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Hopewell Beneficial CO2 Capture for Production of Fuels, Fertilizer and Energy

Description: For Phase 1 of this project, the Hopewell team developed a detailed design for the Small Scale Pilot-Scale Algal CO2 Sequestration System. This pilot consisted of six (6) x 135 gallon cultivation tanks including systems for CO2 delivery and control, algal cultivation, and algal harvesting. A feed tank supplied Hopewell wastewater to the tanks and a receiver tank collected the effluent from the algal cultivation system. The effect of environmental parameters and nutrient loading on CO2 uptake an… more
Date: September 30, 2010
Creator: UOP LLC
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Solution methods for very highly integrated circuits.

Description: While advances in manufacturing enable the fabrication of integrated circuits containing tens-to-hundreds of millions of devices, the time-sensitive modeling and simulation necessary to design these circuits poses a significant computational challenge. This is especially true for mixed-signal integrated circuits where detailed performance analyses are necessary for the individual analog/digital circuit components as well as the full system. When the integrated circuit has millions of devices, p… more
Date: December 1, 2010
Creator: Nong, Ryan; Thornquist, Heidi K.; Chen, Yao; Mei, Ting; Santarelli, Keith R. & Tuminaro, Raymond Stephen
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sensor Configuration Selection for Discrete-Event Systems under Unreliable Observations

Description: Algorithms for counting the occurrences of special events in the framework of partially-observed discrete event dynamical systems (DEDS) were developed in previous work. Their performances typically become better as the sensors providing the observations become more costly or increase in number. This paper addresses the problem of finding a sensor configuration that achieves an optimal balance between cost and the performance of the special event counting algorithm, while satisfying given obser… more
Date: August 1, 2010
Creator: Lin, Wen-Chiao; Yoo, Tae-Sic & Garcia, Humberto E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Use of Residential Smart Appliances for Peak-Load Shifting and Spinning Reserves-Cost/Benefit Analysis

Description: In this report, we present the results of an analytical cost/benefit study of residential smart appliances from a utility/grid perspective in support of a joint stakeholder petition to the ENERGY STAR program within the Environmental Protection Agency (EPA) and Department of Energy (DOE). The goal of the petition is in part to provide appliance manufacturers incentives to hasten the production of smart appliances. The underlying hypothesis is that smart appliances can play a critical role in ad… more
Date: December 1, 2010
Creator: Sastry, Chellury; Pratt, Robert G.; Srivastava, Viraj & Li, Shun
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Protecting Intelligent Distributed Power Grids against Cyber Attacks

Description: Like other industrial sectors, the electrical power industry is facing challenges involved with the increasing demand for interconnected operations and control. The electrical industry has largely been restructured due to deregulation of the electrical market and the trend of the Smart Grid. This moves new automation systems from being proprietary and closed to the current state of Information Technology (IT) being highly interconnected and open. However, while gaining all of the scale and perf… more
Date: December 31, 2010
Creator: Wei, Dong; Lu, Yan; Jafari, Mohsen; Skare, Paul & Rohde, Kenneth
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Commercial and Industrial Base Intermittent Resource Management Pilot

Description: This scoping study summarizes the challenges with integrating wind and solar generation into the California's electricity grid. These challenges include: Smoothing intra-hour variability; - Absorbing excess renewable energy during over-generation periods; - Addressing morning and evening ramping periods. In addition, there are technical challenges to integrating retail demand response (DR) triggered by the wholesale conditions into the CAISO markets. The study describes the DR programs availabl… more
Date: November 30, 2010
Creator: Kiliccote, Sila; Sporborg, Pamela; Sheik, Imran; Huffaker, Erich & Piette, Mary Ann
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hohlraum Target Alignment from X-ray Detector Images using Starburst Design Patterns

Description: National Ignition Facility (NIF) is a high-energy laser facility comprised of 192 laser beams focused with enough power and precision on a hydrogen-filled spherical, cryogenic target to initiate a fusion reaction. The target container, or hohlraum, must be accurately aligned to an x-ray imaging system to allow careful monitoring of the frozen fuel layer in the target. To achieve alignment, x-ray images are acquired through starburst-shaped windows cut into opposite sides of the hohlraum. When t… more
Date: December 14, 2010
Creator: Leach, R. R.; Conder, A.; Edwards, O.; Kroll, J.; Kozioziemski, B.; Mapoles, E. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Human-system Interfaces for Automatic Systems

Description: Automation is ubiquitous in modern complex systems, and commercial nuclear- power plants are no exception. Automation is applied to a wide range of functions including monitoring and detection, situation assessment, response planning, and response implementation. Automation has become a 'team player' supporting personnel in nearly all aspects of system operation. In light of its increasing use and importance in new- and future-plants, guidance is needed to conduct safety reviews of the operator… more
Date: November 7, 2010
Creator: O'Hara, J. M.; Higgins, James; Fleger, Stephen & Barnes, Valerie
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Applying Human Factors during the SIS Life Cycle

Description: Safety Instrumented Systems (SIS) are widely used in U.S. Department of Energy's (DOE) nonreactor nuclear facilities for safety-critical applications. Although use of the SIS technology and computer-based digital controls, can improve performance and safety, it potentially introduces additional complexities, such as failure modes that are not readily detectable. Either automated actions or manual (operator) actions may be required to complete the safety instrumented function to place the proces… more
Date: May 5, 2010
Creator: Avery, K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

AUTOMATING GROUNDWATER SAMPLING AT HANFORD THE NEXT STEP

Description: Historically, the groundwater monitoring activities at the Department of Energy's Hanford Site in southeastern Washington State have been very "people intensive." Approximately 1500 wells are sampled each year by field personnel or "samplers." These individuals have been issued pre-printed forms showing information about the well(s) for a particular sampling evolution. This information is taken from 2 official electronic databases: the Hanford Well information System (HWIS) and the Hanford Envi… more
Date: January 21, 2010
Creator: CW, CONNELL; SF, CONLEY; RD, HILDEBRAND; DE, CUNNINGHAM; R_D_Doug_Hildebrand@rl.gov & DeVon_E_Cunningham@rl.gov
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Experience Report for WOPR

Description: One of the purposes of the SQA effort at LLNL is to attempt to determine the 'goodness' of the research codes used for various scientific applications. Typically these are two and three dimensional multi-physics simulation and modeling codes. These legacy research codes are used for applciations such as atmospheric dispersion modeling and analysis and prediction of the performance of engineered systems. These codes are continually subjected to automated regression test suites consisting of veri… more
Date: April 6, 2010
Creator: Pope, G
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Human-system Interfaces to Automatic Systems: Review Guidance and Technical Basis

Description: Automation has become ubiquitous in modern complex systems and commercial nuclear power plants are no exception. Beyond the control of plant functions and systems, automation is applied to a wide range of additional functions including monitoring and detection, situation assessment, response planning, response implementation, and interface management. Automation has become a 'team player' supporting plant personnel in nearly all aspects of plant operation. In light of the increasing use and imp… more
Date: January 31, 2010
Creator: Ohara, J. M. & Higgins, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Automation Enhancement of Multilayer Laue Lenses

Description: X-ray optics fabrication at Brookhaven National Laboratory has been facilitated by a new, state of the art magnetron sputtering physical deposition system. With its nine magnetron sputtering cathodes and substrate carrier that moves on a linear rail via a UHV brushless linear servo motor, the system is capable of accurately depositing the many thousands of layers necessary for multilayer Laue lenses. I have engineered a versatile and automated control program from scratch for the base system an… more
Date: December 1, 2010
Creator: R., Lauer K. & R., Conley
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Algorithms to Automate LCLS Undulator Tuning

Description: Automation of the LCLS undulator tuning offers many advantages to the project. Automation can make a substantial reduction in the amount of time the tuning takes. Undulator tuning is fairly complex and automation can make the final tuning less dependent on the skill of the operator. Also, algorithms are fixed and can be scrutinized and reviewed, as opposed to an individual doing the tuning by hand. This note presents algorithms implemented in a computer program written for LCLS undulator tuning… more
Date: December 3, 2010
Creator: Wolf, Zachary
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preliminary performance assessment of biotoxin detection for UWS applications using a MicroChemLab device.

Description: In a multiyear research agreement with Tenix Investments Pty. Ltd., Sandia has been developing field deployable technologies for detection of biotoxins in water supply systems. The unattended water sensor or UWS employs microfluidic chip based gel electrophoresis for monitoring biological analytes in a small integrated sensor platform. This instrument collects, prepares, and analyzes water samples in an automated manner. Sample analysis is done using the {mu}ChemLab{trademark} analysis module. … more
Date: March 1, 2010
Creator: VanderNoot, Victoria A.; Haroldsen, Brent L.; Renzi, Ronald F. & Shokair, Isaac R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

ROBOTICS IN HAZARDOUS ENVIRONMENTS - REAL DEPLOYMENTS BY THE SAVANNAH RIVER NATIONAL LABORATORY

Description: The Research & Development Engineering (R&DE) section in the Savannah River National Laboratory (SRNL) engineers, integrates, tests, and supports deployment of custom robotics, systems, and tools for use in radioactive, hazardous, or inaccessible environments. Mechanical and electrical engineers, computer control professionals, specialists, machinists, welders, electricians, and mechanics adapt and integrate commercially available technology with in-house designs, to meet the needs of Savan… more
Date: September 27, 2010
Creator: Kriikku, E.; Tibrea, S. & Nance, T.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Centrifuge Techniques and Apparatus for Transport Experiments in Porous Media

Description: This paper describes experimental approaches and apparatus that we have developed to study solute and colloid transport in porous media using Idaho National Laboratory's 2-m radius centrifuge. The ex-perimental techniques include water flux scaling with applied acceleration at the top of the column and sub-atmospheric pressure control at the column base, automation of data collection, and remote experimental con-trol over the internet. These apparatus include a constant displacement piston pump… more
Date: June 1, 2010
Creator: Mattson, Earl D.; Paler, Carl D.; Smith, Robert W. & Flury, Markus
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

HTGR Resilient Control System Strategy

Description: A preeminent objective for corporate and government organizations is the protection of major investments, which is attained by achieving state awareness, a comprehensive understanding of security and safety, for critical infrastructures. Given the dependence of critical infrastructure on control systems for automation, the integrity of these systems and their ability to provide owner/operators a high degree of state awareness is essential in attaining a high degree of investment protection and … more
Date: September 1, 2010
Creator: Stevens, Lynne M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Fault Locating, Prediction and Protection (FLPPS)

Description: One of the main objectives of this DOE-sponsored project was to reduce customer outage time. Fault location, prediction, and protection are the most important aspects of fault management for the reduction of outage time. In the past most of the research and development on power system faults in these areas has focused on transmission systems, and it is not until recently with deregulation and competition that research on power system faults has begun to focus on the unique aspects of distributi… more
Date: September 30, 2010
Creator: Yinger, Robert, J.; Venkata, S., S. & Centeno, Virgilio
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Development of an Integrated Distribution Management System

Description: This final report details the components, functionality, costs, schedule and benefits of developing an Integrated Distribution Management System (IDMS) for power distribution system operation. The Distribution Automation (DA) and Supervisory Control and Data Acquisition (SCADA) systems used by electric power companies to manage the distribution of electric power to retail energy consumers are vital components of the Nation’s critical infrastructure. Providing electricity is an essential public … more
Date: October 20, 2010
Creator: Schatz, Joe E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A Survey of Wireless Communications for the Electric Power System

Description: A key mission of the U.S. Department of Energy (DOE) Office of Electricity Delivery and Energy Reliability (OE) is to enhance the security and reliability of the nation’s energy infrastructure. Improving the security of control systems, which enable the automated control of our energy production and distribution, is critical for protecting the energy infrastructure and the integral function that it serves in our lives. The DOE-OE Control Systems Security Program provides research and developmen… more
Date: January 27, 2010
Creator: Akyol, Bora A.; Kirkham, Harold; Clements, Samuel L. & Hadley, Mark D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Distributed Monte Carlo production for D0

Description: The D0 collaboration uses a variety of resources on four continents to pursue a strategy of flexibility and automation in the generation of simulation data. This strategy provides a resilient and opportunistic system which ensures an adequate and timely supply of simulation data to support D0's physics analyses. A mixture of facilities, dedicated and opportunistic, specialized and generic, large and small, grid job enabled and not, are used to provide a production system that has adapted to new… more
Date: January 1, 2010
Creator: Snow, Joel & U., /Langston
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Findings from Seven Years of Field Performance Data for Automated Demand Response in Commercial Buildings

Description: California is a leader in automating demand response (DR) to promote low-cost, consistent, and predictable electric grid management tools. Over 250 commercial and industrial facilities in California participate in fully-automated programs providing over 60 MW of peak DR savings. This paper presents a summary of Open Automated DR (OpenADR) implementation by each of the investor-owned utilities in California. It provides a summary of participation, DR strategies and incentives. Commercial buildin… more
Date: May 14, 2010
Creator: Kiliccote, Sila; Piette, Mary Ann; Mathieu, Johanna & Parrish, Kristen
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Northwest Open Automated Demand Response Technology Demonstration Project

Description: The Lawrence Berkeley National Laboratory (LBNL) Demand Response Research Center (DRRC) demonstrated and evaluated open automated demand response (OpenADR) communication infrastructure to reduce winter morning and summer afternoon peak electricity demand in commercial buildings the Seattle area. LBNL performed this demonstration for the Bonneville Power Administration (BPA) in the Seattle City Light (SCL) service territory at five sites: Seattle Municipal Tower, Seattle University, McKinstry, a… more
Date: March 17, 2010
Creator: Kiliccote, Sila; Piette, Mary Ann & Dudley, Junqiao
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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