Power Plant Energy and Exergy Analysis
Nowadays, there are some worries about the increasing temperature of earth and the pollution of fossil burning, hence using of new techniques in increasing power plant efficiency are very important. In this paper three structure layouts of turbine and power plant elements have been presented and The energy and the exergy losses for each component, energy and exergy efficiency of overall plant and irreversibility have also been determined using mass, energy and exergy balance equations. The energy and exergy analysis have been calculated in traditional and sub-system techniques namely boiler subsystem, steam cycle or thermal cycle subsystem and cooling tower subsystem. Results of exergy analysis in different steam power plants show that the major source of exergy destruction is the boiler. Suitable power plant design and its energy and exergy efficiency will be presented to client, till to support project and have capital investment on it. In this paper, in addition to suggested proportional power plant designs, the technical suggestions have been also presented to increase the power plant efficiencies.
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