Emissions and total energy consumption of a multicylinder piston engine running on gasoline and a hydrogen-gasoline mixture
Technical Report
·
OSTI ID:7298974
A multicylinder reciprocating engine was used to extend the efficient lean operating range of gasoline by adding hydrogen. Both bottled hydrogen and hydrogen produced by a research methanol steam reformer were used. These results were compared with results for all gasoline. A high-compression-ratio, displacement production engine was used. Apparent flame speed was used to describe the differences in emissions and performance. Therefore, engine emissions and performance, including apparent flame speed and energy lost to the cooling system and the exhaust gas, were measured over a range of equivalence ratios for each fuel. All emission levels decreased at the leaner conditions. Adding hydrogen significantly increased flame speed over all equivalence ratios.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
- OSTI ID:
- 7298974
- Report Number(s):
- N-77-23114; NASA-TN-D-8487; E-9105
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
08 HYDROGEN
080600 -- Hydrogen-- Industrial & Commercial Use-- (-1989)
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320200* -- Energy Conservation
Consumption
& Utilization-- Transportation
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
DISPERSIONS
ENERGY CONSUMPTION
ENGINES
EXHAUST GASES
FUEL CONSUMPTION
FUELS
GASEOUS WASTES
GASOLINE
HYDROGEN FUELS
INTERNAL COMBUSTION ENGINES
MIXTURES
PERFORMANCE TESTING
PETROLEUM PRODUCTS
SYNTHETIC FUELS
TESTING
WASTES
080600 -- Hydrogen-- Industrial & Commercial Use-- (-1989)
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320200* -- Energy Conservation
Consumption
& Utilization-- Transportation
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
DISPERSIONS
ENERGY CONSUMPTION
ENGINES
EXHAUST GASES
FUEL CONSUMPTION
FUELS
GASEOUS WASTES
GASOLINE
HYDROGEN FUELS
INTERNAL COMBUSTION ENGINES
MIXTURES
PERFORMANCE TESTING
PETROLEUM PRODUCTS
SYNTHETIC FUELS
TESTING
WASTES