Assessment of a water-cooled gas-turbine concept
Journal Article
·
· Combustion; (United States)
OSTI ID:5195035
A General Electric Co. program, sponsored by the Electric Power Research Institute, to develop ultra-high-temperature water-cooled turbine technology, led to the design of a turbine with a heat rate of 7175 Btu/kW-hr (high heating value) in a combined cycle, significantly lower than those of an advanced air-cooled turbine in a combined cycle, a coal-fired steam plant, or an advanced coal-fired steam plant. When used in conjunction with a coal-gasification plant, the water-cooled high-thermal-efficiency turbine has a heat rate of 8420 Btu/kW-hr, considerably less than even the advanced coal-fired steam plant. The low metal temperature of the water-cooled turbine provides wide flexibility in the choice of fuels, including those containing highly corrosive materials (coal or residual oil), which reduces the cost and energy associated with fuel-treatment facilities. The design and operation of the ultra-high-temperature water-cooled gas turbine are described in detail.
- OSTI ID:
- 5195035
- Journal Information:
- Combustion; (United States), Journal Name: Combustion; (United States) Vol. 47:10; ISSN COMBA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200101* -- Fossil-Fueled Power Plants-- Cooling & Heat Transfer Equipment & Systems
COMBINED-CYCLE POWER PLANTS
COOLING SYSTEMS
DESIGN
GAS TURBINES
HYDROGEN COMPOUNDS
MACHINERY
OPERATION
OXYGEN COMPOUNDS
POWER PLANTS
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY
VERY HIGH TEMPERATURE
WATER
200101* -- Fossil-Fueled Power Plants-- Cooling & Heat Transfer Equipment & Systems
COMBINED-CYCLE POWER PLANTS
COOLING SYSTEMS
DESIGN
GAS TURBINES
HYDROGEN COMPOUNDS
MACHINERY
OPERATION
OXYGEN COMPOUNDS
POWER PLANTS
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY
VERY HIGH TEMPERATURE
WATER