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Accession Number DE2012-1044219
Title Effect of Ambient Design Temperature on Air-Cooled Binary Plant Output.
Publication Date Oct 2011
Media Count 16p
Personal Author D. Wendt G. Mines
Abstract Air-cooled binary plants are designed to provide a specified level of power production at a particular air temperature. Nominally this air temperature is the annual mean or average air temperature for the plant location. This study investigates the effect that changing the design air temperature has on power generation for an air-cooled binary plant producing power from a resource with a declining production fluid temperature and fluctuating ambient temperatures. This analysis was performed for plants operating both with and without a geothermal fluid outlet temperature limit. Aspen Plus process simulation software was used to develop optimal air-cooled binary plant designs for specific ambient temperatures as well as to rate the performance of the plant designs at off-design operating conditions. Results include calculation of annual and plant lifetime power generation as well as evaluation of plant operating characteristics, such as improved power generation capabilities during summer months when electric power prices are at peak levels.
Keywords Air-cooled binary plant
Dew point
Electric power plants
Geothermal fluids
Geothermal resources

Source Agency Technical Information Center Oak Ridge Tennessee
NTIS Subject Category 97P - Geothermal Energy
97I - Electric Power Production
Corporate Author Idaho National Laboratory, Idaho Falls, ID.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1303
Contract Number DE-AC07-05ID14517

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