A unique graphite foam developed at the Oak Ridge National Laboratory and licensed to Poco Graphite, Inc., promises to allow for novel, more efficient heat exchanger designs. Because the foam has a very accessible surface area and is open celled the overall heat transfer coefficients of foam-based heat exchangers can be up to two orders of magnitude greater than conventional heat exchangers. The foam is mounted to an aluminium plate and placed in a cavity where the cooling fluid flows. The system is designed with no gap around the foam, thereby forcing the fluid to pass through the pores of the foam. The high conductivity graphite foam presents a unique solution to the increasing cooling demands of power electronics and other automotive components. With novel designs it is possible to eliminate cooling water and utilize air as the primary cooling fluid.


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    Title :

    Heat exchangers based on high thermal conductivity graphite foam


    Additional title:

    Wärmetauscher auf Basis von hoch wärmeleitfähigem Graphitschaum


    Contributors:
    Klett, J.W. (author) / Tee, C.C. (author) / Stinton, D.P. (author) / Yu, N.A. (author)


    Publication date :

    2000


    Size :

    2 Seiten, 6 Bilder



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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