流经小孔的空气流量(出口处0.1MPa(绝压) 、20℃的大气压力下的自由空气流量）的大气压力下的自由空气流量）m /min
孔口前表压力MPa 0.100.150.200.250.300.350.400.450.500.550.600.650.700.750.800.850.900.951.001.101.20
PSI [***********][***********][**************]
小孔直径mm
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
3
L/min
0.740.931.111.301.481.671.852.042.222.412.592.782.963.153.333.513.703.884.074.44
1.672.092.502.923.343.754.174.585.005.415.836.256.667.087.497.918.328.749.159.99
2.973.714.455.195.936.677.418.158.899.62
4.655.806.968.119.27
6.698.36
9.11
11.9015.06
18.5923.2127.8332.4537.0741.6846.3050.9255.5460.1664.7769.3974.0178.6383.2587.8692.4897.10101.72110.96120.19
41.8352.2262.6273.0183.4093.79104.18114.57124.96135.35145.74156.13166.52176.91187.31197.70208.09218.48228.87249.65270.43
74.3792.84111.32129.79148.26166.73185.21203.68222.15240.62259.10277.57296.04314.51332.99351.46369.93388.41406.88443.82480.77
11.3714.8518.80
m 3/min
116.200.1670.2280.2970.3770.4650.5620.6690.7860.911145.070.2090.2840.3710.4700.5800.7020.8360.981173.930.2500.3410.4450.5640.6960.842202.790.2920.3970.5190.6570.8110.982231.660.3340.4540.5930.7510.927260.520.3750.5110.6670.844289.380.4170.5670.7410.938318.250.4580.6240.815347.110.5000.6800.889375.980.5410.7370.962404.840.5830.793433.700.6250.850462.570.6660.907491.430.7080.963520.290.749549.160.791578.020.832606.880.874635.750.915693.470.999751.20
1.08
1.021.081.131.191.251.361.47
1.041.111.181.261.331.411.481.551.631.781.92
1.031.121.221.311.411.501.591.691.781.871.972.062.252.43
1.041.161.271.391.501.621.731.851.972.082.202.312.432.542.773.00
1.121.261.401.541.681.821.962.102.242.382.522.662.802.943.083.363.64
1.001.171.331.501.671.832.002.172.332.502.662.833.003.163.333.503.663.994.33
1.181.371.571.761.962.152.352.542.742.933.133.323.523.713.914.104.304.695.08
1.141.361.591.822.042.272.502.722.953.173.403.633.854.084.314.534.764.985.445.89
1.051.311.571.832.082.342.602.863.123.383.643.904.164.424.684.945.205.465.726.246.76
1.191.491.782.082.372.672.963.263.553.854.154.444.745.035.335.625.926.216.517.107.69
1.341.682.012.342.683.013.353.684.014.354.685.015.355.686.016.356.687.027.358.028.68
1.511.882.252.633.003.383.754.124.504.875.255.625.996.376.747.127.497.878.248.999.74
1.682.092.512.933.353.764.184.605.015.435.856.266.687.107.517.938.358.769.18
1.862.322.783.243.714.174.635.095.556.026.486.947.407.868.328.799.259.7110.17
10.0213.6417.8122.5411.6815.9020.7726.2813.3418.1623.7230.02
10.4215.0120.4226.6833.7611.5816.6722.6929.6337.5012.7318.3324.9532.5941.2413.8819.9927.2135.5444.9915.0421.6629.4838.5048.73
10.3616.1923.3231.7441.4652.4711.1017.3524.9834.0044.4156.2111.8418.5026.6436.2747.3759.9512.5819.6628.3138.5350.3263.6913.3220.8129.9740.7953.2867.4314.0621.9731.6343.0556.2371.1714.8023.1233.2945.3259.1974.9115.5424.2834.9647.5862.1478.6516.2825.4336.6249.8465.1082.3917.7527.7439.9454.3771.0189.87
10.0111.1010.8512.02
4.8110.8219.2330.0543.2758.8976.9297.36
注：流量系数是按μ＝1计算，如果进口极圆时则上述数值乘以0.97，若进口为锐边时则上述数值乘以0.65。
流经小孔的空气流量(出口处0.1MPa(绝压) 、20℃的大气压力下的自由空气流量）的大气压力下的自由空气流量）m /min
孔口前表压力MPa 0.100.150.200.250.300.350.400.450.500.550.600.650.700.750.800.850.900.951.001.101.20
PSI [***********][***********][**************]
小孔直径mm
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
3
L/min
0.740.931.111.301.481.671.852.042.222.412.592.782.963.153.333.513.703.884.074.44
1.672.092.502.923.343.754.174.585.005.415.836.256.667.087.497.918.328.749.159.99
2.973.714.455.195.936.677.418.158.899.62
4.655.806.968.119.27
6.698.36
9.11
11.9015.06
18.5923.2127.8332.4537.0741.6846.3050.9255.5460.1664.7769.3974.0178.6383.2587.8692.4897.10101.72110.96120.19
41.8352.2262.6273.0183.4093.79104.18114.57124.96135.35145.74156.13166.52176.91187.31197.70208.09218.48228.87249.65270.43
74.3792.84111.32129.79148.26166.73185.21203.68222.15240.62259.10277.57296.04314.51332.99351.46369.93388.41406.88443.82480.77
11.3714.8518.80
m 3/min
116.200.1670.2280.2970.3770.4650.5620.6690.7860.911145.070.2090.2840.3710.4700.5800.7020.8360.981173.930.2500.3410.4450.5640.6960.842202.790.2920.3970.5190.6570.8110.982231.660.3340.4540.5930.7510.927260.520.3750.5110.6670.844289.380.4170.5670.7410.938318.250.4580.6240.815347.110.5000.6800.889375.980.5410.7370.962404.840.5830.793433.700.6250.850462.570.6660.907491.430.7080.963520.290.749549.160.791578.020.832606.880.874635.750.915693.470.999751.20
1.08
1.021.081.131.191.251.361.47
1.041.111.181.261.331.411.481.551.631.781.92
1.031.121.221.311.411.501.591.691.781.871.972.062.252.43
1.041.161.271.391.501.621.731.851.972.082.202.312.432.542.773.00
1.121.261.401.541.681.821.962.102.242.382.522.662.802.943.083.363.64
1.001.171.331.501.671.832.002.172.332.502.662.833.003.163.333.503.663.994.33
1.181.371.571.761.962.152.352.542.742.933.133.323.523.713.914.104.304.695.08
1.141.361.591.822.042.272.502.722.953.173.403.633.854.084.314.534.764.985.445.89
1.051.311.571.832.082.342.602.863.123.383.643.904.164.424.684.945.205.465.726.246.76
1.191.491.782.082.372.672.963.263.553.854.154.444.745.035.335.625.926.216.517.107.69
1.341.682.012.342.683.013.353.684.014.354.685.015.355.686.016.356.687.027.358.028.68
1.511.882.252.633.003.383.754.124.504.875.255.625.996.376.747.127.497.878.248.999.74
1.682.092.512.933.353.764.184.605.015.435.856.266.687.107.517.938.358.769.18
1.862.322.783.243.714.174.635.095.556.026.486.947.407.868.328.799.259.7110.17
10.0213.6417.8122.5411.6815.9020.7726.2813.3418.1623.7230.02
10.4215.0120.4226.6833.7611.5816.6722.6929.6337.5012.7318.3324.9532.5941.2413.8819.9927.2135.5444.9915.0421.6629.4838.5048.73
10.3616.1923.3231.7441.4652.4711.1017.3524.9834.0044.4156.2111.8418.5026.6436.2747.3759.9512.5819.6628.3138.5350.3263.6913.3220.8129.9740.7953.2867.4314.0621.9731.6343.0556.2371.1714.8023.1233.2945.3259.1974.9115.5424.2834.9647.5862.1478.6516.2825.4336.6249.8465.1082.3917.7527.7439.9454.3771.0189.87
10.0111.1010.8512.02
4.8110.8219.2330.0543.2758.8976.9297.36
注：流量系数是按μ＝1计算，如果进口极圆时则上述数值乘以0.97，若进口为锐边时则上述数值乘以0.65。