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Table 3

Typical solar chimney power plant data and dimensions used in the simulation.

Geometrics parameters Manzanares prototype
Collector height h [m] 1.85
Collector diameter Dcoll [m] 244
Chimney height Hch [m] 194.6
Chimney diameter dch [m] 10.16
Turbine efficiency ηturb [%] 83
Gearing and generator efficiency [%] 90
Collector roof solar transmittance τ [%] 87
Collector absorbance* α [%] 0.76
Collector loss coefficient β [W/m2.K] 15
Ambient conditions
Ambient temperature [K] 18 + 273.15
Gravitational acceleration [m/s2] 9.81
Solar irradiation [W/m2] 1000
Cp Specific heat of air [J/kg.K] 1004

*Estimated from Yogi [32].

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