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三缸内燃式空气压缩机多工况可输出功率分析及动力学仿真

刘玉 张继忠 梁竞文

刘玉, 张继忠, 梁竞文. 三缸内燃式空气压缩机多工况可输出功率分析及动力学仿真[J]. 机械科学与技术, 2019, 38(11): 1682-1688. doi: 10.13433/j.cnki.1003-8728.20190221
引用本文: 刘玉, 张继忠, 梁竞文. 三缸内燃式空气压缩机多工况可输出功率分析及动力学仿真[J]. 机械科学与技术, 2019, 38(11): 1682-1688. doi: 10.13433/j.cnki.1003-8728.20190221
Liu Yu, Zhang Jizhong, Liang Jingwen. Output Power Analysis and Dynamics Simulation of Three-cylinder Internal Combustion Air Compressor[J]. Mechanical Science and Technology for Aerospace Engineering, 2019, 38(11): 1682-1688. doi: 10.13433/j.cnki.1003-8728.20190221
Citation: Liu Yu, Zhang Jizhong, Liang Jingwen. Output Power Analysis and Dynamics Simulation of Three-cylinder Internal Combustion Air Compressor[J]. Mechanical Science and Technology for Aerospace Engineering, 2019, 38(11): 1682-1688. doi: 10.13433/j.cnki.1003-8728.20190221

三缸内燃式空气压缩机多工况可输出功率分析及动力学仿真

doi: 10.13433/j.cnki.1003-8728.20190221
详细信息
    作者简介:

    刘玉(1994-), 硕士研究生, 研究方向为数字化设计及虚拟样机技术, 2017020893@qdu.edu.cn

    通讯作者:

    张继忠, 教授, 硕士生导师, zjzqdu@163.com

  • 中图分类号: TH457

Output Power Analysis and Dynamics Simulation of Three-cylinder Internal Combustion Air Compressor

  • 摘要: 针对传统内燃机驱动的活塞式空气压缩机工作过程中效率低的问题,设计了三缸内燃式空气压缩机原理方案,使其在输出气体压力能和驱动内燃机附属系统工作的基础上可额外提供一定的功率以带动机器外部的其他工作载荷。采用理论分析计算与仿真计算相结合的方法,研究得到了在不同油门开度和不同输出气压的工况下空气压缩机可输出功率的变化情况。基于虚拟样机技术建立了内燃式空气压缩机主体部分的动力学仿真模型,对其进行了动力学仿真分析,研究得到了特定工况下仿真模型运动特性和受力情况的数据,分析了计算结果和仿真结果的误差。
  • 图  1  主体部分机构原理图

    图  2  曲柄连杆机构简图

    图  3  曲柄连杆机构的转向速度多边形

    图  4  输出压力为0.6 MPa时可输出功率和油门开度的关系

    图  5  主体部分三维装配体模型

    图  6  52%油门开度时燃气压力样条曲线

    图  7  输出压力为0.6 MPa时压气力样条曲线

    图  8  主体部分多刚体动力学模型

    图  9  动力活塞位移曲线

    图  10  动力活塞速度曲线

    图  11  动力活塞加速度曲线

    图  12  曲轴转速曲线

    图  13  连杆大头端处的受力曲线

    图  14  连杆小头端处的受力曲线

    图  15  等效可输出外力矩图

    表  1  各工况下可输出功率PW kW

    油门开度/% 输出压力/MPa
    0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
    30 -0.012 9 -2.418 7 -3.619 1 -4.300 0 -4.692 3 -4.913 75 -5.032 06 -5.049 33
    35 1.152 4 -1.251 5 -2.453 8 -3.134 7 -3.527 0 -3.748 26 -3.866 57 -3.884 02
    40 2.294 3 -0.111 5 -1.312 1 -1.992 8 -2.385 2 -2.606 51 -2.724 82 -2.742 09
    45 3.412 0 1.006 3 -0.194 4 -0.875 1 -1.267 6 -1.488 83 -1.607 15 -1.624 42
    50 4.496 3 2.090 5 0.890 1 0.209 2 -0.183 2 -0.404 67 -0.522 80 -0.540 08
    55 5.556 8 3.151 3 1.950 6 1.269 8 0.877 6 0.656 12 0.537 81 0.520 53
    60 6.598 5 4.192 9 2.992 3 2.311 4 1.919 2 1.697 71 1.579 57 1.562 12
    65 7.624 4 5.218 8 4.018 2 3.337 3 2.945 0 2.723 60 2.605 46 2.588 01
    70 8.630 4 6.224 8 5.024 4 4.343 5 3.951 2 3.729 76 3.778 97 3.594 18
    75 9.615 8 7.210 2 6.009 4 5.328 7 4.936 4 4.714 99 4.596 85 4.579 58
    80 10.589 0 8.182 5 6.981 9 6.301 2 5.908 7 5.687 30 5.569 17 5.551 89
    85 11.537 1 9.132 1 7.931 4 7.250 7 6.858 4 6.636 93 6.518 80 6.501 35
    90 12.465 2 10.059 6 8.858 8 8.178 1 7.785 7 7.564 23 7.446 09 7.428 64
    95 13.379 8 10.972 6 9.772 9 9.092 0 8.699 7 8.478 43 8.360 12 8.342 67
    100 15.947 9 11.865 5 10.666 0 9.984 9 9.592 6 9.371 17 9.252 86 9.235 59
    下载: 导出CSV
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  • 收稿日期:  2019-01-21
  • 刊出日期:  2019-11-05

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