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16,000-RPM Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation
Introduction to Brushless field excitation(BFE) to overcome the drawbacks of Reluctance Interior Permanent Magnet (RIPM).
Date:
October 1, 2007
Creator:
Hsu, John S.; Burress, Timothy A.; Lee, Seong T.; Wiles, Randy H.; Coomer, Chester; McKeever, John W. et al.
Object Type:
Report
System:
The UNT Digital Library
2006 Sea Turtle and Pelagic Fish Sensory Physiology Workshop, September 12-13, 2006
From summary: This report summarizes the findings reported by collaborating scientists at the 4th Sea Turtle and Pelagic Fish Sensory Physiology Workshop hosted by the Virginia Institute of Marine Sciences Eastern Shore Laboratory in Wachapregue, Virginia during September 12-13, 2006...The primary objective of the research is to develop techniques and/or commercially viable devices that eliminate or substantially reduce interactions of sea turtles with longline fishing gear while not reducing catch rates of the targeted fish species to unacceptable levels.
Date:
October 2007
Creator:
Swimmer, Yonat & Wang, John H.
Object Type:
Report
System:
The UNT Digital Library
2006 SITE ENVIRONMENTAL REPORT
Each year, Brookhaven National Laboratory (BNL) prepares an annual Site Environmental Report (SER) in accordance with DOE Order 231.1A, Environment, Safety and Health Reporting of the U.S. Department of Energy. The report is written to inform the public, regulators, employees, and other stakeholders of BNL's environmental performance during the calendar year in review. The SER summarizes environmental data; environmental management performance; compliance with applicable DOE, federal, state, and local regulations; and compliance, restoration, and surveillance monitoring program performance. BNL has prepared annual SERs since 1971 and has documented nearly all of its environmental history since the Laboratory's inception in 1947. The report is available in print and as a downloadable file on the BNL web page at http://www.bnl.gov/ewms/ser/. A summary of the SER is also prepared each year to provide a general overview of the report, and is distributed with a CD of the full report.
Date:
October 1, 2007
Creator:
LABORATORY, BROOKHAVEN NATIONAL & RATEL,K.
Object Type:
Report
System:
The UNT Digital Library
2006 Texas Agricultural Statistics
Report on agricultural statistics in Texas including "data on cash receipts, prices, livestock and livestock products, field crops, major vegetables, citrus fruits, peaches, grapes and pecans" (p. ii) and based on district and county data fro 2004-2006.
Date:
October 2007
Creator:
National Agricultural Statistics Service. Texas Field Office.
Object Type:
Report
System:
The Portal to Texas History
3D CFD Model of a Tubular Porous-Metal Supported Solid Oxide Electrolysis Cell
Currently there is strong interest in the large-scale production of hydrogen as an energy carrier for the non-electrical market [1, 2, and 3]. High-temperature nuclear reactors have the potential for substantially increasing the efficiency of hydrogen production from water splitting, with no consumption of fossil fuels, no production of greenhouse gases, and no other forms of air pollution. A high-temperature advanced nuclear reactor coupled with a high-efficiency high-temperature electrolyzer could achieve a competitive thermal-to-hydrogen conversion efficiency of 45 to 55%. A research program is under way at the INL to simultaneously address the research and scale-up issues associated with the implementation of solid-oxide electrolysis cell technology for hydrogen production from steam. The future SOEC market includes the 1200MW GEN4 reactor which has projected 40-50% efficiency, 400 tones H2 production per day (at 5kg H2/car/300 mile day this corresponds to 80,000 cars/day). DOE is planning for 26GW of nuclear hydrogen production by 2025.
Date:
October 1, 2007
Creator:
Hawkes, G. L.; Hawkes, B. D.; Sohal, M. S.; Torgerson, P. T.; Armstrong, T. & Williams, M. C.
Object Type:
Article
System:
The UNT Digital Library
Accelerator/Experiment Operations - FY 2007
This Technical Memorandum (TM) summarizes the Fermilab accelerator and accelerator experiment operations for FY 2007. It is one of a series of annual publications intended to gather information in one place. In this case, the information concerns the FY 2007 Run II at the Tevatron Collider, the MiniBooNE and SciBooNE experiments running in the Booster Neutrino Beam (BNB), MINOS using the Main Injector Neutrino Beam (NuMI), and the Meson Test Beam (MTest) activities in the 120 GeV external Switchyard beam (SY120). Each section was prepared by the relevant authors, and was somewhat edited for inclusion in this summary.
Date:
October 1, 2007
Creator:
Brice, S.; Buchanan, N.; Coleman, R.; Convery, M.; Denisov, D.; Ginther, G. et al.
Object Type:
Report
System:
The UNT Digital Library
Addendum to NuMI shielding assessment
The original safety assessment and the Safety Envelope for the NuMI beam line corresponds to 400 kW of beam power. The Main Injector is currently capable of and approved for producing 500 kW of beam power2. However, operation of the NuMI beam line at 400 kW of power brings up the possibility of an occasional excursion above 400 kW due to better than usual tuning in one of the machines upstream of the NuMI beam line. An excursion above the DOE approved Safety Envelope will constitute a safety violation. The purpose of this addendum is to evaluate the radiological issues and modifications required to operate the NuMI beam line at 500 kW. This upgrade will allow 400 kW operations with a reasonable safety margin. Configuration of the NuMI beam line, boundaries, safety system and the methodologies used for the calculations are as described in the original NuMI SAD. While most of the calculations presented in the original shielding assessment were based on Monte Carlo simulations, which were based on the design geometries, most of the results presented in this addendum are based on the measurements conducted by the AD ES&H radiation safety group.
Date:
October 1, 2007
Creator:
Vaziri, Kamran
Object Type:
Report
System:
The UNT Digital Library
Adiabatic Rotation, Quantum Search, and Preparation of Superposition States
This report describes about the alternative for straight line adiabatic evalution.
Date:
October 1, 2007
Creator:
Siu, M. Stewart
Object Type:
Article
System:
The UNT Digital Library
The Advocate, Volume 12, Issue 4, October-December 2007
Quarterly update providing information on environmental regulations for small businesses and local governments in Texas.
Date:
October 2007
Creator:
Texas Commission on Environmental Quality
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Age, Volume 29, Number 10, October 2007
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:
October 2007
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Alameda-Contra Costa Transit District Fuel Cell Transit Buses: Evaluation Results Update
This report is an update to the 2007 preliminary results report on hydrogen fuel cell and diesel buses operating at Alameda-Contra Costa Transit District.
Date:
October 1, 2007
Creator:
Chandler, K. & Eudy, L.
Object Type:
Report
System:
The UNT Digital Library
Alloys for advanced steam turbines--Oxidation behavior
Advanced or ultra supercritical (USC) steam power plants offer the promise of higher efficiencies and lower emissions. Current goals of the U.S. Department of Energy (DOE) include power generation from coal at 60% efficiency, which would require steam temperatures of up to 760°C. Current research on the oxidation of candidate materials for advanced steam turbines is presented with a focus on a methodology for estimating chromium evaporation rates from protective chromia scales. The high velocities and pressures of advanced steam turbines lead to evaporation predictions as high as 5 × 10-8 kg m-2s-1 of CrO2(OH)2(g) at 760°C and 34.5 MPa. This is equivalent to 0.077 mm per year of solid Cr loss.
Date:
October 1, 2007
Creator:
Holcomb, G. R.
Object Type:
Article
System:
The UNT Digital Library
Alternative Liquid Fuels Simulation Model (AltSim).
The Alternative Liquid Fuels Simulation Model (AltSim) is a high-level dynamic simulation model which calculates and compares the production costs, carbon dioxide emissions, and energy balances of several alternative liquid transportation fuels. These fuels include: corn ethanol, cellulosic ethanol, biodiesel, and diesels derived from natural gas (gas to liquid, or GTL) and coal (coal to liquid, or CTL). AltSim allows for comprehensive sensitivity analyses on capital costs, operation and maintenance costs, renewable and fossil fuel feedstock costs, feedstock conversion efficiency, financial assumptions, tax credits, CO{sub 2} taxes, and plant capacity factor. This paper summarizes the preliminary results from the model. For the base cases, CTL and cellulosic ethanol are the least cost fuel options, at $1.60 and $1.71 per gallon, respectively. Base case assumptions do not include tax or other credits. This compares to a $2.35/gallon production cost of gasoline at September, 2007 crude oil prices ($80.57/barrel). On an energy content basis, the CTL is the low cost alternative, at $12.90/MMBtu, compared to $22.47/MMBtu for cellulosic ethanol. In terms of carbon dioxide emissions, a typical vehicle fueled with cellulosic ethanol will release 0.48 tons CO{sub 2} per year, compared to 13.23 tons per year for coal to liquid.
Date:
October 1, 2007
Creator:
Baker, Arnold Barry; Williams, Ryan (Hobart and William Smith Colleges, Geneva, NY); Drennen, Thomas E. & Klotz, Richard (Hobart and William Smith Colleges, Geneva, NY)
Object Type:
Report
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 109, No. 104, Ed. 1 Monday, October 1, 2007
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 1, 2007
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Analyzing signatures of aerosol-cloud interactions from satelliteretrievals and the GISS GCM to constrain the aerosol indirecteffect
Evidence of aerosol-cloud interactions are evaluated using satellite data from MODIS, CERES, AMSR-E, reanalysis data from NCEP and data from the NASA Goddard Institute for Space Studies climate model. We evaluate a series of model simulations: (1) Exp N- aerosol direct radiative effects; (2) Exp C- Like Exp N but with aerosol effects on liquid-phase cumulus and stratus clouds; (3) Exp CN- Like Exp C but with model wind fields nudged to reanalysis data. Comparison between satellite-retrieved data and model simulations for June to August 2002, over the Atlantic Ocean indicate the following: a negative correlation between aerosol optical thickness (AOT) and cloud droplet effective radius (R{sub eff}) for all cases and satellite data, except for Exp N; a weak but negative correlation between liquid water path (LWP) and AOT for MODIS and CERES; and a robust increase in cloud cover with AOT for both MODIS and CERES. In all simulations, there is a positive correlation between AOT and both cloud cover and LWP (except in the case of LWP-AOT for Exp CN). The largest slopes are obtained for Exp N, implying that meteorological variability may be an important factor. The main fields associated with AOT variability in NCEP/MODIS data …
Date:
October 1, 2007
Creator:
Menon, S.; Del Genio, A.D.; Kaufman, Y.; Bennartz, R.; Koch, D.; Loeb, N. et al.
Object Type:
Article
System:
The UNT Digital Library
[Antique Adventure: Two Women Unearth Treasures at The Big Red Barn]
In the iconic setting of The Big Red Barn on Hwy 237, two women embark on a captivating journey exploring a treasure trove of old furniture and antique wonders. This historic building houses a delightful mix of early antiques, English antiques, American country pieces, fine glass, authentic turquoise jewelry, rare art, and so much more. With the added convenience of a fully climate-controlled environment, the women are free to immerse themselves in a seamless shopping experience, discovering hidden gems and embracing the magic of the past.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Enchantment: Crowd Gazes at Well-Lit Stores in Round Top Antiques Market]
A captivating scene unfolds outside the Round Top Antiques Market as a crowd gathers, enchanted by the well-lit antique stores. Faces aglow with curiosity and excitement, they peer towards the displays, drawn by the allure of vintage marvels within. The atmosphere of shared appreciation and anticipation makes this gathering a delightful celebration of the timeless charm and rich history found within the market's treasures.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Extravaganza: People Gather to Admire Well-Lit Stores at Round Top Antiques Market]
In a heartwarming scene, people gather outside, their faces aglow with anticipation, as they gaze towards the well-lit antique stores at the Round Top Antiques Market. The magical allure of the illuminated displays beckons them to immerse themselves in the treasure trove of vintage marvels that lie within. The camaraderie and excitement among the crowd create an atmosphere of shared appreciation for the timeless beauty and rich history found in the market's antique stores, making it a delightful haven for antique enthusiasts and visitors alike.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Huntress: Woman Ventures Through Fields, Unraveling Treasures at the Market]
In a picturesque scene, a woman gracefully strolls through the market with her trolley, embarking on an enchanting journey amidst the fields of antique and old treasures. With every step, she discovers the allure of bygone eras, exploring a captivating array of vintage items that whisper tales of history. Her trolley becomes a vessel for cherished finds, as she embraces the thrill of the hunt, uncovering hidden gems that will soon find a place of honor in her collection.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Treasures Galore: Exploring the Original Round Top Antiques Fair]
Photograph from the Original Round Top Antiques Fair showcasing beautifully arranged antiques on shelves. Founded in 1968, the fair has grown into one of the largest in the country, offering a diverse selection of vintage items, art, and decor. Shoppers can explore various venues, such as the Big Red Barn and the Continental Tent, to find early American country pieces, textiles, art, and Continental furniture. Modern amenities and a delightful atmosphere make it a memorable experience for all antique enthusiasts.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Treasures: Two Women Embrace Rustic Charm at the Market]
In this picturesque scene, two women are seen embracing the allure of antiquity as they carefully carry an old, rusted green-colored chair they acquired from the market. The background reveals the lingering excitement of the color roulette game, adding a sense of liveliness to the moment. The rustic charm of the chair juxtaposed with the vibrant hues of the roulette creates a visually captivating contrast. The photograph captures the essence of the market's eclectic offerings, where timeless pieces find new homes and memories are created amidst the enchanting ambiance.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Wonderland: Enchanted Crowd Gazes at Illuminated Stores in Round Top]
In Round Top, a magical scene comes to life as an enchanted crowd gathers outside the well-lit antique stores. Faces aglow with curiosity and delight, they eagerly peer towards the displays, drawn by the allure of vintage marvels that await inside. The atmosphere of shared appreciation and anticipation transforms the moment into an enchanting celebration of the timeless charm and rich history found within the market's treasures.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Wonderland: Exploring the Market with Vintage Trolleys]
Step into a charming world of vintage treasures as two men leisurely stroll through the bustling market, their trolleys filled with antique finds. The iconic A-framed building of "LEGLER DANCE HALL" stands tall in the background, a testament to the rich history of the area. Surrounding them, a multitude of display tents filled with unique antiques beckon visitors to explore the wonders of the past. The captivating scene captures the essence of the antiques fair, where every corner promises delightful discoveries and nostalgic encounters.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Antique Wonderland: Multistory A-Frame Building Illuminates Round Top Antiques Market]
A mesmerizing sight awaits visitors at the Round Top Antiques Market - a well-lit multistory A-frame building brimming with antique treasures. Radiating warmth and allure, the building beckons buyers and enthusiasts to step into an enchanting world of vintage wonders. Each floor holds a trove of cherished pieces, inviting exploration and discovery, as the magical ambiance of the building envelops all who enter, creating an unforgettable experience for those seeking the timeless beauty of antique collectibles.
Date:
October 2007
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library