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Mathematical model and designing of recuperative heat exchangers for marine power installations

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Author(s): Shuraev Oleg Petrovich | Piskulin Vladislav Georgievich

Journal: Vestnik of Astrakhan State Technical University. Series: Marine Engineering and Technologies
ISSN 2073-1574

Issue: 2;
Start page: 169;
Date: 2013;
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Keywords: recuperative heat exchangers | heat transfer intensification | mathematical modeling | contamination of heat transfer surfaces | flow resistance | heat transfer.

ABSTRACT
A mathematical model of recuperative heat exchangers is considered. The experience of its use for designing a wide range of shell-tube and box heat exchangers with different types of heat transfer fluids is accumulated. The model has been adapted to calculate the heat exchanger with Field's tubes that allowed a creation of a compact and lightweight heat exchanger module. The model considers the impact on heat transfer intensification of different ways. The effect on the heat transfer of polluting sedimentations on the heating surfaces is also considered. The features of Mathcad software package for solving the system of equations of heat transfer are used. The model is widely used for designing and analyzing the heat exchangers in scientific researches, as well as in the educational process.
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