1977-02-01

The Influence of Combustion with Pressure Exchange on the Performance of Heat Balanced Internal Combustion Engines 770120

The heat balanced or combined cycle engine with time dependent combustion sustained by two chamber geometry is demonstrated experimentally. Evidence of time dependent heat addition is given where combustion creates a field of pressure waves sustained by pressure exchange between two chambers.The basic cycle and operating characteristics are reviewed and experimental results with CFR and glass-walled engines demonstrate the engine characteristic as compared to OTTO engines. Improvements in thermal efficiency over the OTTO engine in excess of 45% are demonstrated in some operating regimes. Considerable reduction in peak pressure and exhaust emission are also demonstrated.

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