Re-Calculate
(current)
Other Apps
VGE Noise Attenuation Calculation
Propagation Q
Plane
Sphere
Hemisphere
Quarter-sphere
Octant-sphere
Directivity (Deg)
0 deg
30 deg
45 deg
60 deg
75 deg
90 deg
120 deg
135 deg
Distance
Flow Volume Rate
Flow Temperature
Noise-Flow
Exhaust
Intake
PWL1
PWL2
PWL3
PWL4
PWL5
PWL6
PWL7
PWL8
OA (dB)
Rectangular Exit (No Silencer)
Width (W)
Length (L)
Circular Exit (No Silencer)
Diameter (D)
Rectangular Silencer
Silencer Width (W)
Silencer Height (H)
Silencer Length (L)
No of Units
Serial No
1
2
3
4
5
6
Circular Silencer
Silencer Diameter (D)
12"
24"
36"
48"
60"
Outer Media Thickness
4"
6"
8"
Silencer Length (L)
Serial No
1 (no bullet)
2
3
4
5
6
Calculate
Contact VGE
Selection Result
Silencer Type:
Silencer Insertion Losses (dB):
63Hz
125Hz
250Hz
500Hz
1KHz
2KHz
4KHz
8KHz
Face Velocity (FPM):
Silencer Pressure Drop (in. W.G.):
Flow Generated Noise PWL (dB):
63Hz
125Hz
250Hz
500Hz
1KHz
2KHz
4KHz
8KHz
Receiver Noise Level (dBA):
Receiver Noise Level (dB):
63Hz
125Hz
250Hz
500Hz
1KHz
2KHz
4KHz
8KHz
OA(dB)
