4.63e-6   Ccush cm^5/dyne      Acoustic area=Pi*Sqr(3.5cm)
540      Rcush dyne-sec/cm^5
4.63e-5  Cskin cm^5/dyne       ( leak path length = 1 cm )
57.2     Rskin dyne-sec/cm^5  0.1   0.2   0.5    1.0    2.0    5.0    10     20(leak diameter mm)
2.0e1    Lleak g/cm^4        2.0E1 5.0E0 8.0E-1 2.0E-1 5.0E-2 8.0E-3 2.0e-3 5.0e-4
7.3e5    Rleak dyne-sec/cm^5 7.3E5 4.6E4 1.2E3  7.3E1  4.6E0  1.2E-1 7.3e-2 1.2e0
22.8e-3  Lcup g/cm^4     60 gram mass
7e-5     Ccup cm^5/dyne  7e-5:100cm^3 volume Vcup/RhoC2
19.0     Rmat
2.02e-3  Lmat
1.42e-6  Cmat
DH132 Combat Vehicle Crewman's Helmet
Health Hazard Assessment Data from Felix Sachs - USAARL data
Freq(Khz) Mean_Gain(dB) StDev_Gain(dB) Note: -10dB Gain = 10dB Attenuation
0.063	-6.2	0
0.125	-10.3	0
0.250	-14.7	0
0.5	-21.0	0
1.0	-23.8	0
2.0	-18.1	0
4.0	-35.7	0







