Cooling effect of greenery cover over a building

摘要

The cooling effect of vaious kinds of greenery cover was inestigated by both experimental model and computer simulation. Four concrete roof models were constructed and dirrerent coverings were arranged for each: bare concrete, soil layer, soil with turf, and soil layer with ivy. Temperature profiles, including air temperature in the air space under the roof were measured along with other environmental parameters to calculate the cooling effect. A computer model to simulate the systems and to evaluate cooling load was constructed using the simulation language CSMP. The simualted results matched reasonably well with the measured ones, and the cooling effect increased with increase in leaf area per unit roof area (LAI).