С. 8 ГОСТ 21980-76
Зависимость коэффициента расхода ц or Л и Кф для С т 0.75
Т а б л и ц а
1
Коэффициент рдсхоиа при А
"ф
0
.S
0.550.6
0.650.7
0,750.8
0.850.9
%
.
1.030.5450,5190.488
1.040
.
S
440.5180.487
1.050.5440.5180.487
1.060.5450.5190.487
1.070.5460.5200.489
1,080.5470,5220.491
1.090.5490.5230.493
1.100.5510.5260.496
1.110.5540.5280.499
1.12
0.5560.5300.500
1.130.5600.5340.504
1.140.5620,5370.507
1,150.5640,5390.509
1.160.5670.5410.511
1,170.5690.5430.513
1.180.5720.5460.515
1,19
0.5740.5480.516
1.200.5750.5490.519
1.250.5860,5590.531
1.300.5950.5690.542
1.350.6040.5770.551
1.400.6110.5850.559
1.450.6180.5910.567
1.500.6240.5980.575
1.550.6300.6050,582
1,600.6340.6090.586
1.650.6380.6130.590
1.700.6420.6170,594
1.750.6440.6190
.
5
1.800,6480.6220.600
1.850.6500.6250.602
1,900.6530.6280.605
1.950.6550,6310.607
2.000.6570.6320.608
0.4590.430
0.4580.429
0.4580,428
0.4590.429
0,4610.431
0.4630.433
0.4650.435
0.4680.438
0.4710.440
0.4730,443
0.4760.446
0.4790,449
0.4810.451
0.4840,454
0.4860.456
0.4880,458
0.4900,460
0.4920,462
0,5050,474
0.5150,485
0,5240.495
0,5330.504
0.5400,512
0.5480,519
0,5550.526
0.5600.532
0,5640,536
0.5680.539
0,5700.542
0,5730.544
0,5760.546
0.5790.549
0,5810,550
0.5820.551
0,4020,376
0.4000,375
0,4000,376
0.4010,376
0.4030,378
0.4050,380
0.4070,382
0.4100,385
0.4120,387
0.4150,389
0.4180,392
0.4220,395
0.4250,397
0.4270,399
0.4300.400
0.4320.408
0,4340.405
0,4350.402
0.4480,419
0.4580.429
0.4670.439
0,4750.447
0,4820.454
0.4900.461
0.4980.469
0.5020.473
0.5070.478
0,5100.481
0.51404
S
4
0.5160.486
0.5180.488
0.5200.490
0.5210.492
0.5220.494
0,3540.336
0.3530.335
0.3530.335
0.3540.335
0.3560.337
0.3580.339
0.3600.341
0.3620.343
0.3640.345
0.3670.347
0.3690.350
0.3720.352
0.3740.354
0.3760.356
0.3780.358
0.3800.361
0,3830.363
0
.
3
S
50.364
0,3950.374
0.4040.383
0.4130.393
0,4210.400
0,4280.408
0,4360.416
0.4440.422
0,4480.428
0,4520.432
0,4580.436
0,4610.439
0,4630.442
0,4650.444
0,4670.446
0,4690.448
0,4700.449
Продолжение табл, t
Коэффициент расхода при А
Ч
0.951.0
1.1
1.21.3
1,41.5
1.61.7
1
%
1.030,3190,302
_
1.040.3180.301 0.276
1.050.3180.301 0,276
1.060.3190.302 0.277
1.070.3200.303 0,278
1.080.3220.305 0.280
1.090.3240.307 0.281
1.100.3260,309 0,283
1.110.3280,311 0.285
1.120.3300.313 0.287
1.130.3320.316 0.290
1.140.3350,318 0,292
1.150.3370.319 0.293
1.160.3390,321 0,296
_
_
0.2280,218
0,256 0.2380,2260,216
0,256 0.2380.2260,215
0,257 0.2390.2260,216
0,258 0.2390,2270,217
0,259 0,2410,2290,219
0,260 0,2420.2300,220
0,262 0,2440.2310,221
0,264 0.2460,2330,222
0,265 0,2470,2340,223
0,268 0.2490.2360,225
0,270 0.2510,2380,227
0,271 0,2520.2390,228
0,273 0.2540.2410,230
0,2080.198
0,2050
. %
0,2050.195
0,2050.195
0,2060
.
1
0,2070.197
0
.
20
S
0.198
0,2090.199
0,2100.200
0,2120.201
0,2130.202
0,2150.204
0,2160.205
0,2170.206