Extended performance of alcohol fumigation in diesel engines through different multipoint alcohol injection timing cycles
This paper reports on the results of using multipoint port injection alcohol fumigation of a four-cycle turbocharged diesel engine in which the fumigation injection cycle was varied. The three cycles, dual with one-half of the alcohol injection on each engine revolution, single with all of the alcohol injection during the open intake valve revolution, and single with all of the alcohol injected during the closed intake valve revolution, lead to significant differences in the engines pressure-volume history and alcohol energy replacement tolerance. The engine was fumigated with both industrial grade ethanol and methanol and complete performance and emissions data (excluding aldehydes) were measured at low, medium, and high values of BMEP and rpm.
- Research Organization:
- Dept. of Mechanical and Industrial Engineering, Univ. of Illinois at Urbana-Champaign, Urbana, IL
- OSTI ID:
- 6875253
- Report Number(s):
- CONF-861041-
- Country of Publication:
- United States
- Language:
- English
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CHEMICAL ANALYSIS
COLLOIDS
CONTROL EQUIPMENT
DIESEL ENGINES
DISPERSIONS
ELEMENTS
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ENGINES
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HEAT ENGINES
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METALS
PERFORMANCE
PRESSURE DEPENDENCE
QUANTITATIVE CHEMICAL ANALYSIS
SOLS
SYNTHETIC FUELS
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VOLUMETRIC ANALYSIS