Browse Publications Technical Papers 2008-01-0322
2008-04-14

Combustion and Emission Characteristics of CNG Fuel inside CVC Chamber 2008-01-0322

This research aims to obtain fundamentals regarding overall combustion characteristics of pre-mixed and direct injected type CNG fuel inside a constant volume chamber.
A visualization technique was introduced to a constant volume chamber in order to investigate combustion and emission characteristics of premixed and direct injected type CNG fuel inside a constant volume chamber. The experiment on a premixed combustion was conducted by measuring constant pressure and emission and controlling speeds of a swirling motor and equivalence ratios in order to investigate swirling effects on flame propagation.
Faster combustion speed and higher combustion pressure were occurred in a direct injected type combustion even under the lean condition of the equivalence ratio 0.6 compared to premixed combustion.

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