1979-02-01

RESULTS OF MATCHING CALCULATIONS FOR TURBOCHARGED AND COMPOUND ENGINES WITH REDUCED HEAT LOSS 790824

The paper describes the results of matching calculations showing the effect of reduced heat loss on the interaction between an engine and the turbomachinery components. The engine used is the Perkins 6.354 six cylinder engine with low compression ratio pistons. Results are shown over a speed range between 1000-2500 rev/min for both simple turbocharged and turbocharged compound engines in either standard form or with 50% heat suppression, the effect on engine only performance being based on the results of the detailed cycle analysis described in Paper I.
The results show that compounding increases the efficiency by a significant margin, while the effect of heat suppression on engine efficiency alone is relatively small.

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