n
n'
r
d

plocha č.

x
X = n/x
' = (n '-n )/r
X' = X + ϕ'
p = 1/(1-X'd/n')
pX‘ = Xi+1
x' = n'/X'

n
n'
r
d

plocha č.

x
X = n/x
' = (n'-n)/r
X' = X + ϕ'
p = 1/(1-X'd/n')
pX‘ = Xi+1
x' = n'/X'