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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Modeling and Analysis of a Tubular Permanent Magnet Generator with Halbach Array

Lin, Chien-lin 03 September 2009 (has links)
The objective of this thesis is to provide the modeling procedure for a tubular permanent magnet generator with Halbach array. The cylindrical-coordinated magnetic flux distributions generated by the stator winding currents and permanent magnets can be realized by deriving the magnetic vector potential in Bessel form from the Maxwell's equations. Then, the functional expressions of inductance matrix and magnetic flux linkage can be obtained. The detailed mathematic model of the proposed system combined with the actual operational properties can be further established and implemented by using the Matlab/Simulink software. The applicability of such mathematic model is also confirmed with experimental results.
2

Adjuster Rod Design in a CANDU Reactor and Flux Distributions Due to an Arbitrary Source of Neutrons

Bertachas, Yiannis January 1978 (has links)
This submission is officially titled as a project. The author has also produced a second project relating to the same topic, titled "Part B: Power Transient in a CANDU Reactor" / This report consists of two separate studies. The first part deals with the calculation of the tube thickness of the Bruce B adjuster rods. The incremental cross-section for four tube thicknesses were obtained using the SUPERCELL Method. The tube thicknesses were then calculated so that the flux distributions at steady state full power and the corresponding total reactivity worth of the adjuster rods were in agreement with the reference design valves. The second part deals with the modifications made to the three-dimensionalSORGHUM code to permit calculations of steady-state flux distributions in asubcritical assembly in the presence of a constant non-fission meutron source. / Thesis / Master of Engineering (ME)

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