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Abstract
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Article Information:
Energy Recovery Efficiency of Flow-coupled Flywheel Vehicle
Xin Yang
Corresponding Author: Xin Yang
Submitted: December 09, 2011
Accepted: January 21, 2012
Published: September 01, 2012 |
Abstract:
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In this study a flow-coupled flywheel vehicle was proposed and its energy recovery efficiency was
discussed. This new kind of flywheel vehicle has simpler configuration, fewer components and easier control
method. And it was confirmed that this system had enough capability to recover vehicle kinetic energy that
might otherwise be lost as heat during braking. Then, more attentions were paid to initial speed of recovery
flywheel and displacement ratio of variable displacement pump/motor that influenced recovery efficiency of
the proposed hybrid vehicle. Experimental results show that the maximum recovery efficiency will amount to
about 82%. It is also significant to point out that in order to improve recovery efficiency, the displacement size
of variable displacement pump/motor is required so as to make it operates as maximum displacement and the
initial speed of the recovery flywheel is limited at a suitable scope (about 1000~3000 rpm) with regard to the
windage and axial loss and the amount of energy storage. Hence, it is indicated that this type of hybrid vehicle
can be as an optional configuration to widely use in hybrid vehicle.
Key words: Displacement ratio, energy recovery efficiency, flow couple, flywheel vehicle, flywheel energy storage, ,
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Abstract
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Cite this Reference:
Xin Yang, . Energy Recovery Efficiency of Flow-coupled Flywheel Vehicle. Research Journal of Applied Sciences, Engineering and Technology, (17): 2905-2910.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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