
417Solar Heating and Cooling of Buildings
© 2008 Taylor & Francis Group, LLC
Therefore,
5
and for
ab11
90=° ===Cand 8.65kPa, 0.605, 215kJ/kg-sol
1
For
hh
333
23
1
==
10kJ/kg
Relative ow rates for the absorbent (LiBr) and the refrigerant (H
2
O) are obtained from
material balances. A total material balance on the generator gives
while a LiBr balance gives
where
X
ab
is the concentration of LiBr in absorbent of solution
X
r
is the concentration of LiBr in refrigerant–absorbent of solution
Substituting (m
·
1
+ m
·
7
) for m
·
6
gives
Since the uid entering the condenser is pur ...