Solar-desiccant air-conditioning systems - Solar Energy Sciences and Engineering Applications - page 533

Figure 16.5.6 Building heated and air-conditioned by the tri-generation plant in Italy (Badami and
Portoraro, 2009).

B

Building

conditioned
supply air

return air

O

to chimney

Hum Hum

N R

Exhaust gases

gas/water
heat exchanger

Rotary Heat
Exchanger

exhaust
air

S

exhaust air

M

electrical power

water/water
heat exchanger

NG Congenerator

cold water

to user

Natural gas

Desiccant
regenerator

Desiccant
conditioner

moist air

cooling
tower

L

outdoor air

outdoor air
20.000 m3/h

outdoor air
20.000 m3/h

Figure 16.5.7 Layout of the tri-generation plant in Italy (Badami and Portoraro, 2009).

heat exchangers and the connecting pipes. Based on the economic analysis, the system
payback time was assessed as 6.8-7.7 years. The system is an interesting alternative to
common AC technologies and further investigation and analysis will be done on the
system's actual operation.