AGT-102 automotive gas turbine. Summary report

Technical Report · Mon Jun 01 00:00:00 EDT 1981

OSTI ID:5697159

Ultimate program goals were to demonstrate at least a 30 percent fuel economy improvement over a comparable SI reciprocating engine, operation within .41 HC, 3.4 CO, and .40 NO/sub x/ grams per mile emissions levels, and the ability to use a variety of alternate fuels. The powertrain concept consists of a single-shaft engine with a ceramic inner shell for containment of hot gases and support of twin regenerators. It uses a fixed-geometry, lean, premixed, prevaporized combustor, and a ceramic radial turbine rotor supported by an air-lubricated journal bearing. The engine is coupled to the vehicle through a wide-range continuously-variable transmission (CVT), which utilizes gearing and a variable-ratio metal compression belt. A response assist flywheel (RAF) is used to achieve acceptable levels of engine response. The package offers a 100 lb weight advantage in a Chrysler K Car front-wheel-drive installation. Initial layout studies, preliminary transient thermal analysis, ceramic inner housing structural analysis, and detailed performance analysis were carried out for the basic engine. Detailed combustor characterization analytical studies were completed, and preliminary design work was accomplished for the regenerator, aerodynamic components, and the high-speed shaft system. Methods were developed for processing close-tolerance ceramic stationary parts, studies were carried out to characterize ceramic interfacing and brazing, and coatings were developed for the regenerator rubbing seal surface.

• Research Organization: Chrysler Corp., Detroit, MI (USA); Williams Research Corp., Walled Lake, MI (USA)
• DOE Contract Number: AC02-76CS52749
• OSTI ID: 5697159
• Report Number(s): DOE/NASA/2749-81/1; NASA/CR-165353; ON: DE83016119
• Resource Relation: Other Information: Portions are illegible in microfiche products
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
GAS TURBINE ENGINES
DESIGN
MECHANICAL TRANSMISSIONS
AUTOMOBILES
CERAMICS
COMBUSTORS
FLYWHEELS
REGENERATORS
THERMAL ANALYSIS
ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
MECHANICAL ENERGY STORAGE EQUIPMENT
VEHICLES
330103* - Internal Combustion Engines- Turbine