Page 35 - مشروع تخرج 1

= 2040.81 collector

So, we need 2041 LS-2 PTC

thermal efficiency for solar collectors (η col) with three approximation formulas is
given below :

3
= + . (3.8)
0
3

3
= + . + . (3.9)
3
0

2 3 4
= + . + . + . + . + . (3.10)
1
0
3
4
2

Note that the thermal efficiency was found η col ≈ 0.72 according to the dataset for
the approximation studies in Appendix A-1.
The total required area for the PTSC is given by :

= ∗ (3.11)

= 2041 *39.2
= 80007.2 m 2

=8 Hectare

Now we will enter the hot brine water in flash vessels .

Flash vessels calculation:
m steam= 883kg/hr
st
1 stage ( 0.4 bar ) :

T =110°c T =109.55°c
st
1 stage
P =1.5 bar 0.4 bar P =0.4 bar
m= 1 Mkg/hr m= 0.999 Mkg/hr

For the given data T=110 c, P=1.5 bar , from appendix A
o

Specific enthalpy (h inlet) = 461.47 KJ/Kg

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