汽车工程 ›› 2021, Vol. 43 ›› Issue (3): 337-344.doi: 10.19562/j.chinasae.qcgc.2021.03.005
张韦1,解礼兵1,陈朝辉1(),周马益1,陈永2,范吉文2,陶丽2
收稿日期:
2020-09-08
修回日期:
2020-11-13
出版日期:
2021-03-25
发布日期:
2021-03-26
通讯作者:
陈朝辉
E-mail:chenzhaohuiok@sina.com
基金资助:
Wei Zhang1,Libing Xie1,Zhaohui Chen1(),Mayi Zhou1,Yong Chen2,Jiwen Fan2,Li Tao2
Received:
2020-09-08
Revised:
2020-11-13
Online:
2021-03-25
Published:
2021-03-26
Contact:
Zhaohui Chen
E-mail:chenzhaohuiok@sina.com
摘要:
采用气道稳流试验、CFD稳态模拟,结合多目标优化设计手段,研究YN柴油机单螺旋进气道螺旋段的最小截面积、蜗壳内半径、蜗壳外半径和螺旋室高度4个关键结构参数对气道流动特性的影响。结果表明:通过回归分析获得的近似数学模型,可实现气道结构参数与气道性能的正向定量研究;通过对原机气道螺旋段结构参数的多目标优化,可实现在流量系数小幅降低(0~3.98%)的条件下,涡流比的明显提高(9.3%~14.34%)。
张韦,解礼兵,陈朝辉,周马益,陈永,范吉文,陶丽. 进气道螺旋段关键结构参数多目标优化设计[J]. 汽车工程, 2021, 43(3): 337-344.
Wei Zhang,Libing Xie,Zhaohui Chen,Mayi Zhou,Yong Chen,Jiwen Fan,Li Tao. Multi⁃objective Optimization Design of Key Structural Parameters of Spiral Section of Helical Inlet[J]. Automotive Engineering, 2021, 43(3): 337-344.
表4
螺旋段各结构修改试验方案及计算结果"
试验号 | 截面比 | 蜗壳内半径R1/mm | 蜗壳外半径R2/mm | 螺旋室高度H1/mm | 流量系数y1 | 涡流比y2 |
---|---|---|---|---|---|---|
1 | 0.810 | 12.0 | 33.0 | 32.0 | 0.572 | 1.257 |
2 | 0.825 | 14.5 | 30.5 | 30.5 | 0.562 | 1.393 |
3 | 0.840 | 10.0 | 35.0 | 29.0 | 0.583 | 1.153 |
4 | 0.855 | 12.5 | 32.5 | 27.5 | 0.574 | 1.327 |
5 | 0.870 | 15.0 | 30.0 | 33.0 | 0.568 | 1.390 |
6 | 0.885 | 10.5 | 34.5 | 31.5 | 0.59 | 1.145 |
7 | 0.900 | 13.0 | 32.0 | 30.0 | 0.588 | 1.277 |
8 | 0.915 | 15.5 | 29.5 | 28.5 | 0.584 | 1.377 |
9 | 0.930 | 11.0 | 34.0 | 27.0 | 0.596 | 1.150 |
10 | 0.945 | 13.5 | 31.5 | 32.5 | 0.591 | 1.287 |
11 | 0.960 | 16.0 | 29.0 | 31.0 | 0.58 | 1.370 |
12 | 0.975 | 11.5 | 33.5 | 29.5 | 0.598 | 1.160 |
13 | 0.990 | 14.0 | 31.0 | 28.0 | 0.577 | 1.373 |
14 | 0.810 | 11.5 | 32.5 | 31.5 | 0.582 | 1.280 |
15 | 0.825 | 14.0 | 30.0 | 30.0 | 0.578 | 1.362 |
16 | 0.840 | 12.0 | 34.5 | 28.5 | 0.573 | 1.265 |
17 | 0.855 | 14.5 | 32.0 | 27.0 | 0.57 | 1.361 |
18 | 0.870 | 10.0 | 29.5 | 32.5 | 0.556 | 1.364 |
19 | 0.885 | 12.5 | 34.0 | 31.0 | 0.564 | 1.289 |
20 | 0.900 | 15.0 | 31.5 | 29.5 | 0.584 | 1.329 |
21 | 0.915 | 10.5 | 29.0 | 28.0 | 0.583 | 1.352 |
22 | 0.930 | 13.0 | 33.5 | 32.0 | 0.584 | 1.237 |
23 | 0.945 | 15.5 | 31.0 | 30.5 | 0.575 | 1.419 |
24 | 0.960 | 11.0 | 33.0 | 29.0 | 0.592 | 1.258 |
25 | 0.975 | 13.5 | 30.5 | 27.5 | 0.58 | 1.395 |
26 | 0.990 | 16.0 | 35.0 | 33.0 | 0.576 | 1.379 |
27 | 0.810 | 10.0 | 29.0 | 27.0 | 0.581 | 1.331 |
28 | 0.825 | 12.5 | 33.5 | 32.5 | 0.586 | 1.281 |
29 | 0.840 | 15.0 | 31.0 | 31.0 | 0.563 | 1.395 |
30 | 0.855 | 10.5 | 33.0 | 29.5 | 0.576 | 1.256 |
31 | 0.870 | 13.0 | 30.5 | 28.0 | 0.557 | 1.359 |
32 | 0.885 | 15.5 | 35.0 | 32.0 | 0.563 | 1.329 |
33 | 0.900 | 11.0 | 32.5 | 30.5 | 0.585 | 1.333 |
34 | 0.915 | 13.5 | 30.0 | 29.0 | 0.582 | 1.378 |
35 | 0.930 | 16.0 | 34.5 | 27.5 | 0.584 | 1.291 |
36 | 0.945 | 11.5 | 32.0 | 33 | 0.589 | 1.294 |
37 | 0.960 | 14.0 | 29.5 | 31.5 | 0.572 | 1.388 |
38 | 0.975 | 12.0 | 34.0 | 30.0 | 0.58 | 1.323 |
39 | 0.990 | 14.5 | 31.5 | 28.5 | 0.586 | 1.349 |
40 | 0.990 | 16.0 | 35.0 | 27.0 | 0.579 | 1.305 |
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