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Open-cycle ocean thermal energy conversion (OTEC) research: progress summary and a design study

Conference ·
OSTI ID:6283690
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In 1980, the Westinghouse Corporation completed an extensive Claude open-cycle ocean thermal energy conversion (OC-OTEC) system design study. Since that time, the Solar Energy Research Institute (SERI) has produced concepts and data bases that have reduced the technical uncertainties associated with the evaporator and condenser design and performance, seawater sorption kinetics and gas removal systems, low pressure turbine design with novel materials, and low cost system containment and structural design. This paper describes an integrated system design case study using the improved data base and summarizes an assessment of the relative thermodynamic performance of advanced technologies, drawing parallels with Claude's early work in the 1930s. Projections from these latest advances imply that OC-OTEC systems can be cost effective in sizes less than 10 MW/sub e/. Analyzing the research needs for OC-OTEC systems reveals that an experimental facility integrating all essential components of a system is required. This paper describes a facility for conducting advanced research and verifying cycle feasibility in terms of performance, reliability, and cost. The thermodynamic performance of this integrated design is projected using an analytical system model incorporating the highly coupled component interactions.
Research Organization:
Solar Energy Research Inst., Golden, CO (USA)
DOE Contract Number:
AC02-83CH10093
OSTI ID:
6283690
Report Number(s):
SERI/TP-252-2331; CONF-841201-20; ON: DE85000504
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140800* -- Solar Energy-- Ocean Energy Systems
CONDENSERS
CONVERSION
DESIGN
ECONOMICS
ENERGY CONVERSION
EVAPORATORS
MACHINERY
OCEAN THERMAL ENERGY CONVERSION
OPEN-CYCLE SYSTEMS
RESEARCH PROGRAMS
SOLAR ENERGY CONVERSION
SYSTEMS ANALYSIS
TURBINES
TURBOMACHINERY