A set of experimental tests are presented on the effect of polymeric additives in water from the point of view of friction losses and heat transfer performance variations, in single passage, counter current, straight pipe heat exchangers. The tests performed on smooth, finned, and grooved pipes of different diameters show that the use of polymers in augmented surface heat exchangers is generally not advisable, but confirm also that thermal bus systems can take advantage from the use of drag reducing polymer solutions, provided accurate trade-off analyses are performed to get the best compromise between pressure losses and global heat transfer performances of the thermal loop.


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    Title :

    Experimental heat transfer of drag reducing polymer solutions in enhanced surface heat exchangers


    Additional title:

    Experimentelle Wärmeübertragung von Polymerlösungen zur Wirbelreduktion in Wärmetauschern mit verbesserter Oberfläche


    Contributors:
    Fosso, M. (author) / Tagliafico, L. (author)


    Publication date :

    1993


    Size :

    13 Seiten, 8 Bilder, 1 Tabelle, 18 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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