11th International Conference on Turbochargers and by IMechE

By IMechE

The destiny marketplace forces and environmental concerns within the passenger motor vehicle and advertisement motor vehicle zone suggest extra stringent engine downsizing is much extra familiar. as a result, novel structures are required to supply boosting strategies together with hybrid, electric-motor and exhaust waste strength restoration platforms for prime potency, reaction, reliability, longevity and compactness.

The present emission law and environmental tendencies for decreasing CO2 and gasoline intake are the key industry forces within the land and marine shipping industries. the interior combustion engine is the foremost product and downsizing, potency and financial system are the using forces for improvement for either spark ignition (SI) and compression ignition (CI) engines in either markets. destiny marketplace forces and environmental concerns for transportation, in particular within the passenger vehicle, advertisement motor vehicle and the marine sectors suggest extra stringent engine downsizing.

This overseas convention is the most recent within the hugely winning and prestigious sequence held usually given that 1978. those complaints from the Institution's hugely winning and prestigious sequence tackle present and novel points of turbocharging structures layout, boosting ideas for engine downsizing and enhancements in potency, and current the newest examine and improvement during this turning out to be and leading edge zone.

  • Focuses on boosting ideas together with hybrid, electric-motor and exhaust waste strength restoration systems
  • Explores the present want for top potency, reliability, longevity and compactness in restoration systems
  • Examines what new platforms advancements are underway

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Additional info for 11th International Conference on Turbochargers and Turbocharging: 13-14 May 2014

Example text

Essentially the heavier and bulkier the vehicle, the larger engine loads, which increases the fuel saving potential of the low-temperature intercooling system. Further down-speeding will enable benefits in BSFC at lower vehicle velocities. Also, it should be considered that acceleration, head wind or uphill driving will put the engine in enriched operation mode at lower vehicle velocities than simulated here. 80 5500 Engine speed in min-1 Fig. 2 Increase of brake efficiency at full load During this trial, the test engine was operated at its nominal full load throughout the rpm-range.

Power 100 0 0 1000 2000 3000 ENGINE SPEED [rpm] 4000 5000 6000 50 ENGINE POWER [kW] ENGINE TORQUE [Nm] The UB engine was tested at full load conditions for a range of speeds going from 1000 rpm to 6000 rpm. The engine set up included the boosting components (HP and LP stage), EGR (Exhaust Gas Recirculation) control strategy and water cooled exhaust manifold. In Fig. 0L engine (Target Torque and Target Power). The figure shows that the UB engine meets the requirements for power and torque. The full load curves at high engine rpm have not been completed due to some issues which arose at the time of testing (even though a full sweep for power and torque is currently being done and it will be material for future publications).

8. 9. 10. 11. 12. 13. 298 Development of twin-entry scroll radial turbine for automotive turbochargers using unsteady numerical simulation T Yokoyama, T Hoshi, T Yoshida, K Wakashima Mitsubishi Heavy Industries, Ltd, Japan ABSTRACT In recent years, responding to growing interest in environmental issues, in particular many automotive technologies for fuel efficient vehicles and countermeasure to emission control have been developed actively. Among such technologies, turbochargers have been increasingly applied for downsizing of engines.

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