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Implementing results of exergy analysis in steam turbine power plants
Published in Research India Publications
2015
Volume: 10
   
Issue: 12
Pages: 32113 - 32123
Abstract
Energy and Exergy analysis give us important information which is helpful in improving the performance of a power plant. However, energy analysis does not emphasize on its quality while exergy analysis does. This paper briefly reviews the energy and exergy analysis carried out in various steam turbine power plants and summarizes the findings of those studies. Most studies suggest that maximum exergy destruction takes place during the combustion process and also during the heat transfer process. However, very few studies make constructive suggestions about the further course of action needed to improve the plant performance. Moreover, the suggestions made are not practically verified in most cases. Hence, this paper attempts to consolidate all the suggestions that have been made to implement the findings of the exergy analyses in steam turbine power plants. The suggestions are put together under the heads of (i) Low cost, (ii) Combustion related, (iii) Heat transfer related and (iv) Other sources of improvements. From the results, it is understood that largest scope for improvement lies in the areas of combustion and heat transfer even though the technology to improve may not be available in every aspect. More pragmatic suggestions include sliding pressure control instead of constant pressure operation at part loads. © Research India Publications.
About the journal
JournalInternational Journal of Applied Engineering Research
PublisherResearch India Publications
ISSN09734562