GEOTHERMAL TECHNOLOGIES LEGACY COLLECTION - Bibliographic Citation


Bibliographic Citation


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Title: Hybrid Cooling for Geothermal Power Plants: Final ARRA Project Report
Creator/Author: Bharathan, D.
Publication Date:2013 Jun 01
OSTI Identifier:OSTI 1086347
Report Number(s):NREL/TP-5500-58024
DOE Contract Number:AC36-08GO28308
Document Type:Technical Report
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Research Org:National Renewable Energy Laboratory (NREL), Golden, CO.
Sponsoring Org:USDOE Office of Energy Efficiency and Renewable Energy Geothermal Technologies Program
Subject:15 GEOTHERMAL ENERGY
Keywords:AIR-COOLED CONDENSERS; POWER PLANT COOLING; BINARY-CYCLE; FINNED-TUBE; HEAT TRANSFER; NEVADA; ORMAT; Geothermal Energy
Description/Abstract:Many binary-cycle geothermal plants use air as the heat rejection medium. Usually this is accomplished by using an air-cooled condenser (ACC) system to condense the vapor of the working fluid in the cycle. Many air-cooled plants suffer a loss of production capacity of up to 50% during times of high ambient temperatures. Use of limited amounts of water to supplement the performance of ACCs is investigated. Deluge cooling is found to be one of the least-cost options. Limiting the use of water in such an application to less than one thousand operating hours per year can boost plant output during critical high-demand periods while minimizing water use in binary-cycle geothermal power plants.
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Country of Publication:US
Language:English
Size/Format:Medium: ED; Size: 32 pp.
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System Entry Date:2013 Jul 08
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