1,155 research outputs found

    Carl Mathias Holm

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    Portrait of Carl Mathias Holm in uniform. Son of Charles Mathias Jorgenson Holm and Olene Elizabeth Iversen Holm

    Charles Mathias (Jorgenson) Holm family

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    Portrait of the Charles Mathias (Jorgenson) Holm family. From left to right: Carl Mathias Holm, Charles Mathias (Jorgenson) Holm, Mae Dagmar Holm Hall (standing in front of Charles(, Olene Elizabeth Holm Johnson (rear), Olene Elizabeth Iversen Holm holding Louise Holm Evers, Sophia Holm (rear) and Elmyra Teresa Holm Lyon (mother of Juanita Lyon Holm)

    Charles Mathias Jorgensen Holm

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    Portrait of Charles Mathias Jorgensen Holm. Born May 27, 1841 in Finderup, Denmark. Married December 22, 1873. Died February 28, 1917. Buried in the Murray City Cemetery. One of Murray\u27s early pioneers

    Louise Emilie Holm Evers Walton

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    Portrait of Louise Emilie Holm Evers Walton, daughter of Charles Mathias Jorgenson Holm and Olene Elizabeth Iversen Holm. Courtesy of Juanita Lyon Howe

    Blanche Holm Bennington in 1917

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    Snapshot of Blanche Holm Bennington in 1917. Daughter of Charles Mathias Jorgenson Holm and Olene Elizabeth Iversen Holm. Courtesy of Juanita Lyon Howe

    Bill Holm

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    This image shows author Bill Holm sitting at an outdoor table in a rural area with cigarette in hand and box of Marlboros. Holm was a 1965 graduate of Gustavus Adolphus College. He died on 25 February 2009

    Bill Holm

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    This image shows author Bill Holm reading from his book "Boxelder Bug Variations: A Meditation on an Idea in Language and Music." Holm was a 1965 graduate of Gustavus Adolphus College. He died on 25 February 2009

    Modelling and optimization of a permanent-magnet machine in a flywheel

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    This thesis describes the derivation of an analytical model for the design and optimization of a permanent-magnet machine for use in an energy storage flywheel. A prototype of this flywheel is to be used as the peak-power unit in a hybrid electric city bus. The thesis starts by showing the feasibility of using a flywheel energy storage system for this application, as opposed to other energy storage technologies. It then continues by describing a prototype flywheel system and the required electrical machine: a radial-flux external-rotor permanent-magnet synchronous machine without slots in the stator iron and with a shielding cylinder. An analytical model for the machine is derived, based on 2D electromagnetic field calculations, including the reaction field of the eddy currents in the shielding cylinder. Torque and losses are calculated by means of the Theorem of Poynting and the Lorentz force. Such a machine was built and the analytical model has been validated by experimental measurements. Lastly, the thesis suggests and implements a machine optimization algorithm.Information Technology and System

    A look on some results about Camassa–Holm type equations

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    summary:We present an overview of some contributions of the author regarding Camassa--Holm type equations. We show that an equation unifying both Camassa--Holm and Novikov equations can be derived using the invariance under certain suitable scaling, conservation of the Sobolev norm and existence of peakon solutions. Qualitative analysis of the two-peakon dynamics is given

    Nancy Nash, Ethel Pehrson, and Bill Holm

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    This image shows author Bill Holm (right) with fellow alum Nancy Hanson Nash (left) and retired Gustavus professor Ethel Pehrson (center) in Alaska. Pehrson taught Music at Gustavus from 1950-76
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