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FY11 annual Report: PHEV Engine Control and Energy Management Strategy

Description: Objectives are to: (1) Investigate novel engine control strategies targeted at rapid engine/catalyst warming for the purpose of mitigating tailpipe emissions from plug-in hybrid electric vehicles (PHEV) exposed to multiple engine cold start events; and (2) Validate and optimize hybrid supervisory control techniques developed during previous and on-going research projects by integrating them into the vehicle level control system and complementing them with the modified engine control strategies in order to further reduce emissions during both cold start and engine re-starts. Approach used are: (1) Perform a literature search of engine control strategies used in conventional powertrains to reduce cold start emissions; (2) Develop an open source engine controller providing full access to engine control strategies in order to implement new engine/catalyst warm-up behaviors; (3) Modify engine cold start control algorithms and characterize impact on cold start behavior; and (4) Develop an experimental Engine-In-the-Loop test stand in order to validate control methodologies and verify transient thermal behavior and emissions of the real engine when combined with a virtual hybrid powertrain. Some major accomplishments are: (1) Commissioned a prototype engine controller on a GM Ecotec 2.4l direct injected gasoline engine on an engine test cell at the University of Tennessee. (2) Obtained from Bosch (with GM's approval) an open calibration engine controller for a GM Ecotec LNF 2.0l Gasoline Turbocharged Direct Injection engine. Bosch will support the bypass of cold start strategies if calibration access proves insufficient. The LNF engine and its open controller were commissioned on an engine test cell at ORNL. (3) Completed a literature search to identify key engine cold start control parameters and characterized their impact on the real engine using the Bosch engine controller to calibrate them. (4) Ported virtual hybrid vehicle model from offline simulation environment to real-time Hardware-In-the-Loop platform.
Date: October 1, 2011
Creator: Chambon, Paul H.
Partner: UNT Libraries Government Documents Department

FY2011 Annual Report for the Actinide Isomer Detection Project

Description: This project seeks to identify a new signature for actinide element detection in active interrogation. This technique works by exciting and identifying long-lived nuclear excited states (isomers) in the actinide isotopes and/or primary fission products. Observation of isomers in the fission products will provide a signature for fissile material. For the actinide isomers, the decay time and energy of the isomeric state is unique to a particular isotope, providing an unambiguous signature for SNM. This project entails isomer identification and characterization and neutron population studies. This document summarizes activities from its third year - completion of the isomer identification characterization experiments and initialization of the neutron population experiments. The population and decay of the isomeric state in 235U remain elusive, although a number of candidate gamma rays have been identified. In the course of the experiments, a number of fission fragment isomers were populated and measured [Ressler 2010]. The decays from these isomers may also provide a suitable signature for the presence of fissile material. Several measurements were conducted throughout this project. This report focuses on the results of an experiment conducted collaboratively by PNNL, LLNL and LBNL in December 2010 at LBNL. The measurement involved measuring the gamma-rays emitted from an HEU target when bombarded with 11 MeV neutrons. This report discussed the analysis and resulting conclusions from those measurements. There was one strong candidate, at 1204 keV, of an isomeric signature of 235U. The half-life of the state is estimated to be 9.3 {mu}s. The measured time dependence fits the decay time structure very well. Other possible explanations for the 1204-keV state were investigated, but they could not explain the gamma ray. Unfortunately, the relatively limited statistics of the measurement limit, and the lack of understanding of some of the systematic of the experiment, limit the authors to ...
Date: October 1, 2011
Creator: Warren, Glen A.; Francy, Christopher J.; Ressler, Jennifer J.; Erikson, Luke E.; Tatishvili, Gocha & Hatarik, R.
Partner: UNT Libraries Government Documents Department

Particle Physics at the University of Pittsburgh Summary Report for Proposal Period FY'09-11

Description: Presented is the final summary report for grant DOE-FG02-91ER40646. The HEP group at the University consists of three tasks: B,D and L. Task B supports Pitt's CDF group at the energy frontier which includes Joe Boudreau and Paul Shepard. Work of the group includes Hao Song's thesis on the measurement of the B_c lifetime using exclusive J/psi+pion decays, and an update of the previous B_c semi-leptonic analyses under the supervision of Paul Shepard. Task D supports Pitt's neutrino group at the intensity frontier which includes PIs Dytman, Naples and Paolone. The group also includes postdoctoral research associate Danko, and thesis students Isvan (MINOS), Eberly (Minerva ), Ren (Minerva )and Hansen (T2K). This report summarizes their progress on ongoing experiments which are designed to make significant contributions to a detailed understanding of the neutrino mixing matrix. Task L supports Pitt's ATLAS group at the energy frontier and includes investigators Vladimir Savinov, James Mueller and Joe Boudreau. This group contributed both to hardware (calorimeter electronics, Savinov) and to software (Simulation, Detector Description, and Visualization: Boudreau and Mueller; MC generators: Savinov) and a summary of their progress is presented.
Date: October 1, 2012
Creator: Boudreau, Joe; Dytman, Steven; Mueller, James; Naples, Donna; Paolone, Vittorio & Savinov, Vladimir
Partner: UNT Libraries Government Documents Department

U.S. Postal Service Workforce Size and Employment Categories, FY1995-FY2014

Description: This report provides data from the past 20 years on the size and composition of the U.S. Postal Service's (USPS's) workforce. Reforms to the size and composition of the workforce have been an integral part of USPS's strategy to reduce costs and regain financial solvency, particularly between FY2007 and FY2014.
Date: October 21, 2015
Creator: Francis, Kathryn A.
Partner: UNT Libraries Government Documents Department

Navy LPD-17 Amphibious Ship Procurement: Background, Issues, and Options for Congress

Description: This report discusses the Navy's FY2010 shipbuilding plan that calls for procuring an 11th San Antonio (LPD-17) class amphibious ship in FY2011. This report discusses the procurement cost estimates of this ship, as well as related issues for Congress.
Date: October 21, 2009
Creator: O'Rourke, Ronald
Partner: UNT Libraries Government Documents Department

University of North Texas Requests for Legislative Appropriations For Fiscal Years 2010 and 2011

Description: Report submitted by the University of North Texas to the Texas 81st regular legislature requesting appropriations to fund university programming and activities. It includes an overview of the university's goals, summaries of appropriations requests for fiscal years 2010 and 2011, and supporting documentation.
Date: October 15, 2008
Creator: University of North Texas
Partner: UNT Libraries Special Collections

Federal Research and Development Funding: FY2011

Description: This report summarizes the FY2011 budget request for research & development (R&D) funding, including comparisons to R&D funding requests in the FY2010 budget. Congress will play a central role in defining the nation's R&D priorities, especially with respect to two overarching issues: the extent to which the Federal R&D investment can grow in the context of increased pressure on discretionary spending and how available funding will be prioritized and allocated. This report breaks down in detail the various aspects of the President's FY2011 R&D funding request.
Date: October 4, 2010
Creator: Sargent, John F., Jr.
Partner: UNT Libraries Government Documents Department