Emission reductions through precombustion chamber design in a natural gas, lean burn engine

Journal Article · Wed Jul 01 00:00:00 EDT 1992 · Journal of Engineering for Gas Turbines and Power; (United States)

DOI:https://doi.org/10.1115/1.2906612· OSTI ID:7124543

Crane, M E; King, S R ^[1]

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1. Southwest Research Inst., San Antonio, TX (United States)

A study was conducted to evaluate the effects of various precombustion chamber design, operating and control parameters on the exhaust emissions of a natural gas engine. Analysis of the results showed that engine-out total hydrocarbons and oxides of nitrogen (NO[sub x]) can be reduced, relative to conventional methods, through prechamber design. More specifically, a novel staged prechamber yielded significant reductions in NO[sub x] and total hydrocarbon emissions by promoting stable prechamber and main chamber ignition under fuel-lean conditions. Precise fuel control was also critical when balancing low emissions and engine efficiency (i.e., fuel economy). The purpose of this paper is to identify and explain positive and deleterious effects of natural gas prechamber design on exhaust emissions.

• OSTI ID: 7124543
• Journal Information: Journal of Engineering for Gas Turbines and Power; (United States), Vol. 114:3; ISSN 0742-4795
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
03 NATURAL GAS
AIR POLLUTION CONTROL
PLANNING
COMBUSTION CHAMBERS
DESIGN
DUAL-FUEL ENGINES
EXHAUST SYSTEMS
NATURAL GAS
COMBUSTION
HYDROCARBONS
NITROGEN OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
CONTROL
ENERGY SOURCES
ENGINES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
NITROGEN COMPOUNDS
ORGANIC COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
THERMOCHEMICAL PROCESSES
330700* - Advanced Propulsion Systems- Emission Control
330800 - Emission Control- Alternative Fuels
034000 - Natural Gas- Combustion
030800 - Natural Gas- Environmental Aspects