Abstract
An electrically assisted turbocharger is an advanced boosting technology that enhances the overall performance and reduces emissions of downsized engines. This paper investigates the effect of electric turbo assist [ETA] technology on a heavy duty, on-road diesel engine during steady state operation using a GT-Power 1-D engine simulation model. Two key findings have been observed: [1] Increasing assisting power at fixed torque, AFR and EGR rate values, leads to a reduction in pumping work, enhanced engine efficiency and reduced compressor mass flow, pressure ratio and turbocharger shaft speed. [2] Contrary to expectations, a fuel economy benefit was observed whilst assisting the turbocharger during high engine speed/full load operation and recovering energy at relatively low engine speeds and loads.
Original language | English |
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Title of host publication | The 12th International Conference on Turbochargers and Turbocharging |
Place of Publication | London |
Publisher | Institution of Mechanical Engineers |
Number of pages | 11 |
ISBN (Print) | 9780957237476 |
Publication status | Published - 17 May 2016 |
Event | 12th International Conference on Turbochargers and Turbocharging - The Kia Oval, Londond, United Kingdom Duration: 17 May 2016 → 18 May 2016 Conference number: 12 https://events.imeche.org/ViewEvent?code=C6231 (Link to Conference Details) |
Conference
Conference | 12th International Conference on Turbochargers and Turbocharging |
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Country/Territory | United Kingdom |
City | Londond |
Period | 17/05/16 → 18/05/16 |
Internet address |
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