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Filtering by: Subject Thermal desorption Remove constraint Subject: Thermal desorption Academic Affiliation Mechanical Engineering Remove constraint Academic Affiliation: Mechanical Engineering

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  • An experimental study of co-flow ammonia-water desorption in an oil-heated, microscale, fractal-like branching heat exchanger

    Creator:
    Mouchka, Gregory A.
    Abstract:
    An experimental study was performed in which an ammonia-water solution was desorbed within a branching fractal-like microchannel array. The solution entered in the center of a disk, and flowed out radially until discharging in to a gravity-driven separation chamber. Heat was added to the ammonia-water through a thin wall, above...
    Resource Type:
    Masters Thesis
    Full Text:
    Study of Co-flow Ammonia-water Desorption in an Oil- heated, Microscale, Fractal-like Branching Heat

  • Flow boiling of lithium bromide-water solution in microchannels, with application to desorption

    Creator:
    Fackrell, Kurt
    Abstract:
    Recent studies of flow boiling within microchannels have shown high heat fluxes, leading to successful design and testing of compact heat exchangers, cooling systems for electronics and other high efficiency, miniature components. An experimental study of flow boiling of a concentrated salt solution in microchannels is presented. Experiments examined flow...
    Resource Type:
    Masters Thesis
    Full Text:
    . Title: Flow Boiling of Lithium Bromide-Water Solution in Microchannels, with Application to Desorption

  • Constrained thin film desorption through membrane separation

    Creator:
    Thorud, Johnathan D.
    Abstract:
    A constrained thin film desorption scheme has been experimentally tested to determine the desorption rates for water from an aqueous lithium bromide mixture through a confining membrane. Variable conditions include the inlet concentration, pressure differential across the membrane, and channel height. Desorption takes place in a channel created between two...
    Resource Type:
    Masters Thesis
    Full Text:
    ..................................................................... 3 1.2 Thin film desorption process showing both the thermal and concentration gradients expected

  • An experimental study of ammonia-water bubble absorption in a constrained microscale film

    Creator:
    Jenks, Jeromy W.
    Abstract:
    An experimental study of absorption of ammonia into a constrained thin film of ammonia-water solution is presented. A large aspect ratio microchannel with one of its walls formed by a porous material is used to constrain the thickness of the liquid film. Experiments were performed at a pressure of 1,...
    Resource Type:
    Masters Thesis
    Full Text:
    transfer coefficient (kg/m 2 -s) s h Solution heat transfer coefficient (W/m 2 K) k Thermal