New combustion system of the IDI (indirect injection) diesel engine
Technical Report
·
OSTI ID:7083233
Increasing the degree of constant-volume heat release, combustion efficiency, and reducing the heat losses are of utmost importance for improving the fuel economy of indirect injection (IDI) diesel engine. The authors closely analyzed the flow characteristics of the jet passage and the jet in the main chamber, and successfully devised a new combustion system which features a refined jet passage. The new combustion system offers the optimum discharge coefficient of the jet passage and improved diffusion and penetration of the jet in the main chamber. Installed in a Mitsubishi S4E2 diesel engine (swirl-chamber system and four cylinders of 98 mm bore and 98 mm stroke each) and tested, the new combustion system was proven to reduce the engine's fuel consumption, smoke emission, and noise.
- Research Organization:
- Mitsubishi Heavy Industries Ltd., Tokyo (Japan)
- OSTI ID:
- 7083233
- Report Number(s):
- PB-87-130613/XAB
- Country of Publication:
- United States
- Language:
- English
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