Numerical analysis of a waste heat recovery process with account of condensation of steam from flue gases

This paper presents modelling of the process of condensation of steam contained in flue gases in systems for waste heat recovery from flue gases. A one-dimensional, non-stationary mathematical model of a heat exchanger was described, and then numerical calculations for flue gases from the combustion...

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Bibliographic Details
Published in:Archives of Civil and Mechanical Engineering 2015-09, Vol.15 (4), p.1017-1023
Main Authors: Szulc, P., Tietze, T., Wójs, K.
Format: Article
Language:English
Subjects:
Civil Engineering
Condensation
Engineering
Flue gas
Heat exchangers
Lignite
Mathematical models
Mechanical Engineering
Numerical analysis
Original Research Article
Structural Materials
Waste heat recovery
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Summary:This paper presents modelling of the process of condensation of steam contained in flue gases in systems for waste heat recovery from flue gases. A one-dimensional, non-stationary mathematical model of a heat exchanger was described, and then numerical calculations for flue gases from the combustion of hard coal and brown coal were performed. The results were presented in the form of characteristics with temperature distributions along the axis of the condensing heat exchanger and the degree of cooling of flue gases.
ISSN:1644-9665
2083-3318
DOI:10.1016/j.acme.2015.05.002