Fluid damping clearance in a control valve of injector

doi:10.1007/s11465-007-0075-x

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Front. Mech. Eng. ›› 2007, Vol. 2 ›› Issue (4) : 439-441. DOI: 10.1007/s11465-007-0075-x

Fluid damping clearance in a control valve of injector

ZHANG Jianming¹, ZHANG Weigang¹, YANG Bing¹, WANG Yawei²

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Abstract

A force model of a control valve of injector is set up, and the changes of the fluid damping clearance are investigated on the basis of the results of the computational fluid dynamics (CFD) and the experiments of control valve of injector. Results indicate that a damping clearance of 0.02–0.03 mm between the poppet and the valve guide is the most sufficient to dampen any excessive control valve poppet bouncing.

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ZHANG Jianming, ZHANG Weigang, YANG Bing, WANG Yawei. Fluid damping clearance in a control valve of injector. Front. Mech. Eng., 2007, 2(4): 439‒441 https://doi.org/10.1007/s11465-007-0075-x