Table 4 Comparison of the CFD results (Bq m−3) with those obtained by active and passive measurement techniques at different levels in the closed-door scenario when ACH = 1 (h−1).
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 | 93 | 109 | 74 | 63 | 91.5 | 86 |
RAD7 | 120 | 99 | 82 | 66 | 95.8 | 92 | |
Raduet | 88 | 79 | 58 | 65 | – | 73 | |
NRPB | 77 | 65 | 72 | 59 | – | 68 | |
Simulation | 224.43 | 133.41 | 68.57 | 54.42 | 82.35 | 112 | |
100 | Alphagaurd | 110 | 108 | 61 | 63 | 84.6 | 85 |
RAD7 | 119 | 105 | 68 | 61 | 77.1 | 86 | |
Raduet | 89 | 92 | 66 | 74 | – | 80 | |
NRPB | 76 | 66 | 58 | 63 | – | 65 | |
Simulation | 170.7 | 140.18 | 51.33 | 45.3 | 65.59 | 95 | |
180 | Alphagaurd | – | – | – | – | – | – |
RAD7 | – | – | – | – | – | – | |
Raduet | 75 | 95 | 64 | 57 | – | 73 | |
NRPB | 77 | 80 | 58 | 66 | – | 69 | |
Simulation | 110.12 | 121.21 | 52.3 | 46.23 | 59.17 | 79 | |
