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A comparison of pulsed flow timescales within a turbine stage


Reference:

Copeland, C., Newton, P., Martinez-Botas, R. and Seiler, M., 2012. A comparison of pulsed flow timescales within a turbine stage. In: 10th IMECHE International Conference on Turbochargers and Turbocharging, 2012-05-15 - 2012-05-16, London.

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Abstract

Most modern turbocharger turbines are driven by a highly pulsating flow generated at the exhaust valve of an internal combustion engine. The amplitude and frequency of the exhaust pulses can influence the performance of the turbine when compared to steady state operation. It is useful to seek to simplify the problem of unsteadiness such that greater understanding may result. This paper uses a combination of experimental and computational results to study the various timescales associated with pulsed turbine operation. The effect of pulse amplitude and frequency on the unsteady flow in the volute and rotor is discussed.

Details

Item Type Conference or Workshop Items (Paper)
CreatorsCopeland, C., Newton, P., Martinez-Botas, R. and Seiler, M.
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
RefereedYes
StatusPublished
ID Code32212

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