Table 3 Comparison of the CFD results (Bq m−3) with those obtained by active and passive measurement techniques at different levels in the open-door scenario when ACH = 1 (h−1).

From: Measurements and computational fluid dynamics investigation of the indoor radon distribution in a typical naturally ventilated room

Z (cm)

Device

(X,Y) coordinate (Bqm−3)

Center (Bqm-3)

Average (Bqm−3)

A (2.9,0.1)

B (0.1,0.1)

C (0.1,3.9)

D (2.9,3.9)

20

Alphagaurd

119

112

81

58

84

91

RAD7

110

103

84

51

89

87

Raduet

88

73

66

62

72

NRPB

74

60

69

55

65

Simulation

163

115

65

46

76

93

100

Alphagaurd

92

102

67

55

70

77

RAD7

109

93

71

58

74

81

Raduet

66

83

61

63

68

NRPB

71

69

59

56

64

Simulation

154

98

50

52

57

82

180

Alphagaurd

RAD7

Raduet

65

68

55

60

62

NRPB

63

58

60

55

59

Simulation

199

117

49

50

61

95