Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 259 for “"tapered"”.
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Tapered waveguide lasers
… thesis concerns the design and fabrication of tapered waveguide lasers to allow efficient, high-power diode-pumping and produce diffraction-limited, near-symmetrical output, whilst maintaining a monolithic design compatible with integrated optical circuits. <br/><br/>The design rules required …
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Computer simulations of tapered particles
… (MD) simulations of systems of soft repulsive tapered particles. Essentially, the objective of the project was to investigate the effect that changing the degree of taper of these particles has on the collective behaviour of the system. The particle shapes were modelled using the parameterised …
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Vortical patterns behind a tapered cylinder
Thesis (M.S.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and the Woods Hole Oceanographic Institution), 1998.
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Tapered roller bearing ballscrew support system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Optimization of Tapered Deployable Space Structures
… orbit. In this study, an optimization of a tapered composite beam deployable structure is performed to find an optimally performing design, minimizing wrapped strain energy and deployment dynamics. The beam will consist of a compressible, lenticular section that will include a taper ratio …
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Natural frequencies of cantilevered triangular tapered plates
Call number: LD2668 .T4 1966 K78
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Continuously tapered dielectric matching transitions for waveguides
… are of the stepped type. The continuously tapered dielectric matching transitions investigated in this dissertation provide increased bandwidth with very little increase of physical complexity.</p> <p>The dissertation provides an analytical method for analysis and design for the …
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Tapered plate dowels for jointed concrete slabs
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Investigation of tapered multiple microstrip lines for VLSI circuits
Tapered, coupled, microstrip transmission lines are an increasingly important part of high-speed digital circuits. These lines, used as interconnects between integrated circuit devices, are modeled using an iteration-perturbation approach applied in the spatial domain. The approach is used first to …
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Nonlinear aluminum nitride photonic crystal measurement using tapered fiber
… nm visible light and 1550 nm infrared light. A tapered region is also integrated to improve the light transmission between an optical fiber and an on-chip waveguide. We demonstrate the high value of nonlinear coupling interaction strength, the phase matching of the mode extraction from the …
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The Uniformly Tapered Circular Beam as a Dynamic Vibration Absorber.
Many standard texts treat in detail the lumped parameter dynamic vibration absorber. Typical examples are the translating mass vibration absorber, the pendulum vibration absorber, and the bifilar pendulum vibration absorber. The common characteristic of these single degree-of-freedom subsystems is …
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Fiber compaction and wetout in tapered resin injection pultrusion manufacturing
… volume technique to simulate the resin flow in a tapered injection chamber through the fiber reinforcement when compaction of the fiber reinforcement is taken into account. The numerical model predicts the impact of design and process parameters on wetout, resin pressure field, resin velocity …
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Investigation of High-Efficiency Radial and Tapered Brushless PM Machines
… two separate brushless PM machines (radial and tapered types) and investigates these challenges to achieve higher efficiency. In the first part of the thesis, a 16-kW, 3-phase, 4-pole radial-flux spoke-type interior PM (IPM) machine with inherent voltage regulation capability has been presented. …
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Elastic-Plastic Analysis of Tapered Beams Subjected to Point Loads
Made available in DSpace on 2014-12-10T17:25:22Z (GMT). No. of bitstreams: 1 6406031.pdf: 5129364 bytes, checksum: 7639bd08b9567d895102c2c72a588447 (MD5) Previous issue date: 1963
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A General Treatment of the Transverse Vibration of Tapered Beams
Made available in DSpace on 2014-12-10T17:25:36Z (GMT). No. of bitstreams: 1 6607827.pdf: 2992217 bytes, checksum: c216fb52e764c42bc62386ce57464573 (MD5) Previous issue date: 1966
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Factors in the Design of Tapered Piston High Pressure Cells
Made available in DSpace on 2014-12-08T23:18:10Z (GMT). No. of bitstreams: 1 6511781.pdf: 2480724 bytes, checksum: b439127b348238ca668bb80481b94753 (MD5) Previous issue date: 1965
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Ray analysis of tapered graded-index planar waveguides and fibers
Propagation properties of linearly tapered parabolic-index optical waveguides are investigated. Tapers with planar (two-dimensional) and fiber (three-dimensional) geometries are considered. A ray optics approach is used in the analysis, assuming that the characteristic dimensions of tapered …
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