Thermo-flow characteristics and air flow field leading of the air-cooled condenser cell in a power plant View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2011-09

AUTHORS

WanXi Zhang, LiJun Yang, XiaoZe Du, YongPing Yang

ABSTRACT

Special A-frame geometry of the air-cooled condenser cell and the complicated flow field at the exit of the axial flow fan bring on the air mal-distribution on the surface of the finned tube bundles and the deteriorated thermo-flow performances of a condenser cell. It is of benefit to the design and operation optimization of the direct dry cooling system in a power plant to investigate the thermo-flow characteristics of the condenser cell and propose the flow leading measures of cooling air. On the basis of the representative configuration of the air-cooled condenser cell in a 600 MW direct dry cooling power plant, the computational models of the air side fluid and heat flows are built, in which the actual fan blade geometric details are considered. Various flow field leading ways of cooling air are presented and the thermo-flow characteristics in the A-frame condenser cell and through the finned tube bundles are compared. Results show that the flow field leading measures can result in the increased volumetric flow rate and heat rejection, thus bringing on the improved performance of the condenser cell. The improvement of thermo-flow performances depends upon the geometric details of the flow guiding device. More... »

PAGES

2475

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11431-011-4492-z

DOI

http://dx.doi.org/10.1007/s11431-011-4492-z

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https://app.dimensions.ai/details/publication/pub.1015251372


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