An Engine System Approach to Exhaust Waste Heat Recovery - EERE
An Engine System Approach to Exhaust Waste Heat Recovery - EERE
An Engine System Approach to Exhaust Waste Heat Recovery - EERE
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Technical Progress – HP Turbine +2%Technology 1 – Radial, Nozzled, Divided (RND) Turbine• High efficiency turbine wheel• Nozzled and divided turbine housingOn-<strong>Engine</strong> Test Results: Single-stage turbo HPL EGR engineBSFC BSFC - % ∆ - Improvement RND vs Base Radial with RND TurbineTurbine3000.0Response Testing3.5+402500.02000.0<strong>Engine</strong> LoadLOAD1500.01000.0500.03.01.72.22.21.31.01.61.10.40.0900 1100 1300 1500 1700 1900 2100SPEED<strong>Engine</strong> Speed2.5TIME (sec)Response Time33521.510.530% improvement in response00800 1000 1200 1400 1600 1800 2000<strong>Engine</strong> SpeedENGINE SPEED (rpm)BslnRND30252015105Peak Smoke Opacity, %SmokeCaterpillar Non-ConfidentialDurability testing underway• Successful completion of nozzle ring thermal cycle test
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