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Pilot Testing of WRI'S Novel Mercury Control Technology by Pre-Combustion Thermal Treatment of Coal

Description: The challenges to the coal-fired power industry continue to focus on the emission control technologies, such as mercury, and plant efficiency improvements. An alternate approach to post-combustion control of mercury, while improving plant efficiency deals with Western Research Institute's (WRI)'s patented pre-combustion mercury removal and coal upgrading technology. WRI was awarded under the DOE's Phase III Mercury program, to evaluate the effectiveness of WRI's novel thermal pretreatment proce… more
Date: August 17, 2008
Creator: Bland, Alan; Newcomer, Jesse & Sellakumar, Kumar
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Test Results of LARP 3.6 m Nb3Sn Racetrack Coils Support by Full-length and Segmented Shell Structures

Description: As part of the LHC Accelerator Research Program (LARP) to build a high performance quadrupole magnet with Nb{sub 3}Sn conductor, a pair of 3.6 m-long Nb{sub 3}Sn racetrack coils has been made at Brookhaven National Laboratory (BNL) and installed in two shell-type support structures built by Lawrence Berkeley National Laboratory (LBL). These magnet assemblies have been tested at 4.5 K at BNL to gauge the effect of extended length and prestress on the mechanical performance of the long structure … more
Date: August 17, 2008
Creator: Muratore, Joseph F.; Ambrosio, Giorgio; Anerella, Michael; Barzi, Emanuela; Bossert, Rodger; Caspi, Shlomo et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Design of HQ -- a High Field Large Bore Nb3Sn Quadrupole Magnet for LARP

Description: In support of the Large Hadron Collider luminosity upgrade, a large bore (120 mm) Nb{sub 3}Sn quadrupole with 15 T peak coil field is being developed within the framework of the US LHC Accelerator Research Program (LARP). The 2-layer design with a 15 mm wide cable is aimed at pre-stress control, alignment and field quality while exploring the magnet performance limits in terms of gradient, forces and stresses. In addition, HQ will determine the magnetic, mechanical, and thermal margins of Nb{su… more
Date: August 17, 2008
Creator: Felice, H.; Ambrosio, G.; Anerella, M.; Bossert, R.; Caspi, S.; Cheng, D. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Assembly and Test of HD2, a 36 mm bore high field Nb3Sn Dipole Magnet

Description: We report on the fabrication, assembly, and test of the Nb{sub 3}Sn dipole magnet HD2. The magnet, aimed at demonstrating the application of Nb{sub 3}Sn superconductor in high field accelerator-type dipoles, features a 36 mm clear bore surrounded by block-type coils with tilted ends. The coil design is optimized to minimize geometric harmonics in the aperture and the magnetic peak field on the conductor in the coil ends. The target bore field of 15 T at 4.3 K is consistent with critical current… more
Date: August 17, 2008
Creator: Ferracin, P.; Bingham, B.; Caspi, S.; Cheng, D. W,.; Dietderich, D. R.; Felice, H. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Instrumentation and Quench Protection for LARP Nb3Sn Magnets

Description: The US LHC Accelerator Research Program (LARP) is developing Nb{sub 3}Sn prototype quadrupoles for the LHC interaction region upgrades. Several magnets have been tested within this program and understanding of their behavior and performance is a primary goal. The instrumentation is consequently a key consideration, as is protection of the magnet during quenches. In all LARP magnets, the flexible circuits traces combine the instrumentation and the protection heaters. Their fabrication relies on … more
Date: August 17, 2008
Creator: Felice, H.; Ambrosio, G.; Chlachidize, G.; Ferracin, P.; Hafalia, R.; Hannaford, R. C. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Fabrication and Test of a 3.7 m Long Support Structure for the LARP Nb3Sn Quadrupole Magnet LQS01

Description: The 3.7 m long quadrupole magnet LQS01 represents a major step of the US LHC Accelerator Research Program (LARP) towards the development of long Nb{sub 3}Sn accelerator quadrupole magnets for a LHC Luminosity upgrade. The magnet support structure is a scale up of the 1 m long Technology Quadrupole TQS design with some modifications suggested by TQS model test results. It includes an aluminum shell pre-tensioned over iron yokes using pressurized bladders and locking keys (bladder and key technol… more
Date: August 17, 2008
Creator: Ferracin, P.; Ambrosio, G.; Anerella, M.; Bingham, B.; Bossert, R.; Caspi, S. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Networks in Buildings: Which Path Forward?

Description: To date, digital networks have principally been installed for connecting information technology devices, with more modest use in consumer electronics, security, and large building control systems. The next 20 years will see much greater deployment of networks in buildings of all types, and across all end uses. Most of these are likely to be introduced primarily for reasons other than energy efficiency, and add energy use for network interfaces and network products. Widespread networking could e… more
Date: August 17, 2008
Creator: Nordman, Bruce
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Development and Coil Fabrication for the LARP 3.7-m Long Nb3Sn Quadrupole

Description: The U.S. LHC Accelerator Research Program (LARP) has started the fabrication of 3.7-m long Nb{sub 3}Sn quadrupole models. The Long Quadrupoles (LQ) are 'Proof-of-Principle' magnets which are to demonstrate that Nb{sub 3}Sn technology is mature for use in high energy particle accelerators. Their design is based on the LARP Technological Quadrupole (TQ) models, developed at FNAL and LBNL, which have design gradients higher than 200 T/m and an aperture of 90 mm. The plans for the LQ R&D and a … more
Date: August 17, 2008
Creator: Ambrosio, G.; Andreev, N.; Anerella, M.; Barzi, E.; Bossert, R.; Caspi, S. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Fabrication and Test of LARP Technological Quadrupole Models of TQC Series

Description: In support of the development of a large-aperture Nb3Sn superconducting quadrupole for the Large Hadron Collider (LHC) luminosity upgrade, several two-layer technological quadrupole models of TQC series with 90 mm aperture and collar-based mechanical structure have been developed at Fermilab in collaboration with LBNL. This paper summarizes the results of fabrication and test of TQC02a, the second TQC model based on RRP Nb3Sn strand, and TQC02b, built with both MJR and RRP strand. The test resu… more
Date: August 17, 2008
Creator: Bossert, Rodger C.; Ambrosio, Giorgio; Andreev, Nilolai; Barzi, Emanuela; Chlachidze, Guram; Feher, Sandor et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Design of a Nb3Sn Magnet for a 4th Generation ECR Ion Source

Description: The next generation of Electron Cyclotron Resonant (ECR) ion sources are expected to operate at a heating radio frequency greater than 40 GHz. The existing 3rd generation systems, exemplified by the state of the art system VENUS, operate in the 10-28 GHz range, and use NbTi superconductors for the confinement coils. The magnetic field needed to confine the plasma scales with the rf frequency, resulting in peak fields on the magnets of the 4th generation system in excess of 10 T. High field supe… more
Date: August 17, 2008
Creator: Prestemon, S,; Trillaud, F.; Caspi, S.; Ferracin, P.; Sabbi, G. L.; Lyneis, C. M. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Use of High Resolution DAQ System to Aid Diagnosis of HD2b, a High Performance Nb3Sn Dipole

Description: A novel voltage monitoring system to record voltage transients in superconducting magnets is being developed at LBNL. This system has 160 monitoring channels capable of measuring differential voltages of up to 1.5kV with 100kHz bandwidth and 500kS/s digitizing rate. This paper presents analysis results from data taken with a 16 channel prototype system. From that analysis we were able to diagnose a change in the current-temperature margin of the superconducting cable by analyzing Flux-Jump data… more
Date: August 17, 2008
Creator: Lizarazo, J.; Doering, D.; Doolittle, L.; Galvin, J.; Caspi, S.; Dietderich, D. R. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Test Results of LARP Nb3Sn Quadrupole Magnets Using a Shell-based Support Structure (TQS)

Description: Among the magnet development program of a large-aperture Nb{sub 3}Sn superconducting quadrupole for the Large Hadron Collider luminosity upgrade, six quadrupole magnets were built and tested using a shell based key and bladder technology (TQS). The 1 m long 90 mm aperture magnets are part o fthe US LHC Accelerator Research Program (LARP) aimed at demonstrating Nb{sub 3}Sn technology by the year 2009, of a 3.6 m long magnet capable of achieving 200 T/m. In support of the LARP program the TQS mag… more
Date: August 17, 2008
Creator: Caspi, S.; Dietderich, D. R.; Felice, H.; Ferracin, P.; Hafalia, R.; Hannaford, C. R. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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