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Johansson Bengt. Partially Premixed Combustion, PPC, for high fuel efficiency engine operation

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Division of Combustion Engines, Department of Energy Sciences, Lund University, 2005?. — 25 р.
Summary:
Path to high efficiency gasoline engine
Lean HCCI in three engines, 0.3‐2 l/cyl
– 50‐54% thermal efficiency
PPC in Volvo Cars diesel engine, 0.5l/cyl
– 56% thermal efficiency, 51% indicated
PPC in Scania, 2 l/cyl, 17:1
– 57% indicated efficiency
Scania diesel engine running on gasoline
Path to high efficiency gasoline engine
Energy flow in an IC engine
HCCI benchmark tests
Thermodynamic efficiency
All four efficiencies
Problem with HCCI: Too fast combustion
Partially Premixed Combustion, PPC
Effect of EGR with diesel fuel
PPC with low cetane diesel
Volvo D5 with Gasoline
Efficiencies & Emissions
Experimental setup, Scania D12
Two test series, high and low compression ratio
Injection Strategy
Running Conditions
Efficiencies
Emissions

Language: English
Commentary: 822392
Tags: Транспорт;Двигатели внутреннего сгорания (ДВС)