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Experimental Analysis of a Kinetic Energy Recovery System Intended for Small and Medium Passenger Cars

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Power Transmissions

Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 13))

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Abstract

This article presents experimental tests on kinetic energy recovery system (KERS) intended for small and medium passenger cars. The test rig is composed of an electric motor, a two stage timing belt drive and a high speed flywheel. The evolution of the rotation speed was measured using a speed sensor mounted on the flywheel. The flywheel rotation speed was measured during the first minute of deceleration and the total friction torque was obtained. The measurements were taken for three different maximal speeds of the flywheel. The friction torque on the deep groove ball bearings was computed and hence the percentage of the total friction torque was obtained. It is found that the flywheel presents low friction torque and it is capable to maintain the stored energy for a sufficient period of time in order to give it back to the wheels or to slowly store it to an electrical storage system.

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Abbreviations

E :

Stored energy of the flywheel

I :

Moment of inertia of the flywheel

M :

Torque on the flywheel shaft

n :

Rotation speed of the flywheel

t :

Time

ω :

Angular rotation speed of the flywheel

M bb :

Frictional torque of the deep groove ball bearings

M rr :

Rolling frictional moment of the deep groove ball bearings

M sl :

Sliding frictional moment of the deep groove ball bearings

M seal :

Frictional moment of the seals of the deep groove ball bearings

M drag :

Frictional moment of drag losses, churning, splashing, etc. of the deep groove ball bearings

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Acknowledgments

Financial support for the study described in this article was provided by the Sectoral Operational Programme Human Resources Development 2007–2013 of the Romanian Ministry of Labour, Family, and Social Protection POSDRU/89/1.5/S/62557.

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Authors and Affiliations

  1. Department of Machine Elements and Tribology, Faculty of Mechanical Engineering and Mechatronics, University Politehnica of Bucharest, splaiul Independenţei 313, sector 6, 060042, Bucharest, Romania

    Tiberiu Laurian & Victor G. Marian

  2. Department of Heat Engineering, Engines, Thermal and Cooling Equipments, Faculty of Mechanical Engineering and Mechatronics, University Politehnica of Bucharest, splaiul Independenţei 313, sector 6, 060042, Bucharest, Romania

    Tudor Prisecaru

Authors
  1. Tiberiu Laurian
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  2. Victor G. Marian
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  3. Tudor Prisecaru
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Corresponding author

Correspondence to Tiberiu Laurian .

Editor information

Editors and Affiliations

  1. , Machine Elements and Tribology, University Politehnica of Bucharest, Splaiul Independentei 313, Bucharest, 060042, Romania

    George Dobre

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Laurian, T., Marian, V.G., Prisecaru, T. (2013). Experimental Analysis of a Kinetic Energy Recovery System Intended for Small and Medium Passenger Cars. In: Dobre, G. (eds) Power Transmissions. Mechanisms and Machine Science, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6558-0_26

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  • DOI: https://doi.org/10.1007/978-94-007-6558-0_26

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-6557-3

  • Online ISBN: 978-94-007-6558-0

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