Journal of Northeastern University(Natural Science) ›› 2025, Vol. 46 ›› Issue (4): 71-77.DOI: 10.12068/j.issn.1005-3026.2025.20239049
• Mechanical Engineering • Previous Articles Next Articles
Hui-kun CAI1, Zhao-yang LI1, Yi-bo ZHOU1,2, Chen XU1
Received:
2023-09-14
Online:
2025-04-15
Published:
2025-07-01
CLC Number:
Hui-kun CAI, Zhao-yang LI, Yi-bo ZHOU, Chen XU. Characteristic Analysis on Metering Valves of Fuel Pump Regulators in Aero Engines[J]. Journal of Northeastern University(Natural Science), 2025, 46(4): 71-77.
参数名称 | 参数值 |
---|---|
腔直径/mm | 16 |
杆直径/mm | 8 |
最小开度/mm | 0 |
最大开度/mm | 11 |
过流面积/mm2 | (0.9×x)/1 000 |
水力直径/mm | 1.8×x /(0.9+1 000×x) |
预紧力/N | 15 |
弹簧刚度/(N·s-1) | 2.381 |
Table 1 Parameters of the metering valve
参数名称 | 参数值 |
---|---|
腔直径/mm | 16 |
杆直径/mm | 8 |
最小开度/mm | 0 |
最大开度/mm | 11 |
过流面积/mm2 | (0.9×x)/1 000 |
水力直径/mm | 1.8×x /(0.9+1 000×x) |
预紧力/N | 15 |
弹簧刚度/(N·s-1) | 2.381 |
活门开度/% | 实验流量 | 仿真流量 | 相对误差/% |
---|---|---|---|
kg·h-1 | kg·h-1 | ||
10 | 66.4 | 62.4 | 4.5 |
20 | 130.1 | 134.9 | 0.7 |
30 | 189.5 | 198.3 | 4.7 |
40 | 248.4 | 257.2 | 0.5 |
50 | 310.1 | 320.3 | 0.3 |
60 | 371.9 | 384.8 | 0.5 |
70 | 430.6 | 440.9 | 0.4 |
80 | 496.4 | 495.9 | 0.1 |
90 | 554.8 | 554.1 | 0.1 |
100 | 591.3 | 590.2 | 0.2 |
Table 2 Relationship between engine outlet flow and
活门开度/% | 实验流量 | 仿真流量 | 相对误差/% |
---|---|---|---|
kg·h-1 | kg·h-1 | ||
10 | 66.4 | 62.4 | 4.5 |
20 | 130.1 | 134.9 | 0.7 |
30 | 189.5 | 198.3 | 4.7 |
40 | 248.4 | 257.2 | 0.5 |
50 | 310.1 | 320.3 | 0.3 |
60 | 371.9 | 384.8 | 0.5 |
70 | 430.6 | 440.9 | 0.4 |
80 | 496.4 | 495.9 | 0.1 |
90 | 554.8 | 554.1 | 0.1 |
100 | 591.3 | 590.2 | 0.2 |
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