Internal Technical Report, Heat Exchanger Sizing for 20 MW Geothermal Power Plants at MX Sites
This report presents the details of the analyses used to size the heaters, steam condenser, and working fluid condenser for a proposed 20 MW geothermal power plant application at MX sites in the southwest. These units would use a mixture of hydrocarbons (90% isobutane--10% n-hexane) to extract energy from moderate temperature resources (resource temperatures of 365 F, 400 F, and 450 F were considered). The working fluid will be maintained at supercritical pressures in the heater units. Studies have shown that this cycle will provide a significant net power increase over standard dual boiling single fluid cycles currently in use, e.g., the Raft River 5 MW pilot plant.
- Research Organization:
- Idaho National Engineering and Environmental Laboratory (INEEL), Idaho Falls, ID
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 896037
- Report Number(s):
- RE-A-81-068; EGG/ITR-81-04; TRN: US200703%%769
- Country of Publication:
- United States
- Language:
- English
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