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Forensic Engineering Fundamentals
book

Forensic Engineering Fundamentals

by Harold Franck, Darren Franck
December 2012
Beginner to intermediate content levelBeginner to intermediate
487 pages
17h
English
CRC Press
Content preview from Forensic Engineering Fundamentals
382 Forensic Engineering Fundamentals
Given our prior calculations of specic volume and ow speed, as well as assumptions of
discharge coecient and pipe diameter, the mass ow is computed to be
==
ω
π(0.98)(/)(0.5 )(221)
(144)(12.68)
0.0233 lb/s
2
4
e volumetric ow rate of gas is therefore
=
==
V
RT
P
g
a
ω
1
0 0233 60 53 3 530
15 1775 144
18
(. )( )( .)()
(. )( )
cfm
In other words, 18 
3
of gas would be released each minute.
e median walking speed of humans is around 4.0 /s, or about 240 /min. e
distance traveled from the meter base to the bedroom was approximately 240 . us, it
would have taken the owner approximately 1 min to travel to the bedroom.
Once ...
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Publisher Resources

ISBN: 9781439878392