Dawra tasmim anzma mokafaha hareq

تصميم أنظمة مكافحة الحريق
For Ordinary Hazard, Group (1), 1500 Ft 2
Step No
Nozzle
Location
Flow
in
gpm
Pipe
size
Pipe
Fitting
Equiv.
pipe
length
Friction
losses psi
Pressure
summary
Normal
pressure
D=0.15
gpm
K=5.65
1
1
Bl-1
q=
Q=19.5
1"
L = 13
F = 0
T =13
C120
0.124
Pt = 11.9
Pe =
Pf= 1.6
q=AX ρ=
130X0.15
=19.5
p=11.9
2
2
Bl-1
q=20.7
Q=40.2
1.25"
L = 13
F = 0
T =13
0.125
Pt = 13.5
Pe =
Pf= 1.6
q=
5.65X
13.5 0.5 =20.7
3
3
Bl-1
q=22
Q=62.2
1.5"
L = 13
F = 0
T =13
0.132
Pt = 15.1
Pe =
Pf= 1.7
q=
5.65X
15.1 0.5 =22
4
4
DN
RN
q=23.2
Q=85.4
1.5"
2 T
L = 20.5
F = 16
T =36.5
0.237
Pt = 16.8
Pe =
Pf= 8.6
q=
5.65X
16.8 0.5 =23.2
5
Cm
to
Bl-2
Q =85.4
2"
L = 10
F =
T =10
0.07
Pt = 25.4
Pe =
Pf= 0.7
K = 85.4 /
25.4 0.5 =
16.95
6
Bl-2
to
Bl-3
q = 86.6
Q =172
2.5"
L = 10
F =
T =10
0.109
Pt = 26.1
Pe =
Pf= 1.1
q=
19.95X 26.1 0.5
= 86.6
7
Bl-3
to
cm
q
=88.4
Q =260.4
2.5"
L = 70
F =
T =70
0.233
Pt =27.2
Pe =
Pf= 16.3
q=
19.95X 27.2 0.5
= 88.4
8
Cm
to
F.F
Q =260.4
3"
E
AV
L = 119
F = 21
0.081
Pt =43.5
Pe = 6.5
Pe = 15 X
0.433 = 6.5
GV
T =140
Pf= 11.3
9
UG
Cro
wn
E
GV
L = 50
F =32.2
C150
Pt =61.3
Pe =
Copper=
21X 1.51 =
32.2