Column 7 is the deepwater significant wave height H
and is
obtained from Equation 3-40;
H = 0.0555 UR x/Ê7 = 5.08
where UR = 91.6 knots
o
k
e
e 7
k.
and F is obtained from Column 6.
e
Column 8 is the deepwater significant wave period To and is
obtained from Equation 3-36:
T =2.13 x/H where FL is obtained from Column 7.
O
o
o
Column 9 is T2/dj», or Column 8 squared over Column 5.
Column 10 is the shoaling coefficient (H/H^) or
corresponding
to the value of T2/d?, Column 9, and is obtained from Table 3-3 Kg
versus T2/d.
Column 11 is the friction loss parameter and is equal to
ÇHK/X
0.01 Ho K, (5) (6,080)
304 Ho
--------RF
KT
where fy. is assumed as 0.01, AX = 5(6,080) = 30,400 ft., dy is the
average water depth of the incrément AX.
Column 12 is the friction factor_
and is obtained from Figure
3-35 where Kj? is a function of T2/dy (Column 9) and
^^,A(Colunn B).
(dr)’
Column 13 is the équivalent deepwater wave height
and is
obtained from
= H,K- (the product of Columns 7 and 12).
O
O J
Column 14 is the équivalent effective fetch length for % and is
obtained from Equation 3-40
(0.0555
)
5.08
where Ur — 91.6 knots (moving hurricane).
Column 15 is obtained by using Equation 3-36 T'o = 2.13
Column 16 is (T$)2/d2,
end of section AX.
where d2 is the water depth at shoreward
3-67