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2012 (Vol. 4, Issue: 17)
Article Information:

Energy Recovery Efficiency of Flow-coupled Flywheel Vehicle

Xin Yang
Corresponding Author:  Xin Yang 

Key words:  Displacement ratio, energy recovery efficiency, flow couple, flywheel vehicle, flywheel energy storage, ,
Vol. 4 , (17): 2905-2910
Submitted Accepted Published
December 09, 2011 January 21, 2012 September 01, 2012

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.
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  Cite this Reference:
Xin Yang, 2012. Energy Recovery Efficiency of Flow-coupled Flywheel Vehicle.  Research Journal of Applied Sciences, Engineering and Technology, 4(17): 2905-2910.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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