Assessing of Daylight Factor Values Depending on Window Opening Structures in Model Room

In this article, there are compared the types of opening structures in terms of their size and in terms of covering of opening structures with curtains or blinds. Two windows were used in the first case and three windows in the second case. In the third case, the window was divided into three parts, and in the fourth case, the window was divided into three parts covered with curtains. The size of opening structures in the first half of the room, near the windows, has the greatest impact on lighting. In the rear part of the room, the difference is not so great. If the windows are covered with curtains or blinds, the difference in room lighting is significant.