Research Article

Optimization of Solar CCHP Systems with Collector Enhanced by Porous Media and Nanofluid

Table 5

System constant parameters.


Average ambient temperature (Tam)26°C
Solar beam irradiation (Ib)0.82 kw/m2
Temperature difference in recuperator (ΔTrc)22°C
Electromechanical efficiency of the generator (ηmg)95%
Turbine isentropic efficiency (ηis)80%
Heat exchanger efficiency (ηhe)90%
Cover emittance (εc)0.92
Average wind speed (Vwind)1.5 m/s
Room temperature in summer (Trs)20°C
Room temperature in winter (Trw)24°C
Sun temperature (Tsun)5770 K