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  • A numerical model for the analyses of heat transfer and leakages in a rotary air preheater
    Drobnič, Boštjan ; Oman, Janez, 1947-2011 ; Tuma, Matija
    Air preheaters make a considerable contribution to the improved overall efficiency of fossil-fuel-fired power plants. In this study we used a combination of fluid dynamics and a newly developed ... three-dimensional numerical model for heat transfer as the basis for a theoretical analysis of arotary air preheater. The model enables studies of the flue-gas flow through the preheater and the adjoining channels as well as the regenerative heat transfer and the resulting temperature distribution in the matrix of the preheater. Special attention was focused on the influences of leakages on the flue-gas parameters in the preheater. The numerical analysis and the experimental results showed an obvious dependence of the flue-gas parameters on various seal settings. Based on the results a method for online monitoring of the tightness of the radial seals is proposed.
    Source: International journal of heat and mass transfer. - ISSN 0017-9310 (Letn. 49, št. 25/26, 2006, str. 5001-5009)
    Type of material - article, component part
    Publish date - 2006
    Language - english
    COBISS.SI-ID - 9621275

    Link(s):

    http://dx.doi.org/10.1016/j.ijheatmasstransfer.2006.05.027

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