TableĀ 11 A comparison of the daylighting simulation results of the current state of the selected room (the Eastern side room at the ground floor level) with the daylighting simulation results of the original state of it

From: Evaluation of indoor daylighting performance changes in a historical khan building in Istanbul

Ā 

Annual

Summer (June–August)

Winter (January–March)

Original state

Current state

Original state

Current state

Original state

Current state

Horizontal sensor grid (1Ā m above ground level)

Ā DA500 (%)

46.46

52.73

36.83

41.56

32.82

37.69

Ā cDA (%)

71.47

74.61

56.55

58.88

53.43

55.91

Ā UDI100-2000 (%)

84.20

83.02

66.13

65.28

64.32

63.96

Ā sDA500, 50% (%)

0.28

0.52

0.11

0.30

0.11

0.23

Vertical sensor grid (2 m from the exterior façade)

Ā DA500 (%)

50.29

38.97

39.66

30.77

35.40

26.70

Ā cDA (%)

73.99

67.11

58.28

53.01

55.19

49.63

Ā UDI100-2000 (%)

88.20

85.83

69.24

67.04

67.17

64.79

Ā sDA500, 50% (%)

0.52

0.12

0

0

0

0