С. 18 ГОСТ 21980-76
Зависимое™ коэффициент расхода ц от А и к,,, для С «■4
Т а б л и ц а
6
Коэффициент расхода при А
"ф
0.S0.550.6
0.650.7
0,750.8
0.850.9
.
5
4
5
4
1
%
1.030.6640.6280.597
1.040.6630.6270
. %
1.050.6630.6260
, %
1.060.6640.6270.597
1.070.6670.6280,598
1.080.6680.6300.600
1.090,6700.6320.602
1.100.6730.6340.604
.Н
0.6750.6370.606
1.120.678
0,640
0.608
1.130.6810.6410.610
1.140.6830.6430.612
1,150.6850.6450.614
1.160.6880.6480.617
1.170.6900.6500.618
1.180.6920.6520.620
1.190.6950.6550.622
1.200.6980.6570.624
1.250.7100.6660.633
1.300.7210.6760.642
1.350.7310.6840.649
1.400.7400.6920.656
1.450.7480.6980.661
1.500.7550.7040.666
1.550.7610.7090,671
1.600.7660.7140.675
1.650.7700,7180.679
1.700.7750.7230,683
1.750,7790.7260,686
1.800,7820,7290.689
1.850.7850,7320.692
1.900.7870.7340.694
1.950,7880,7370
.
6
%
2.000.7900.7390.698
0,5700.540
0.5690.539
0,5690.540
0.5700.541
0,5710.542
0.5730.544
0,5750.546
0.5770.548
0,5790,550
0.5810.551
0,5820,552
0.5840,554
0,5870,557
0.5890.558
0,5910.560
0.5930.562
0,5940.564
0
.
5
%
0.566
0.6030.574
0.6110,582
0.6180.588
0.6240.594
0.6290,599
0.6330,603
0.6370.607
0.6410.610
0.6440.613
0.6480.616
0.6500.618
0.6530.620
0.6560.622
0.6580.624
0.6600.626
0.6620.627
0.51804
%
0.5180
. %
0.5180
.
4
%
0.5180
. %
0.5190
.
4
%
0.5200.497
0.5210.498
0.5230,500
0.5250,502
0.5270.503
0.5290,505
0.5300.507
0.5320,509
0.5340.510
0.5360,512
0,5380.514
0,5390,515
0,5410.517
0.5480,525
0.5560,532
0,5620,537
0,5680.543
0,5720,548
0.5760.552
0.5790,556
0.5820.558
0.5850,561
0.5880.564
0.5900,566
0.5920.568
0.5940,570
0.5950.572
0
.
50,573
0.5970.574
0.4780.462
0,4780.461
0.4780.461
0,4780.462
0.4790.463
0
.
4
S
10.465
0.4830.467
0,4840.468
0.4860.470
0,4870.472
0.4880.473
0,4900.475
0.4920.476
0,4940.478
0.4950.480
0,4970.481
0.4980.482
0,4990.484
0.5070.491
0.5140.498
0.5190.502
0.5230.507
0.5280.513
0.5330.516
0.5360.520
0.5390.523
0.5410.525
0,5440.528
0.5460.530
0,5480.532
0.5500.534
0.5520.536
0.5530.537
0.5540.538
Продолжениетам
.
6
Коэффициент расхода при А
Ч
0.951.0
1.1
1.2
1.3
1.4
1.51.6
1.7
1.03 0,449 0.435
1.04 0.448 0.434
1.050.4470.434
1.06 0.447 0.434
1.07 0.448 0.435
1.080.4500.437
1.09 0.451 0.438
1.10 0.452 0.440
1.11
0.4540,441
1.12 0.456 0.442
1.13 0.457 0.443
1.140.4590.445
1.15 0.460 0.446
1.16 0.462 0.448
1.17 0.463 0.449
1.18 0.464 0.450
_
0.406
0.406
0.406
0.407
0.409
0.410
0.411
0,412
0.413
0.415
0.416
0.417
0.420
0.422
0,423
_
0.384
0,384
0,384
0,384
0,385
0.386
0,387
0,388
0.389
0.391
0,392
0,393
0.395
0.397
0,398
_____
0.3650,3450.3280.312
0.3630.3440,3280,312
0.362 0.344 0,327 0.311
0.362 0.343 0.326 0.312
0,3640.3440,3280.313
0.365 0.345 0,329 0,314
0.366 0.346 0,330 0,315
0.3670.3470.3310,316
0.368 0.348 0.332 0.317
0.370 0.349 0,333 0.318
0.3710.3500,3340.319
0.3720.3520,3350.320
0.3740.3540.3370.322
0.3760.3550.3380.323
0,3770.3560,339
0.324
_
0.299
0.299
0.298
0.298
0.299
0.301
0.302
0.303
0.304
0.306
0.307
0.308
0.309
0.310
0.311