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).
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 | |