high gradient superconducting

High gradient Superconducting Cavity Development for …

– High mA currents (low losses) These machines require high gradient acceleration; SCRF required for • Compactness • Low extraction losses – Large horizontal aperture of the FFAG, like the cyclotron, is a challenging problem for SCRF design September 16, 2013 FFAG cavity 2

High gradient magnetic separation using superconducting ...

We aim to apply the superconducting bulk magnets to high gradient magnetic separation technique. Two bulk magnets are face-to-face arranged and a pipe stuffed magnetic filters composed of ferromagnetic wires is placed between the magnetic poles. We setup the magnetic separation system and test it using slurry mixed with hematite particles (Fe 2 ...

HIGH GRADIENTS IN SUPERCONDUCTING MULTI-CELL …

high gradient or for low-loss operation [18] and also superstructures especially for the high power FEL [21]. For a energy upgrade version of the CEBAF machine electropolishing was used as a surface preparation for the 1.5 GHz seven-cell cavities. This yielded very good results in a low power test. An example is shown in figure 6. TESLA Etched ...

Feasibility of turbidity removal by high-gradient ...

Several studies have focused on pollutant removal by magnetic seeding and high-gradient superconducting magnetic separation (HGSMS). However, few works reported the application of HGSMS for treating non-magnetic pollutants by an industrial large-scale system.

High gradient magnetic separator HGMS continuous -

High gradient magnetic separator HGMS continuous. 's HGMS, high gradient magnetic separators, recover ferro-magnetic and para-magnetic materials from ore slurries. The separators are designed around the unique magnet system providing magnetic fields up to 1,5 T (15 000 Gauss).

Superconducting Open-Gradient Magnetic Separation for …

systems due to the high concentration of Pu obtained in the lean fraction. The high gradient field possible with the ANL superconducting OGMS system may potentially reduce the Pu in the lean fraction. Other waste streams studied containing Pu are selected Rocky Flat incinerator ash which. produced identical lean and rich fractions of Pu. Figure 1.

High Gradient, Large Aperture Quadrupoles for the NSCL ...

The National Superconducting Cyclotron Laboratory (NSCL) is constructing a magnetic spectrometer, the S800, which will consist of two superconducting dipoles and two superconducting quadrupoles. One of the quadrupoles (Q1) has a 24 cm bore and a 34 cm length. The peak gradient of 21 T/m is produced by 2100 turns of 0.7 mm wire operating at 79 A.

High gradient magnetic separation using superconducting ...

The data reported in this study suggest that the superconducting high gradient magnetic separation technology has a great application prospect: it could be applied without changing the main ...

Superconducting RF R&D | Applied Physics and ...

It was discovered at Fermilab that the efficiency of the Meissner effect is dictated by the thermal gradient present at the superconducting-normal front during transition. New cooling schemes and procedures have been developed to maximize the expulsion of the magnetic flux to maintain the ultra-high Q factors all the way through from vertical ...

(PDF) High Gradient Superconducting Quadrupoles

High Gradient Superconducting Quadrupoles. ... The requirements are high gradient and low current. A quadrupole has been designed that meets the operating gradient of 0.63 T/cm at 1086 A. The one ...

SHGMS - Superconducting High-Gradient Magnetic Separation

What is the abbreviation for Superconducting High-Gradient Magnetic Separation? What does SHGMS stand for? SHGMS abbreviation stands for Superconducting High-Gradient Magnetic Separation.

High-gradient, pulsed operation of superconducting niobium ...

@article{osti_6786187, title = {High-gradient, pulsed operation of superconducting niobium cavities}, author = {Campisi, I E and Farkas, Z D}, abstractNote = {Tests performed on several Niobium TM/sub 010/ cavities at frequencies of about 2856 MHz using a high-power, pulsed method indicate that, at the end of the charging pulse, peak surface magnetic fields of up to approx. 1300 Oe ...

HIGH GRADIENT TESTING OF THE FIVE-CELL …

HIGH GRADIENT TESTING OF THE FIVE-CELL SUPERCONDUCTING RF MODULE WITH A PBG COUPLER CELL∗ S. Arsenyev†, Massachusetts Institute of Technology, Cambridge, MA 02139, USA W.B. Haynes, D. Shchegolkov, E. Simakov, T. Tajima, Los Alamos National Laboratory,

High gradient superconducting cavities - University of Oxford

High gradient superconducting cavities A worthy challenge Marc Wenskat - DESY @ John Adams Insitute Oxford, 19. October 2011 ... The cavity of choice for FEL's or for colliders where high luminosity and beam quality is needed. Superconduction ... >The accelerating gradient is the average gradient …

MT26 Abstracts, Timetable and Presentations (22-27 ...

Abstract— A future Electron Ion Collider (EIC) may require high gradient superconducting quadrupole magnets for final focusing of the hadron beam in the interaction region. Due to the closeness to the beam collision point and the narrow 25mr crossing angle these high gradient magnets will reside in close proximity to electron beam magnets ...

Recent Results of High Gradient Superconducting Cavities ...

High Gradient Superconducting Cavities at Cornell Rong-Li Geng Brown Bag Accelerator Physics Seminar October 8, 2004 ... • But RF processing at high field activates new field emitters. ... World high gradient data (regular elliptical shape) Reentrant shape with δh=-10% Reentrant cavity potential

Magnetophoretic Velocimetry of Manganese(II) in a Single ...

A high magnetic field gradient generated by a superconducting magnet and a pair of pole pieces were used, in order to enhance the sensitivity of magnetophoretic velocimetry.

High gradient magnetic separator HGMS continuous -

High gradient magnetic separator HGMS continuous. 's HGMS, high gradient magnetic separators, recover ferro-magnetic and para-magnetic materials from ore slurries. The separators are designed around the unique magnet system providing …

Development of superconducting high gradient magnetic ...

T1 - Development of superconducting high gradient magnetic separation system for medical protein separation. AU - Fuchino, Shuichiro. AU - Furuse, Mitsuho. AU - Agatsuma, Koh. AU - Kamioka, Yasuharu. AU - Iitsuka, Tomohiro. AU - Nakamura, Shuichi. AU - Ueda, Hiroshi. AU - Kajikawa, Kazuhiro. PY - 2014/1/1. Y1 - 2014/1/1

High gradient superconducting cavity with low surface EM ...

High gradient superconducting cavity with low surface EM fields and well-suppressed HOMs for the ILC. / Juntong, N.; Jones, R. M. In: IPAC 2010 - 1st International Particle Accelerator Conference, 2010, p. 3010-3012. Research output: Contribution to journal › Article

Superconducting High Gradient Magnetic Separation for ...

High gradient magnetic separation (HGMS) can be one of the promising ways for a new environmental purification technique because of producing no contamination such as flocculants and having possibility of treating large amount of wasted water within a short time. The magnetic separation system for purification of wastewater from the paper factory has been developed.

Gradient specifications - Questions and Answers in MRI

The first value to look for on the specification sheet is maximum (or peak) gradient strength. This is quoted in units of millitesla per meter (mT/m). Most 1.5T to 3.0T superconducting whole body scanners have maximum gradient strengths in the range of 30-45 mT/m, while lower field (<0.5T) permanent scanners are in the 15-25 mT/m range.

NEW RESULTS OF DEVELOPMENT ON HIGH EFFICIENCY …

We report on the latest results of development on high efficiency high gradient superconducting radio frequency (SRF) cavities. Several 1-cell cavities made of large-grain niobium (Nb) were built, processed and tested. Two of these cavities are of the Low Surface Field (LSF) shape. Series of tests were carried out following controlled thermal ...

The Development of 5.5 T High Gradient Superconducting ...

A new High Gradient Superconducting Magnetic Separator (HGMS) system was developed to process kaolin. This paper describes the development of a 5.5 T central field, 300 mm room temperature bore, HGMS system. A zero boil-off helium cryostat, a double canisters system, and a PLC (Process Logic Controller) fully automatic control system based on SCADA (Supervisory Control And Data …

High-Gradient Magnetic Separation of Magnetic Nanoclusters ...

The capture of magnetic nanoclusters in high-gradient magnetic separation (HGMS) operations, the rate-limiting step in magnetic nanoparticle-based separations and chemical processing, was studied experimentally, and a new model for HGMS capture that extends current single-wire models to column behavior was developed. Clusters >50 nm were captured very efficiently (>99.9%) at high flow rates.

Chemical Free Surface Processing for High Gradient ...

Chemical Free Surface Processing for High Gradient Superconducting RF Cavities. Printer-friendly version. ... allow manufacturing of the Nb SRF cavities without the above chemical treatment procedures and increase the cavities high gradient performance. ... was electron beam melted at the interior surface and RF tested in the superconducting ...

Development of a superconducting cavity for high gradient ...

A collaboration between KEK and CEBAF is pursuing the development of a superconducting high gradient accelerating structure for application in future accelerator which optimally requires the high field gradient above 25 MV/m. In the first phase of this collaboration three single cell 1300 MHz niobium cavities have been built and tested.

A high gradient test of a single-cell superconducting ...

Jul 27, 2015· In order to increase the gradient, a superconducting traveling wave accelerating (STWA) structure is suggested. Utilization of STWA structure with small phase advance per cell for future high energy linear colliders such as ILCs may provide an accelerating gradient 1.2–1.4 times larger [1] than a standing wave structure.

High gradient magnetic separation using superconducting ...

T1 - High gradient magnetic separation using superconducting bulk magnets. AU - Yokoyama, K. AU - Oka, T. AU - Okada, H. AU - Noto, K. PY - 2003/10/1. Y1 - 2003/10/1. N2 - We aim to apply the superconducting bulk magnets to high gradient magnetic separation technique.

Superconducting High Gradient Magnetic Separation

Superconducting High Gradient Magnetic Separation. Mills gram gold bar mills oz 100 mills 24k gold maple leaf bar mint gram 10 51 oz 100 mills 24k gold maple leaf bar mint gram 1080 bars tenounce 1 troy oz 100 mills 999 gold maple leaf bar yellow home products solutions project about contacthome1 troy oz …