Browse Publications Technical Papers 2002-01-2731
2002-10-21

Turbo-Hydraulic Engine Exhaust Power Recovery System 2002-01-2731

Recovery of energy normally lost in engine exhaust is an attractive way to increase overall engine efficiency. A turbo-hydraulic exhaust power recovery system offers high efficiency, high reliability and low overall system cost. Prime applications would be heavy-duty turbo-diesels with a displacement of 6 liters and above.
Based on years of operational experience with hydraulic turbine driven supercharging (H/S) systems, described in Ref. 1, 2 and 3, Kapich Engineering has studied a novel turbo-hydraulic exhaust power recovery system. The conclusion is that such system is economical and practical.
Potential for improving the net fuel consumption of heavy-duty turbo-diesel vehicles is estimated to be as high as 10%.

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