Page 39 - مشروع تخرج 1

th
4 stage ( 0.3 bar ) :
m steam= 4672kg/hr

th
T =105.11°c 4 stage T =102.61°c
0.1 bar
P =1.5 bar P =0.1 bar
m= 0.990 Mkg/hr m= 0.986 Mkg/hr

o
For the given data T=105.11 c , P=1.5 bar, from appendix A -2

specific enthalpy (h inlet) = 440.777 KJ/Kg

For the given data P=0.1 bar , saturated , from appendix A-2

Saturated liquid Saturated vapor

ℎ . ℎ .
= 430.31 / = 2679.78 /

o
o
T=102.61 c T=102.61 c

Mass flow rate (m ̇ ) of outlet liquid is given by the equation

ℎ − ℎ .
ṁ = ṁ ∗ (3.18)
ℎ . −ℎ .

= 986064.45 /ℎ

Mass flow rate (m ̇ ) of outlet vapor is given by the equation

ṁ = m − m . (13.19)
̇
̇
= 4672 /ℎ

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