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光滑管压差
（m/s）
（cmHg）
（Pa）
1
698
2.161
7.626
9.5
57.0
47.5
63326.88
2
663
2.053
7.243
10.9
55.5
44.6
59460.60
3
626
1.938
6.839
13.9
52.8
38.9
51861.38
4
603
1.867
6.588
15.4
50.7
35.3
47061.87
5
567
1.755
6.194
17.0
49.1
32.1
42795.64
6
543
1.681
5.932
18.7
28.8
38396.08
7
511
1.582
5.583
19.8
46.1
26.3
35063.09
8
481
1.489
5.255
21.2
44.7
23.5
31330.14
9
449
1.390
4.905
22.5
43.2
20.7
27597.19
10
418
1.294
4.567
23.6
41.8
18.2
24264.19
11
390
1.207
4.261
24.6
40.7
16.1
21464.48
12
359
1.111
3.922
25.7
39.9
14.2
18931.40
13
330
1.022
3.605
26.7
38.5
11.8
15731.73
14
300
0.929
3.277
27.5
37.5
10.0
13331.97
15
270
0.836
2.950
28.5
36.5
8.0
10665.58
16
239
0.740
2.611
29.0
35.7
6.7
8932.42
17
211
0.653
2.305
29.7
34.8
5.1
6799.31
18
181
0.560
1.977
30.3
34.3
4.0
5332.79
19
151
0.467
1.650
30.8
33.8
3.0
3999.59
20
120
0.372
1.311
31.2
33.2
2.0
2666.39
21
89
0.276
0.972
31.5
32.7
1.2
1599.84
22
60
0.186
0.655
31.7
32.5
0.8
1066.56
23
31
0.096
0.339
31.9
0.2
266.64
弯头管压差
局部流速
51.5
18.5
33.0
43995.51
4.07227
49.5
20.5
38662.72
3.868073
47.4
22.3
25.1
33463.25
3.652208
46.6
23.2
23.4
31196.82
3.518021
45.0
24.5
27330.55
3.30799
44.2
25.3
18.9
25197.43
3.167969
43.1
26.4
16.7
22264.40
2.981275
42.0
27.3
14.7
19598.00
2.806249
41.2
28.1
13.1
17464.89
2.619555
40.4
11.4
15198.45
2.438695
39.7
29.6
10.1
13465.29
2.275337
38.8
30.4
8.4
11198.86
2.094477
38.3
31.1
7.2
9599.02
1.925285
37.6
31.6
6.0
7999.18
1.750259
37.0
32.2
4.8
6399.35
1.575233
3.8
5066.15
1.394373
36.0
33.1
2.9
3866.27
1.231016
33.5
2.2
2933.03
1.05599
33.7
1.6
2133.12
0.880964
35.0
34.0
1.0
1333.20
0.700104
34.7
34.1
0.6
799.92
0.519244
34.6
0.3
399.96
0.350052
34.5
0.18086
雷诺数1
光滑直管
雷诺数2
局部阻力系数
Re
阻力系数λ
ξ
143907.18
0.020729
105162.9
5.315528
136691.20
0.021572
99889.72
5.17743
129062.88
0.021105
94315.18
5.026531
124320.96
0.020641
90849.93
5.050386
116898.81
0.021229
85426.05
5.004159
111950.71
0.020767
81810.14
5.030434
105353.25
0.021414
76988.91
5.019009
99168.13
0.021596
72469.01
4.986209
92570.66
0.021831
67647.79
5.099434
86179.37
0.022147
62977.23
5.120302
80406.59
0.022505
58758.66
5.211173
74015.30
0.023425
54088.1
5.11486
68036.34
0.023038
49718.87
5.188573
61851.22
0.023624
45198.97
5.231811
55666.10
0.023332
40679.07
5.167221
49274.81
0.024938
36008.51
5.220729
43502.03
0.024355
31789.94
5.11183
37316.90
0.025959
27270.05
5.269979
31131.78
0.027974
22750.15
5.506928
24740.49
0.029529
18079.59
5.449803
18349.20
0.032210
13409.03
5.94449
12370.24
0.047247
9039.794
6.539764
6391.29
0.044248
4670.56
16.3324
数据记录表2
LZC-88，编号：
1号，仪表常数：
270，水温：
19.5度（水的密度为998.203Kg/m^3水的粘度μ=1.0050*10^-3Pa*s），粗糙管管长2m，粗糙管管径33.5*3.25mm，阀门管径6.75*2.75mm
粗糙管压差
350
1.296
2.265
77.50
9.25
68.25
90990.72
1.222
2.136
72.50
12.65
59.85
79791.86
331
1.226
2.142
68.85
16.00
52.85
70459.48
290
1.074
1.877
65.40
19.40
46.00
61327.08
1.000
1.747
62.20
22.70
39.50
52661.30
252
0.933
1.631
59.90
25.05
34.85
46461.93
230
0.852
57.70
27.90
29.80
39729.28
210
0.778
1.359
54.65
29.95
24.70
32929.98
190
0.704
1.230
52.75
32.40
20.35
27130.57
170
0.630
1.100
50.20
34.30
15.90
21197.84
154
0.570
0.997
48.80
35.50
13.30
17731.53
140
0.519
0.906
47.60
36.65
10.95
14598.51
125
0.463
0.809
46.50
37.65
8.85
11798.80
112
0.415
0.725
45.70
38.60
7.10
9465.70
85
0.315
0.550
44.15
39.95
4.20
5599.43
70
0.259
0.453
43.60
40.70
2.90
55
0.204
0.356
43.00
41.15
1.85
2466.42
39
0.144
0.252
42.60
41.60
1.00
25
0.093
0.162
42.40
41.70
0.70
933.24
阀门压差
51.3
13.0
17331.57
1056.853
39.0
50.3
11.3
15065.13
996.4614
39.6
49.9
10.3
13731.93
999.481
7.1
875.6782
40.8
48.5
7.7
10265.62
815.2866
41.3
48.1
6.8
9065.74
760.9342
5.7
7559.23
694.5034
42.2
46.9
4.7
6252.70
634.1118
42.7
46.5
5119.48
573.7202
43.0
3.1
4066.25
513.3286
43.3
45.8
2.5
3386.32
465.0153
43.5
45.6
2.1
2853.04
422.7412
43.7
45.4
1.7
2319.76
377.4475
43.8
45.2
1.4
1839.81
338.193
44.1
44.9
1013.23
256.6643
0.5
706.59
211.3706
44.3
439.96
166.0769
333.30
117.7636
44.4
44.5
0.1
133.32
75.4895
粗糙管
60746.836793
0.337534
1312132
0.00003109
57275.588976
0.332956
1237153
0.00003040
57449.151367
0.29224
1240902
0.00002754
50333.093343
0.33137
1087195
0.00002473
46861.845526
0.328262
1012216
0.00003094
43737.722491
0.33247
944734.8
0.00003137
39919.349893
0.341281
862258
0.00003140
36448.102076
0.33932
787279
0.00003116
32976.854259
0.341514
712300.1
29505.606442
0.333312
637321.1
0.00003092
26728.608189
0.339751
577337.9
0.00003138
24298.734717
0.338461
524852.7
0.00003199
21695.298855
0.343142
468618.5
0.00003262
19438.987774
0.342905
419882.1
0.00003223
14752.803221
0.352178
318660.5
0.00003082
12149.367359
0.358553
262426.3
0.00003169
9545.931496
0.370508
4288796
0.00003196
6768.933243
0.398311
3041146
0.00004815
4339.059771
0.67853
1949453
0.00004687
数据记录表3
2号，仪表常数：
259，水温：
21.0℃（水的密度为997.992Kg/m^3水的粘度μ=0.9810*10^-3Pa*s），粗糙管管长2m，粗糙管管径33.5*3.25mm，阀门管径6.75*2.75mm
398
1.537
2.685
23.10
61.40
38.30
51061.46
380
1.467
2.564
24.55
59.65
35.10
46795.23
1.386
2.422
26.45
57.76
31.31
41742.41
341
1.317
2.301
28.00
56.40
28.40
37862.81
321
1.239
2.166
29.50
54.70
25.20
33596.57
301
1.162
2.031
31.00
53.10
22.10
29463.66
280
1.081
1.889
51.60
19.20
25597.39
261
1.008
1.761
33.60
53.00
25864.03
241
0.931
1.626
34.80
49.00
14.20
220
0.849
1.484
35.95
47.80
11.85
15798.39
200
0.772
1.349
36.90
46.70
9.80
13065.33
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