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Showing 1 to 20 of 35 for “"Toroid"”.
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Analysis of the Modified Square Toroid, A Force-Reduced Electromagnet
Made available in DSpace on 2017-07-06T18:48:28Z (GMT). No. of bitstreams: 3 Hill_James_L_MS.pdf: 59446779 bytes, checksum: 6f9a388bc7f966f031ed23df5e3dc80b (MD5) Hill_James_L_MS_ABS.pdf: 903512 bytes, checksum: d0f38e70bbe02fa291766b009006202e (MD5) license.txt: 4813 bytes, checksum: …
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Zero Quantum Nuclear Magnetic Resonance experiments utilizing a toroid cell and coil
… One of these has been the suggestion of toroid shaped resonators for NMR studies (2). A potential advantage of a toroid cell and coil is the confinement of the B₁ field to the torus region.It has been suggested that the toroid has a potential (S/N) advantage of 3.9 - 4.5 in comparison to …
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Whole Skin Locomotion Inspired by Amoeboid Motility Mechanisms: Mechanics of the Concentric Solid Tube Model
… as we call it, works by way of an elongated toroid which turns itself inside out in a single continuous motion, effectively generating the overall motion of the cytoplasmic streaming ectoplasmic tube in amoebae. This research presents the preliminary analytical study towards the design and …
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Precision measurement of the proton electric to magnetic form factor ratio with BLAST
… symmetric Bates Large Acceptance Spectrometer Toroid (BLAST) detector. By measuring the spin-dependent elastic ... asymmetry in both sectors simultaneously, we could extract the form factor ratio independent of beam and target polarization. This was the first experiment to measure ... using a …
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A measurement of the neutron magnetic form factor Gn̳M̳ form quasi-elastic ²[right arrow]H ([right arrow]e, e') at low Q²
… target. The Bates Large Acceptance Spectrometer Toroid (BLAST) was used for the measurement. The form factor GnM was extracted from the ratio of the inclusive asymmetry [alpha]Ved in perpendicular over parallel kinematics and at Q2 = 0.135, 0.189, 0.252, 0.316 (GeV/c)2.
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Thermally actuated MEMS seal for vacuum applications
… the hollow cylinder of solder reflows into a toroid due to surface tension. For sufficiently high solder aspect ratios, the inner edges of the toroid meet in the center, thereby plugging the via. The heater is then turned off, solidifying the solder and forming a permanent seal. Individual …
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Measurement of tensor analyzing powers in elastic electron deuteron scattering with BLAST
… fm¡1 in the Bates Large Acceptance Spectrometer Toroid (BLAST) with a highly polarized internal gas target. Deuterium form factors GC and GQ were separated using the new data with better precision and the location of the first node of the deuteron monopole form factor was confirmed. The new data …
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Magnet design considerations for superconductive magnetic energy storage
… low to moderate aspect ratio solenoidal designs. Toroids, poloids and force-reduced magnets are some alternate magnet structures that can be used for SMES but have not received much attention. These structures have some advantages over solenoidal designs such as lower peak fields with greater …
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Vector polarization observables of the deuteron and a new measurement of the magnetic dipole form factor G(M)
… BLAST (Bates Large Acceptance Spectrometer Toroid) detector in the Bates South Hall Ring. The beam helicity dependent target vector asymmetries, simultaneously measured in both sectors of BLAST, allow the extraction of Te11 . To the best of our knowledge this is the first such use of a …
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Search for pre-existing Delta states at BLAST from ²H(e,e'[Delta]⁺⁺
… using the Bates Large Acceptance Spectrometer Toroid (BLAST). This experiment has employed an 850 MeV polarized electron beam from the MIT-Bates linear accelerator incident on an internal polarized deuterium target and the BLAST detector. Deuterium's simple composition is an important factor in …
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Analysis of scattered protons in deuteron electrodisintegration with a polarized electron beam and an internal polarized target
… The Bates Large Acceptance Spectrometer Toroid (BLAST) provides a unique opportunity to measure deuteron electrodisintegration asymmetries at low momentum transfer. BLAST combines a high-duty polarized electron beam, an Atomic Beam Source (ABS) target of highly-polarized deuterium atoms, …
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Investigation of lithium-air battery discharge product formed on carbon nanotube and nanofiber electrodes
… phase, which was found to have unique disc and toroid morphologies. Subsequent studies were conducted using freestanding carpets of multi-walled CNT arrays, which were synthesized using a modified CVD process. The freestanding CNT arrays were used as a platform for studying the morphological …
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A study of the spin dependence of pion electroproduction near the [delta] region
… With the Bates Large Acceptance Spectrometer Toroid (BLAST) detector package, data were collected simultaneously for both reaction channels, covering an invariant mass range of 1.1 to 1.4 GeV and a squared four momentum transfer range of 0.1 to 0.4 (GeV/c)2. By flipping the target spin …
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Inclusive scattering of polarized electrons from polarized protons in the Delta-excitation region with BLAST
… Center. The Bates Large Acceptance Spectrometer Toroid (BLAST) is a detector designed to study in a comprehensive and precise way the spin-dependent electromagnetic response in one and few-body systems over a large kinematic range. It has been used to measure spin-dependent scattering from the …
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Measurement and Modeling for Resource Monitoring
… easily available at the installation site. The toroidal current transformer based magnetic energy harvester (CTMEH), which leverages the existence of extensive electrical power grid cabling, provides a potential solution. Its usefulness, however, is limited by the need to thread the power …
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Polymer, Metal, and Ceramic Microtubes by Strain-driven Self-rolling
… a single experiment. Furthermore, polymer micro-toroids and triangles were also fabricated using self-rolling approach of PS/P4VP layer. Moreover, the kinetics of toroid formation is also studied in the present work. The equilibrium dimensions of toroid are determined by the balance of the …
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Current-Transformer Based Gate-Drive Power Supply With Reinforced Isolation
… by the primary HV cable insulation across a toroid transformer core. The CI/O is designed less than 2 pF to mitigate the Common-Mode (CM) noise. A circuit topology analysis is performed and the inductor/capacitor/capacitor/inductor (LCCL) – inductor/capacitor (LC) circuit is selected. This …
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Measurement of the electric form factor of the neutron at low momentum transfers using a vector polarized deuterium gas target at BLAST
… The Bates Large Acceptance Spectrometer Toroid (BLAST) provides a unique opportunity to measure! the shape of the neutron electric form factor at low momentum transfers. BLAST combines a high duty-factor polarized electron beam in the South Hall Ring (SHR), an Atomic Beam Source (ABS) …
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Characterization of MnZn ferrite materials and finite element method for MnZn ferrite core loss calculations
… of those four properties are first presented. Toroids with 1.1 OD/ID ratios are selected as samples to obtain the magnetic properties. It is illustrated that the hysteresis loss should be measured at the frequency of interest, instead of DC, due to its frequency-dependence. The electric …
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Studies on strength and stability of toroidal shell forms for containment applications
… analytical tools for novel shell forms. Complete toroidal shells are not widely used shells of revolution owing to their geometries and associated complexities in the theory of the shells. They can offer certain structural and functional advantages over conventional shells and are mainly used for …
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