泵第一临界转速计算能量法

10.28181091 90.55 67.13599094 1416.8639 128.2970228 88.473963
1.230569993 95.6 77.41780186 1531.272 146.3896017 93.408182
11.34817012 99.4 78.64837185 1544.1449 153.4880067 97.12106
25.53152254 4.13333333 4.133333
3.5 2.333333 10.5 5.391663
73.53838458 3.91419774 10.1142
13.15 8.766667
12 3.160494
419.2881524 15.2390675 28.43907
0.8 0.533333 12.5 2.684355
2100000 公斤/厘米
I0=pai/64*d04 3216.991 厘米4
nk1=299
4319.033828
Pφi*aφi(19*21)*10-
6
aφk
∑Pφi*aφi*10-
6
∑Pφi*10-3 aφk*∑Pφi*10-6 aφk*A*10-6
公斤*厘米3
厘米
公斤*厘米3
公斤*厘米2 公斤*厘米3
公斤*厘米3
22
23
24
25
26
27
0.105530293
3.1
0
0
0 3.0289264
0.743781763
19.55958783 49.3 14.08638399 550.93256 27.16097498 48.169701
12.6168087 62.95 33.64597182 944.6912 59.46831112 61.506748
20.87321043 76.85 46.26278052 1144.7988 87.97778788 75.088063
3 23.35 26.35 0.6152725 33.45 39.5 1.321275 0.6881625
4 2.43 40.3 0.097929 35.88 41.1 1.474668 0.7860915
5 38.89 49.3 1.917277 74.77 57.5 4.299275 2.7033685
9.7 0.105530293 25.531523 0.247655769 9.4776085
11.92416405 26.35 0.849312057 99.069907 2.610492053 25.745875
1.312907886 40.3 12.77347611 518.35806
20.8898298 39.376043
0
0 1.09249932
13 2.513420109 6.537162545 17.53701968 22.8889667 28.05691655 32.87733605 32.08032115 26.84869476 23.93948442 20.53558673 9.341569047 3.683960204 1.09249932
公斤*厘
公斤*厘米3
米3
公斤2*厘米6 公斤2*厘米3 公斤3*厘米6
28
29
30
31
32
3.028926413 3.028926 9.17439522 11.50992037 34.86270183
9.583138748 9.335483 87.1512425 58.81354277 549.0528275
第一临界 转速nk1 的计算
aki*∑Pi*10- ∑Pi*ai*10-
Pi
ai
Pi*ai*10-3 ∑Pi aki 3
3
公斤 厘米 公斤*厘米 公斤 厘米 公斤*厘米 公斤*厘米
1
2
3
4
5
6
7
1
3.8
3.1 0.01178 3.8 6.2 0.02356 0.01178
2
6.3
9.7 0.06111 10.1 13.2 0.13332 0.07289
12
1.8 121.65 0.21897 476.47 122.4 58.319928 34.369979
13
2.5 124.4 0.311 478.97 126.4 60.541808 34.680979
B=∑Pi*ai / l=
A=∑Pi-B=
274.37 ×103公斤 204.6 ×103公斤
6
42 62.95 2.6439 116.77 68.4 7.987068 5.3472685
7
293 76.85 22.51705 409.77 85.3 34.953381 27.864319
8 40.2 90.55 3.64011 449.97 94.8 42.657156 31.504429
234.0193581 4.379585 19.1807642 7.883252884 34.52537558
237.1095324 1.866088 3.48228623 4.665221208 8.705715569
240.8354912
0
0
0
0
14877.40923 481687.7384
E=
20.95055 53.27049 6.34364592 12.68729 14.19194081
24.73556 58.88656 1.49896156 2.997923 7.842607482
25.04245 59.41243 1.09249932 2.184999 2.591460884
25.86083 60.54181
aki*A*10-
2*Mi*10- (Mi+Mi-1)*10-
3
(7+8)*10-3 Mi(9-6)*10-3 3
3
(2*Mi+Mi-1)*10-3 li
公斤*厘 公斤*厘
公斤*厘
米
米
公斤*厘米 米
公斤*厘米 公斤*厘米
厘米
8
9
10
11
12
1.26849 1.28027 1.25671005 2.51342 1.256710055
32.57449593 0.80477982 40.30478
8.2 5.466667 12.5 2.684355
393.7586458 8.57405296 49.67405
5.45 3.633333
14 1.705956
200.1075999 5.55012253 63.05012
8.45 5.633333 14.5 1.482545
2.700656 2.773546 2.64022625 5.280452 3.8969363
8.081509 8.769672 7.44839672 14.89679 10.08862296
8.408861 9.194953 7.72028499 15.44057 15.16868171
11.76422 14.46759 10.1683158 20.33663 17.88860077
170.8259842 24.43638 597.136786 61.09095604 1492.841964
175.7694317 22.28143 496.461901 129.2322651 2879.479025
199.0867465 13.92264 193.839955 228.3313259 3178.975267
9
2.5 95.6 0.239 452.47 96.4 43.618108 31.743429
10
5.8 99.4 0.57652 458.27 102.4 46.926848 32.319949
11 16.4 111.65 1.83106 474.67 120.9 57.387603 34.151009
13.99431 19.34158 11.3545101 22.70902 21.52282591
17.45197 45.31629 10.3629055 20.72581 21.71741564
19.39562 50.90005 8.24289463 16.48579 18.60580013
19.72297 51.4664 7.8482949 15.69659 16.09118952
9.25 6.166667
12 3.160494
229.275241 7.34530481 109.7453
0.75
0.5
14 1.705956
3.315688395 0.71078831 121.6108
2 1.333333
10 6.5536
14.31960708 1.33333333 123.7333
126.4 117.3334594 1905.3441 240.8354912 123.50203
Bφ=∑Pφ i*aφi / l=
928.27104 ×103公斤
Aφ=∑Pφ i-Bφ=
977.07304 ×103公斤
Mφi*10-
Pi*M2φi*10-
（24+27）*10-6 6
M2φi*10-6 Pi*Mφi*10-6 12
14 6.2
7 26.3 1.6 16.4 10.9 16.9 9.5 1.6
6 18.5 1.5
4
li/2
li/3
d1
Pφi(12*15*18)*10- xs(13*16/12
(d0/d1)4 3
)
aφi
厘米 厘米 厘米
公斤*厘米2
厘米
厘米
15
16
Fra Baidu bibliotek17
18
19
20
21
3.1 2.066667
10 6.5536
26.59518657 23.98469 575.265571 560.042617 13432.45109
52.14951948 31.25969 977.168199 75.96104592 2374.518723
62.2560847 35.09511 1231.66673 1364.848817 47899.51896
95.15271947 35.68441 1273.377 1498.745151 53481.83397
121.3508434 33.37306 1113.76083 9778.305262 326331.9242
155.6099544 27.31293 745.996233 1097.979851 29989.04856
272.0650618 8.32139263 76.72139
4.75 3.166667
15 1.294538
114.4081217 4.56958938 89.86959
0.8 0.533333
16
1
12.87295162 0.79346061 95.59346
3
2 12.5 2.684355
114.2886031 2.89397863 99.29398
25.1618812 111.65 89.99654197 1658.4335 185.1641047 109.0902
0.403223479 121.65 115.1584232 1887.7088 229.6397731 118.86093
1.771812716 124.4 115.5616467 1891.0245 235.2434439 121.54789