UMD Theses and Dissertations

Permanent URI for this collectionhttp://hdl.handle.net/1903/3

New submissions to the thesis/dissertation collections are added automatically as they are received from the Graduate School. Currently, the Graduate School deposits all theses and dissertations from a given semester after the official graduation date. This means that there may be up to a 4 month delay in the appearance of a given thesis/dissertation in DRUM.

More information is available at Theses and Dissertations at University of Maryland Libraries.

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Author: search.filters.author.Kermani, Elnaz

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    Manifold microchannel cooling of photovoltaic cells for high efficiency solar energy conversion systems
    (2008) Kermani, Elnaz; Ohadi, Michael; Mechanical Engineering; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    Several works have been published on the concentration of solar radiation by mirrors and lenses onto smaller sized solar panels, which reduce cost and increase conversion efficiency at higher concentration ratio. One of the challenges in this technology is active and uniform cooling of high heat flux solar arrays, because conversion efficiency is dependent on device temperatures and drops with increase in temperature. This research is targeted at cooling small, high concentrated solar cells. Benefits of manifold microchannel are attractive for cooling of electronic devices but have not been studied for cooling of high concentrated solar cells which is the target of this thesis, where the microchannel can be microfabricated and etched on the backside of the silicon solar cell to form a sealed heat sink with the manifold fabricated in the silicon substrate. This design minimizes the pressure drop, and also maximizes the heat transfer on the device.