Как выбрать гостиницу для кошек
14 декабря, 2021
Сегодня каждый, кто собирается в отпуск и не знает, с кем оставить своего котика или кошку, может во[...]
Estimation of the available roof area
The available roof area is the sum of the areas that are suitable to install PV panels. These are the areas where incident solar irradiation is high. Since tall buildings are very rare in Portugal and neighboring buildings are usually far from school buildings their shading effect was neglected. In pavilion schools (flat roofs) the available area is equal to the total roof area because the PV panels