ME 405
Fall 2006
Professor John M. Cimbala Lecture 23
Today, we will:
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Discuss Tunnel Ventilation in Section 5.14
Do some example problems – tunnel ventilation
10/30/2006
Automobile Tunnel Analysis:
exhaust
air
Qe
tunnel element
U(0)
U(x)
vc
emission
source
dx
make-up
air
Qm
x
L
c(x)
U(x)
Qe
dx
L
c(x)
Ac
dx
c(x)
dx
S
L
cm
U ( x) +
dU
dx
dx
c ( x) +
dc
dx
dx
kw As c
Qm
dx
L
dx
L