Conversion of an existing gas turbine to an intercooled exhaust-heated coal-burning engine. Master's thesis
Technical Report
·
OSTI ID:5585705
An existing gas-turbine engine has been selected and modified on paper to accommodate an innovative, high-efficiency thermodynamic cycle. The modified Solar 5650 industrial gas turbine burns coal in an intercooled exhaust-heated cycle for power generation. This thesis focuses on the alterations that must be made to this off-the-shelf engine and their impact on the overall performance of the engine. The conversion process involves optimizing the exhaust-heated cycle to obtain peak thermal efficiency and near-maximum specific power. Three design changes are explored to optimize the intercooled exhaust-heated 5650 cycle. The alternatives include running the intercooled exhaust-heated 5650 at a slower speed with no turbomachinery modifications, running the engine at its design pressure ratio, or redesigning all of the turbomachinery. Each of these options and a cycle modification, increased turbine-inlet temperature, are measured on performance and life-cycle-cost bases. Sizing analysis for a rotary regenerator heat exchanger and combustor recommendations for the cycle are also included.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Ocean Engineering
- OSTI ID:
- 5585705
- Report Number(s):
- AD-A-245265/4/XAB; CNN: N00123-89-G-0580
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL-FIRED GAS TURBINES
COMBUSTION
COOLING
COST
DESIGN
EFFICIENCY
ENERGY SOURCES
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FOSSIL FUELS
FUELS
GAS TURBINE ENGINES
GAS TURBINES
HEAT ENGINES
HEAT EXCHANGERS
INTERNAL COMBUSTION ENGINES
LIFE-CYCLE COST
MACHINERY
MATERIALS
MODIFICATIONS
MOTION
OPTIMIZATION
OXIDATION
PERFORMANCE
POWER GENERATION
ROTATION
SIZING
THERMAL EFFICIENCY
THERMOCHEMICAL PROCESSES
THERMODYNAMIC CYCLES
TURBINES
TURBOMACHINERY
014000* -- Coal
Lignite
& Peat-- Combustion
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL-FIRED GAS TURBINES
COMBUSTION
COOLING
COST
DESIGN
EFFICIENCY
ENERGY SOURCES
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FOSSIL FUELS
FUELS
GAS TURBINE ENGINES
GAS TURBINES
HEAT ENGINES
HEAT EXCHANGERS
INTERNAL COMBUSTION ENGINES
LIFE-CYCLE COST
MACHINERY
MATERIALS
MODIFICATIONS
MOTION
OPTIMIZATION
OXIDATION
PERFORMANCE
POWER GENERATION
ROTATION
SIZING
THERMAL EFFICIENCY
THERMOCHEMICAL PROCESSES
THERMODYNAMIC CYCLES
TURBINES
TURBOMACHINERY