject technology, Microchannel Process Technology (MPT) distillation, was expected to provide both capital and operating cost savings compared to conventional distillation technology. With efforts from Velocys and its project partners, MPT distillation was successfully demonstrated at a laboratory scale and its energy savings potential was calculated. While many objectives established at the beginning of the project were met, the project was only partially successful. At the conclusion, it appears that MPT distillation is not a good fit for the targeted separation of ethane and ethylene in large-scale ethylene production facilities, as greater advantages were seen for smaller scale distillations. Early in the project, work involved flowsheet analyses to discern the economic viability of ethane-ethylene MPT distillation and develop strategies for maximizing its impact on the economics of the process. This study confirmed that through modification to standard operating processes, MPT can enable net energy savings in excess of 20%. This advantage was used by ABB Lumus …
Date:
March 24, 2010
Creator:
Fanelli, Maddalena; Arora, Ravi; Tonkovich, Annalee; Marco, Jennifer & Rode, Ed
Object Type:
Report
System:
The UNT Digital Library
Advances in Modeling Exploding Bridgewire Initiation
There is great interest in applying magnetohydrodynamic (MHD) simulation techniques to the designs of electrical high explosive (HE) initiators, for the purpose of better understanding a design's sensitivities, optimizing its performance, and/or predicting its useful lifetime. Two MHD-capable LLNL codes, CALE and ALE3D, are being used to simulate the process of ohmic heating, vaporization, and plasma formation in exploding bridgewires (EBW). Initiation of the HE is simulated using Ignition & Growth reactive flow models. 1-D, 2-D and 3-D models have been constructed and studied. The models provide some intuitive explanation of the initiation process and are useful for evaluating the potential impact of identified aging mechanisms (such as the growth of intermetallic compounds or powder sintering). The end product of this work is a simulation capability for evaluating margin in proposed, modified or aged initiation system designs.
Date:
March 10, 2010
Creator:
Hrousis, C A & Christensen, J S
Object Type:
Article
System:
The UNT Digital Library
Aerosol indirect effects ? general circulation model intercomparison and evaluation with satellite data
Aerosol indirect effects continue to constitute one of the most important uncertainties for anthropogenic climate perturbations. Within the international AEROCOM initiative, the representation of aerosol-cloud-radiation interactions in ten different general circulation models (GCMs) is evaluated using three satellite datasets. The focus is on stratiform liquid water clouds since most GCMs do not include ice nucleation effects, and none of the model explicitly parameterises aerosol effects on convective clouds. We compute statistical relationships between aerosol optical depth ({tau}{sub a}) and various cloud and radiation quantities in a manner that is consistent between the models and the satellite data. It is found that the model-simulated influence of aerosols on cloud droplet number concentration (N{sub d}) compares relatively well to the satellite data at least over the ocean. The relationship between {tau}{sub a} and liquid water path is simulated much too strongly by the models. This suggests that the implementation of the second aerosol indirect effect mainly in terms of an autoconversion parameterisation has to be revisited in the GCMs. A positive relationship between total cloud fraction (f{sub cld}) and {tau}{sub a} as found in the satellite data is simulated by the majority of the models, albeit less strongly than that in the …
Date:
March 12, 2010
Creator:
Quaas, Johannes; Ming, Yi; Menon, Surabi; Takemura, Toshihiko; Wang, Minghuai; Penner, Joyce E. et al.
Object Type:
Article
System:
The UNT Digital Library
Aerosol observing system platform integration and AAF instrumentation
As part of the federal government’s 2009 American Recovery and Reinvestment Act (ARRA), the U.S. DOE Office of Science allocated funds for the capital upgrade of the Atmospheric Radiation Measurement (ARM) Climate Research Facility to improve and expand observational capabilities related to cloud and aerosol properties. The ARM Facility was established as a national user facility for the global scientific community to conduct a wide range of interdisciplinary science. Part of the ARRA-funded expansion of the ARM Facility includes four new Aerosol Observing Systems (AOS) to be designed, instrumented, and mentored by BNL. The enclosures will be customized SeaTainers. These new platforms ([AMF2]: ARM Mobile Facility-2; [TWP-D]: Tropical Western Pacific at Darwin; and [MAOS-A]/[MAOS-C]: Mobile Aerosol Observing System-Aerosol/-Chemistry) will provide a laboratory environment for fielding instruments to collect data on aerosol life cycle, microphysics, and optical/physical properties. The extensive instrument suite includes both established methods and initial deployments of new techniques to add breadth and depth to the AOS data sets. The platforms are designed: (1) to have all instruments pre-installed before deployment, allowing a higher measurement duty cycle; (2) with a standardized configuration improving the robustness of data inter-comparability; (3) to provide remote access capability for instrument mentors; and …
Date:
March 15, 2010
Creator:
Springston, S. & Sedlacek, A.
Object Type:
Article
System:
The UNT Digital Library
Affordable Health Care for America
A paper discussing the Patient Protection and Affordable Care Act.
Date:
March 18, 2010
Creator:
United States. House Committees on Ways and Means.
Object Type:
Report
System:
The UNT Digital Library
Afghanistan Casualties: Military Forces and Civilians
This report collects statistics from a variety of sources on casualties sustained during Operation Enduring Freedom (OEF), which began on October 7, 2001. OEF actions took place primarily in Afghanistan; however, OEF casualties also includes American casualties in Pakistan, Uzbekistan, Guantanamo Bay (Cuba), Djibouti, Eritrea, Ethiopia, Jordan, Kenya, Kyrgyzstan, the Philippines, Seychelles, Sudan, Tajikistan, Turkey, and Yemen.
Date:
March 8, 2010
Creator:
Chesser, Susan G.
Object Type:
Report
System:
The UNT Digital Library
Afghanistan Casualties: Military Forces and Civilians
This report collects statistics from a variety of sources on casualties sustained during Operation Enduring Freedom (OEF), which began on October 7, 2001. OEF actions took place primarily in Afghanistan; however, OEF casualties also includes American casualties in Pakistan, Uzbekistan, Guantanamo Bay (Cuba), Djibouti, Eritrea, Ethiopia, Jordan, Kenya, Kyrgyzstan, the Philippines, Seychelles, Sudan, Tajikistan, Turkey, and Yemen.
Date:
March 25, 2010
Creator:
Chesser, Susan G.
Object Type:
Report
System:
The UNT Digital Library
Afghanistan Drug Control: Strategy Evolving and Progress Reported, but Interim Performance Targets and Evaluation of Justice Reform Efforts Needed
A letter report issued by the Government Accountability Office with an abstract that begins "The illicit drug trade remains a challenge to the overall U.S. counterinsurgency campaign in Afghanistan. Afghanistan produces over 90 percent of the world's opium, which competes with the country's licit agriculture industry, provides funds to insurgents, and fuels corruption in Afghanistan. Since 2005, the United States has allotted over $2 billion to stem the production, consumption, and trafficking of illicit drugs while building the Afghan government's capacity to conduct counternarcotics activities on its own. In this report, GAO (1) examines how the U.S. counternarcotics strategy in Afghanistan has changed; (2) assesses progress made and challenges faced within the elimination/eradication, interdiction, justice reform, public information, and drug demand reduction program areas; and (3) assesses U.S. agencies' monitoring and evaluation efforts. To address these objectives, GAO obtained pertinent program documents and interviewed relevant U.S. and Afghan officials. GAO has prepared this report under the Comptroller General's authority to conduct evaluations on his own initiative."
Date:
March 9, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai to address corruption within the Afghan government.
Date:
March 8, 2010
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Post-Taliban Governance, Security, and U.S. Policy
This report discusses the current political state of Iran, focusing particularly on the influence of the Taliban and other militant groups and on the leadership of Afghan President Hamid Karzai. This report also discusses the U.S.-Iran relationship and U.S. efforts under the Obama Administration to provide military, reconstructive, and stabilization aid.
Date:
March 25, 2010
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Post-Taliban Governance, Security, and U.S. Policy
This report discusses the current political state of Iran, focusing particularly on the influence of the Taliban and other militant groups and on the leadership of Afghan President Hamid Karzai. This report also discusses the U.S.-Iran relationship and U.S. efforts under the Obama Administration to provide military, reconstructive, and stabilization aid.
Date:
March 1, 2010
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: U.S. Foreign Assistance
The U.S. program of assistance to Afghanistan is intended to stabilize and strengthen the Afghan economic, social, political, and security environment so as to blunt popular support for extremist forces in the region. Since 2001, nearly $47 billion has been appropriated toward this effort. This report provides a "big picture" overview of the U.S. aid program and congressional action. It describes what various aid agencies report they are doing in Afghanistan. It does not address the effectiveness of their programs.
Date:
March 5, 2010
Creator:
Tarnoff, Curt
Object Type:
Report
System:
The UNT Digital Library
Africa: U.S. Foreign Assistance Issues
The United States provides assistance to 47 African countries, and the United States Agency for International Development (USAID) has 23 missions in Africa. In recent years, U.S. assistance to Africa saw a major increase, especially in health-related programs. This report provides an overview of U.S. aid to Africa, including the strategic objectives that shape U.S. aid to Africa, information about specific aid programs and initiatives, and the Obama Administration's FY2011 foreign aid budget request.
Date:
March 3, 2010
Creator:
Dagne, Ted
Object Type:
Report
System:
The UNT Digital Library
The Age, Volume 32, Number 3, March 2010
Monthly publication containing information related to Chambers County, Texas, including current events of the Chambers County Historical Commission, the Wallisville Heritage Park, and the Chambers County historical and genealogical societies; reprinted newspaper articles about county events and citizens; and historical news and records.
Date:
March 2010
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
AGR-1 Data Qualification Report
ABSTRACT Projects for the very high temperature reactor (VHTR) Technology Development Office (TDO) program provide data in support of Nuclear Regulatory Commission licensing of the VHTR. Fuel and materials to be used in the reactor are tested and characterized to quantify performance in high temperature and high fluence environments. The VHTR program has established the NGNP Data Management and Analysis System (NDMAS) to ensure that VHTR data are (1) qualified for use, (2) stored in a readily accessible electronic form, and (3) analyzed to extract useful results. This document focuses on the first NDMAS objective. It describes the data streams associated with the first Advanced Gas Reactor experiment (AGR-1), the processing of these data within NDMAS, and reports the qualification status of the data. Data qualification activities within NDMAS for specific types of data are determined by the data qualification category assigned by the data generator. They include: (1) capture testing, to confirm that the data stored within NDMAS are identical to the raw data supplied, (2) accuracy testing, to confirm that the data are an accurate representation of the system or object being measured, and (3) documentation that the data were collected under an NQA-1 or equivalent quality assurance …
Date:
March 1, 2010
Creator:
Abbott, Michael
Object Type:
Report
System:
The UNT Digital Library
Agricultural Conservation: A Guide to Programs
This report provides a listing of federal agricultural conservation assistance programs. Each listing includes a brief description of the program, information on major amendments in the Agricultural Act of 2014 (P.L. 113-79, 2014 farm bill), national scope and availability, states with the greatest participation, the backlog of applications or other measures of continuing interest, program funding authority, FY2018 funding, FY2019 Administration budget request, statutory authority, the authorization expiration date, and a link to the program's website.
Date:
March 25, 2010
Creator:
Stubbs, Megan
Object Type:
Report
System:
The UNT Digital Library
Agricultural Disaster Assistance
This report discusses several programs offered by the U.S. Department of Agriculture (USDA) to help farmers recover financially from natural disasters, including drought and floods. All the programs have permanent authorization, and only one requires a federal disaster designation (the emergency loan program). Most programs receive funding amounts that are "such sums as necessary" and are not subject to annual discretionary appropriations.
Date:
March 3, 2010
Creator:
Shields, Dennis A. & Chite, Ralph M.
Object Type:
Report
System:
The UNT Digital Library
Air Force KC-X Tanker Aircraft Program: Background and Issues for Congress
This report discusses issues for Congress in FY2011, which are whether to approve, reject, or modify DOD's new KC-X competition strategy, and whether to approve, reject, or modify the Air Force's request for FY2011 research and development funding for the new KC-X program.
Date:
March 12, 2010
Creator:
Gertler, Jeremiah
Object Type:
Report
System:
The UNT Digital Library
[Aisle in Courtroom]
Photograph of an aisle in a courtroom in the Gonzales County courthouse in Gonzales, Texas. Benches, a railing, tables, and chairs are visible in the room.
Date:
March 10, 2010
Creator:
Bell, Jim
Object Type:
Photograph
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 134, No. 41, Ed. 1 Thursday, March 4, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
March 4, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 134, No. 42, Ed. 1 Thursday, March 11, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
March 11, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 134, No. 43, Ed. 1 Thursday, March 18, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
March 18, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 134, No. 44, Ed. 1 Thursday, March 25, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
March 25, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 61, Ed. 1 Tuesday, March 2, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 2, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History