Info

A = n r

Table 2-8. Formulas for Volumes.

Compartment

V=Lx Wx H

Sphere

= n x 4/3 x r 3 = 0.5236 x Dia3

Cylinder

V = n x r 2 x L = n x 1/4 x Dia2 x L = 0.7854 x Dia2 x L

Table 2-9. Formulas for Partial Pressure/Equivalent Air Depth.

Partial Pressure Measured in psi pp - (D + 33 fsw) x 0 445 psi x ( %V 1

^ r V100% J

Partial Pressure Measured in ata pp - ,-x „„ n/

^ 33 fsw 100 %

Partial Pressure Measured in fsw pp = (D + 33fsw) x i%0%

T formula for Measuring Partial Pressure ^Py

Equivalent Air Depth for N2O2 Diving Measured in fsw EAD =

( 1.0 - O2%)( D + 33 )

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