The effect of a ceramic trap on diesel particulate fractions
Conference
·
OSTI ID:5731216
A study of the Corning ceramic diesel particulate trap was conducted to investigate the trap's overall effect on diesel particulate fractions (soluble organic fraction, SOF; solid fraction, SOL; and sulfate fraction, SO/sub 4/) under four different engine loads at 1680 rpm. The trap was found to filter the SOL fraction most efficiently with the SOF and SO/sub 4/ fraction following in respective order. The filter efficiency of all fractions increased with increasing engine load. Graphs illustrating filter efficiency versus engine load indicate the slope of the SOF filter efficiency was smaller in magnitude than the TPM and SOL and SO/sub 4/ fractions, which had similar slopes. The different slope of the SOF filter efficiency indicates other influences may be involved with the reduction in the SOF through the trap. Particle size distribution measurements in diluted exhaust revealed particle formation downstream of the trap. The degree of particle formation was found to be dependent on both the dilute bulk stream SOL fraction and the hydrocarbon concentrations.
- Research Organization:
- Michigan Tech. Univ.
- OSTI ID:
- 5731216
- Report Number(s):
- CONF-860263-
- Country of Publication:
- United States
- Language:
- English
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·
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330102* -- Internal Combustion Engines-- Diesel
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSTRACTS
AIR POLLUTION MONITORING
CERAMICS
CHALCOGENIDES
COMPARATIVE EVALUATIONS
DIESEL ENGINES
DOCUMENT TYPES
DYNAMIC LOADS
EFFICIENCY
ENGINES
EXHAUST GASES
FILTERS
FLUIDS
GASEOUS WASTES
GASES
GRAPHS
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LEADING ABSTRACT
MEETINGS
ORGANIC COMPOUNDS
ORGANIC WASTES
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PARTICLES
PARTICULATES
QUANTITY RATIO
SIZE
SULFUR COMPOUNDS
SULFUR OXIDES
WASTES
330102* -- Internal Combustion Engines-- Diesel
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSTRACTS
AIR POLLUTION MONITORING
CERAMICS
CHALCOGENIDES
COMPARATIVE EVALUATIONS
DIESEL ENGINES
DOCUMENT TYPES
DYNAMIC LOADS
EFFICIENCY
ENGINES
EXHAUST GASES
FILTERS
FLUIDS
GASEOUS WASTES
GASES
GRAPHS
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LEADING ABSTRACT
MEETINGS
ORGANIC COMPOUNDS
ORGANIC WASTES
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PARTICLES
PARTICULATES
QUANTITY RATIO
SIZE
SULFUR COMPOUNDS
SULFUR OXIDES
WASTES