Effect of torch jet direction on combustion and performance of a prechamber spark-ignition engine

Conference · Thu Jan 01 04:00:00 EST 1987

OSTI ID:6513906

Ryu, H; Chtsu, A; Asanuma, T

To examine the effect of torch jet direction on the combustion characteristics and engine performances, a spark-ignition engine with each divided chamber having a torch nozzle of different flow direction is used by changing the torch nozzle area, prechamber volume and air-fuel ratio, while keeping the engine speed of 1000 rpm. Typical pressure diagrams for different torch jet directions are analyzed to obtain such combustion characteristics as the crank angles of combustion start and finish, heat release rate and mass burned fraction. The engine performances, e.g. mean effective pressure and specific fuel consumption, are also measured. As a result, it can be made clear not only the effect of torch jet direction on the combustion characteristics, but also the relationship between the combustion characteristics and the engine performances for different torch jet directions.

• Research Organization: Dept. of Mechanical Engineering, Tokai Univ.
• OSTI ID: 6513906
• Report Number(s): CONF-870204-
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMBUSTION
COMBUSTION CHAMBERS
COMBUSTION CONTROL
COMBUSTION KINETICS
CONTROL
ENERGY CONSUMPTION
ENERGY TRANSFER
ENGINES
FLAMES
FUEL CONSUMPTION
FUEL ECONOMY
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
FUEL-AIR RATIO
HEAT ENGINES
HEAT TRANSFER
INTERNAL COMBUSTION ENGINES
JETS
KINETICS
NOZZLES
OXIDATION
PERFORMANCE
PRESSURE MEASUREMENT
REACTION KINETICS
SPARK IGNITION ENGINES
THERMOCHEMICAL PROCESSES