Effect of High Pressure Fuel Pipe Structure on Performance of Electronic Unit Pump Fuel System

doi:10.3969/j.issn.1000-1093.2016.10.003

Abstract

Abstract: An one-dimensional hydrodynamic simulation model of electronic unit pump fuel system is established using AMESIM software, and the experimental verification is made for the proposed model. The effects of length, inner diameter and roughness high pressure fuel pipe structure on oil supply pressure, injection pressure and fuel injection quantity of electronic unit pump fuel system are analyzed through numerical simulation. The simulated results show that the structural change in high pressure fuel pipe leads to high pressure volume, flow resistance，throttling loss and dissipation of system, which affect the performance of fuel system. Irregular change in system performance would appear if the high pressure fuel pipe is too long or its inner diameter is too small.

Key words: ordnance science and technology, electronic unit pump, high pressure fuel pipe, high pressure volume, hydrodynamic simulation

CLC Number:

TK421⁺.4

LYU Xiao-chen， LI Guo-xiu， SUN Zuo-yu， GAO Qing-xiu ， WANG Jie， HE Shuang-yi， CUI Sui-xian. Effect of High Pressure Fuel Pipe Structure on Performance of Electronic Unit Pump Fuel System[J]. Acta Armamentarii, 2016, 37(10): 1778-1787.

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