Research on Working Process Simulation Model of Hydraulic Free-piston Engine

WU Wei;YUAN Shi-hua;JING Chong-bo;GUO Kai

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2011, Vol. 32 ›› Issue (9) : 1059-1064. DOI: 10.3969/j.issn.1000-1093.2011.09.004
Paper

Research on Working Process Simulation Model of Hydraulic Free-piston Engine

  • WU Wei, YUAN Shi-hua, JING Chong-bo, GUO Kai
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Abstract

To establish working process simulation model of a single piston hydraulic free-piston engine, its basic feature is presented. Based on the theories of thermodynamics, hydromechanics and dynamics, its mathematical representations for the steady state working process are investigated. The simulation results are verified experimentally. The results show that the mathematical model considered the mechanical components dynamics of the hydraulic system achieves high precision. The simulated piston dynamics, cylinder gas pressure and hydraulic pressures are reliable. The model is propitious for the parameter design and optimization of the engine.

Key words

turn and control of fluid / free-piston engine / dynamic model / experiment / hydraulic equipment

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WU Wei, YUAN Shi-hua, JING Chong-bo, GUO Kai. Research on Working Process Simulation Model of Hydraulic Free-piston Engine. Acta Armamentarii. 2011, 32(9): 1059-1064 https://doi.org/10.3969/j.issn.1000-1093.2011.09.004

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