• Chinese Journal of Ship Research
  • Vol. 16, Issue 2, 176 (2021)
Zhiqiang ZHAO1, Jiarui ZHANG2, Chiheng LUO1, Baozhu JIA1, and Liantong AN1
Author Affiliations
  • 1Maritime College, Guangdong Ocean University, Zhanjiang 524088, China
  • 2College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063210, China
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    DOI: 10.19693/j.issn.1673-3185.01883 Cite this Article
    Zhiqiang ZHAO, Jiarui ZHANG, Chiheng LUO, Baozhu JIA, Liantong AN. AVL BOOST-based typical fault simulation and data analysis of marine diesel engine[J]. Chinese Journal of Ship Research, 2021, 16(2): 176 Copy Citation Text show less
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    参数数值参数数值
    有效功率/ kW3 575气缸发火顺序1-4-3-2-5
    转速/(r·min−1)142气缸个数5
    缸径/ mm350气缸排列直列
    冲程/ mm1 550平均有效压力/ bar20.26
    压缩比14活塞平均速度/(m·s−1)8.6
    有效油耗率/(g·kW−1·h−1)186.3连杆长度/ mm1 550
    Table 1. Main parameters of diesel engine
    子模型参数数值
    边界条件边界入口SB1温度/ K298
    边界入口SB1压力/ bar1
    边界出口SB2温度/ K563
    边界出口SB2压力/ bar1
    气缸内初始条件排气阀开启时缸内压力/ bar7
    排气阀开启时缸内温度/ K1 473
    循环喷油量/kg0.015 8
    单韦伯燃烧模型发火点提前角度/(°)−0.5
    燃烧持续角/(°)30.5
    形状参数m1.3
    Table 2. Setting of main thermal parameters of diesel engine
    参数仿真值试验值相对误差/%
    有效功率/kW3 4953 575−2.24
    平均有效压力/bar19.8120.26−2.22
    有效油耗率/(g·kW−1·h−1)192.53183.87+4.71
    最高燃烧压力/ bar149.49155−3.55
    扫气压力/ bar3.5913.61−0.53
    涡轮前排气温度/ K757.3773−2.03
    涡轮后排气温度/ K564563+0.18
    Table 3. Results comparison of simulation and experimental data under 100% load condition
    参数正常工况发火点提前角/(°)
    −5.5−8.5−11.5
    扫气压力/ bar3.5913.5863.5843.583
    扫气温度/ K310.9310.6310.5310.4
    涡轮前排气温度/ K757.3753.2751.2749.6
    涡轮后排气温度/ K564.0562.2561.3560.5
    最高燃烧压力/ bar149.5175.5188.2203.0
    平均有效压力/ bar19.819.418.918.1
    有效油耗率/(g·kW−1·h−1)192.5196.5202.2210.5
    有效功率/ kW3 49534253 3293 197
    Table 4. Comparison of parameters variation with different start angles of combustion
    参数正常工况停油缸号
    12345
    扫气压力/ bar3.5913.6243.6413.6833.5633.625
    扫气温度/ K310.9310.1312.6315308.7312.1
    涡轮前排气温度/ K757.3752.5753.3747.1739.3743.7
    涡轮后排气温度/ K564561.9561.8557.5550.8555.7
    最高燃烧压力/bar149.5129.6137.9131.3128.9129.3
    平均有效压力/bar19.813.815.214.413.613.6
    有效油耗率/(g·kW−1·h−1)192.5221.1200.4212.1224.0223.7
    有效功率/ kW3 4952 4352 6872 5382 4042 407
    Table 5. Comparison of parameters for each cylinder stoppage
    参数正常工况窜气间隙值/mm
    0.010.020.030.04
    扫气压力/bar3.5913.5843.5803.5763.600
    扫气温度/ K310.9310.6310.3310.1311.9
    涡轮前排气温度/ K757.3770.7785.5802.1816.6
    涡轮后排气温度/ K564575.8588.7602.9615.6
    最高燃烧压力/ bar149.5146.1142.5138.6123.5
    平均有效压力/ bar19.819.018.217.414.4
    有效油耗率/(g·kW−1·h−1)192.5201.0209.9219.8265.0
    有效功率/kW3 4953 3513 2073 0622 540
    Table 6. Comparison of parameters variation with different effective gas gaps
    Zhiqiang ZHAO, Jiarui ZHANG, Chiheng LUO, Baozhu JIA, Liantong AN. AVL BOOST-based typical fault simulation and data analysis of marine diesel engine[J]. Chinese Journal of Ship Research, 2021, 16(2): 176
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