Release Conditions
------------------
Case description : Transport-Sm
Event number : 1
Continuous release of LPG
Rate of release : 6.8027 kg/s
Duration : 1176.0 s
Phase after release : two-phase
Liquid fraction : 0.67033
Velocity of release : 143.60 m/s
Droplet diameter : 1.70015E-02 mm
Height of release : 0.00000 m
Angle of release from horizontal : 0.00 deg
No bund is present
Surface type within bund : Concrete
Pasquill category : F
Wind speed at reference height : 2.0000 m/s
Surface roughness parameter : 0.10000
Atmospheric temperature at reference height : 298.15 K
Atmospheric relative humidity : 0.70000
Temperature of surface inside bund : 298.15 K
Temperature of surface outside bund : 283.00 K
----------------------------------------------------------------------------------------------------------------------------------
Started processing continuous release segment 1
Distance Height C/L Plume Plume Vapour Liquid Time Liquid C/L Conc at C/L
Conc Width Depth Temp Fraction Temp Velocity Height Density
Av. Time Av. Time
(10s) (10s)
(m) (m) (%) (m) (m) (K) (by mass) (s) (K) (m/s) (%) (kg/cu m)
Release height reset to default minimum value of 1.000 m
Expansion zone length of 0.001 m
Dispersion starts as momentum jet before touchdown
0.539E-03 1.00 100. 0.805E-01 0.722E-01 254.89 0.670 0.000 254.89 144. 0.000 8.1557
0.101 1.00 90.6 0.118 0.738E-01 256.88 0.640 0.147E-02 247.74 136. 0.000 6.0510
0.301 1.00 76.2 0.135 0.107 249.66 0.593 0.301E-02 240.48 123. 0.000 4.4259
0.701 1.00 57.9 0.151 0.182 236.78 0.516 0.653E-02 233.34 104. 0.000 3.2876
1.50 0.999 39.1 0.194 0.320 227.98 0.399 0.153E-01 225.80 79.2 0.158E-28 2.5182
3.10 0.997 23.7 0.291 0.575 223.75 0.213 0.393E-01 219.34 53.7 0.281E-05 2.0427
6.30 0.979 13.2 0.494 1.10 236.97 0.360E-01 0.113 212.68 32.8 0.671 1.6915
Cloud edge has touched down
12.7 0.850 7.03 0.999 2.03 262.72 0.145E-01 0.362 208.60 18.6 5.20 1.4381
19.1 0.516 4.68 1.77 2.52 273.16 0.350E-02 0.765 207.46 13.2 4.53 1.3507
25.5 0.000 4.68 1.77 2.95 276.94 0.107E-02 1.31 206.81 10.4 4.53 1.3162
Rainout occurred at a downwind distance of : 21.589 m
and a time since release of : 0.978 s
while cloud was centred at : 25.458 m
with a rainout fraction of : 0.255 %
No bund is present
Liquid does not vaporise
Cloud centre has touched down
25.5 0.000 3.46 2.67 2.95 276.94 0.000 0.978 0.00 10.3 3.46 1.3161
25.8 0.000 3.41 2.69 3.11 277.19 0.000 1.01 0.00 9.78 3.41 1.3143
26.1 0.000 3.37 2.74 3.26 277.42 0.000 1.04 0.00 9.30 3.37 1.3125
26.7 0.000 3.29 2.85 3.55 277.88 0.000 1.12 0.00 8.41 3.29 1.3092
27.4 0.000 3.22 2.98 3.86 278.29 0.000 1.20 0.00 7.59 3.22 1.3062
28.0 0.000 3.15 3.13 4.17 278.68 0.000 1.28 0.00 6.86 3.15 1.3034
28.7 0.000 3.09 3.29 4.48 279.04 0.000 1.38 0.00 6.19 3.09 1.3007
29.3 0.000 3.03 3.48 4.80 279.38 0.000 1.49 0.00 5.59 3.03 1.2983
29.9 0.000 2.97 3.69 5.12 279.70 0.000 1.61 0.00 5.03 2.97 1.2960
30.6 0.000 2.92 3.94 5.43 280.00 0.000 1.74 0.00 4.54 2.92 1.2938
31.2 0.000 2.87 4.21 5.74 280.28 0.000 1.89 0.00 4.09 2.87 1.2918
31.9 0.000 2.82 4.52 6.03 280.54 0.000 2.06 0.00 3.68 2.82 1.2899
32.5 0.000 2.78 4.87 6.30 280.79 0.000 2.24 0.00 3.33 2.78 1.2881
33.1 0.000 2.74 5.26 6.55 281.02 0.000 2.44 0.00 3.01 2.74 1.2864
33.8 0.000 2.70 5.70 6.78 281.25 0.000 2.67 0.00 2.73 2.70 1.2848
34.4 0.000 2.67 6.18 6.97 281.46 0.000 2.91 0.00 2.48 2.67 1.2832
35.1 0.000 2.63 6.71 7.13 281.66 0.000 3.18 0.00 2.26 2.63 1.2818
35.7 0.000 2.60 7.29 7.25 281.85 0.000 3.48 0.00 2.08 2.60 1.2804
36.3 0.000 2.57 7.93 7.34 282.03 0.000 3.80 0.00 1.91 2.57 1.2791
37.0 0.000 2.54 8.61 7.39 282.20 0.000 4.15 0.00 1.77 2.54 1.2779
37.6 0.000 2.51 9.35 7.42 282.37 0.000 4.52 0.00 1.64 2.51 1.2767
38.3 0.000 2.48 10.1 7.42 282.52 0.000 4.92 0.00 1.53 2.48 1.2756
38.9 0.000 2.46 11.0 7.39 282.67 0.000 5.36 0.00 1.44 2.46 1.2746
39.5 0.000 2.43 11.8 7.34 282.82 0.000 5.81 0.00 1.35 2.43 1.2735
40.2 0.000 2.41 12.8 7.27 282.96 0.000 6.30 0.00 1.28 2.41 1.2725
41.5 0.000 2.36 14.7 7.04 283.22 0.000 7.34 0.00 1.17 2.36 1.2707
42.7 0.000 2.32 16.8 6.83 283.47 0.000 8.48 0.00 1.08 2.32 1.2689
44.0 0.000 2.28 19.0 6.58 283.70 0.000 9.72 0.00 1.00 2.28 1.2673
45.3 0.000 2.24 21.3 6.34 283.92 0.000 11.0 0.00 0.947 2.24 1.2658
46.6 0.000 2.21 23.6 6.10 284.13 0.000 12.4 0.00 0.903 2.21 1.2643
47.9 0.000 2.18 26.0 5.88 284.33 0.000 13.9 0.00 0.867 2.18 1.2629
48.5 0.000 2.16 27.2 5.83 284.43 0.000 14.6 0.00 0.843 2.16 1.2622
49.1 0.000 2.14 28.3 5.70 284.53 0.000 15.4 0.00 0.833 2.14 1.2615
49.8 0.000 2.13 29.5 5.61 284.63 0.000 16.1 0.00 0.819 2.13 1.2608
50.4 0.000 2.11 30.7 5.51 284.72 0.000 16.9 0.00 0.808 2.11 1.2602
51.1 0.000 2.09 31.9 5.42 284.82 0.000 17.7 0.00 0.797 2.09 1.2595
51.7 0.000 2.08 33.1 5.33 284.91 0.000 18.5 0.00 0.788 2.08 1.2588
52.3 0.000 2.06 34.3 5.25 285.01 0.000 19.4 0.00 0.779 2.06 1.2582
53.0 0.000 2.05 35.5 5.17 285.10 0.000 20.2 0.00 0.770 2.05 1.2575
53.6 0.000 2.03 36.7 5.09 285.19 0.000 21.0 0.00 0.763 2.03 1.2568
53.7 0.000 2.03 36.7 5.13 285.20 0.000 21.1 0.00 0.757 2.03 1.2568
53.8 0.000 2.03 36.9 5.09 285.21 0.000 21.2 0.00 0.759 2.03 1.2567
54.0 0.000 2.02 37.3 5.07 285.24 0.000 21.5 0.00 0.757 2.02 1.2565
54.4 0.000 2.01 38.0 5.01 285.30 0.000 22.0 0.00 0.755 2.01 1.2561
55.2 0.000 1.99 39.5 4.90 285.42 0.000 23.0 0.00 0.750 1.99 1.2553
56.8 0.000 1.95 42.4 4.72 285.65 0.000 25.2 0.00 0.742 1.95 1.2536
60.0 0.000 1.87 48.1 4.43 286.12 0.000 29.6 0.00 0.727 1.87 1.2504
Cloud centre has reached minimum conc. of 1.90 mol % at a downwind distance of 58.928 m
63.2 0.000 1.80 53.7 4.29 286.59 0.000 34.0 0.00 0.703 1.80 1.2471
66.4 0.000 1.72 59.3 4.15 287.06 0.000 38.6 0.00 0.689 1.72 1.2438
69.6 0.000 1.64 64.7 4.06 287.52 0.000 43.3 0.00 0.677 1.64 1.2406
72.8 0.000 1.57 70.0 3.99 287.97 0.000 48.1 0.00 0.669 1.57 1.2374
Cloud centre has reached minimum conc. of 1.61 mol % (LFL) at a downwind distance of 70.732 m
76.0 0.000 1.49 75.2 3.94 288.42 0.000 52.9 0.00 0.662 1.49 1.2343
79.2 0.000 1.42 80.3 3.90 288.84 0.000 57.7 0.00 0.657 1.42 1.2313
82.4 0.000 1.36 85.3 3.89 289.26 0.000 62.6 0.00 0.654 1.36 1.2284
85.6 0.000 1.29 90.1 3.88 289.65 0.000 67.5 0.00 0.652 1.29 1.2257
88.8 0.000 1.23 94.8 3.88 290.03 0.000 72.4 0.00 0.651 1.23 1.2230
92.0 0.000 1.17 99.4 3.89 290.40 0.000 77.3 0.00 0.651 1.17 1.2205
95.2 0.000 1.12 104. 3.91 290.74 0.000 82.2 0.00 0.652 1.12 1.2181
98.4 0.000 1.06 108. 3.93 291.07 0.000 87.1 0.00 0.654 1.06 1.2159
102. 0.000 1.02 113. 3.96 291.37 0.000 92.0 0.00 0.656 1.02 1.2137
105. 0.000 0.968 117. 3.99 291.66 0.000 96.9 0.00 0.658 0.968 1.2117
108. 0.000 0.924 121. 4.03 291.94 0.000 102. 0.00 0.661 0.924 1.2098
111. 0.000 0.883 125. 4.07 292.20 0.000 107. 0.00 0.664 0.883 1.2079
114. 0.000 0.844 129. 4.11 292.45 0.000 111. 0.00 0.668 0.844 1.2064
118. 0.000 0.807 132. 4.16 292.69 0.000 116. 0.00 0.671 0.807 1.2050
121. 0.000 0.773 136. 4.21 292.91 0.000 121. 0.00 0.675 0.773 1.2037
Cloud centre has reached minimum conc. of 0.807 mol % (LFL fraction) at a downwind distance of 117.554 m
For this weather category case modelled by route no. 5
----------------------------------------------------------------------------------------------------------------------------------
Release Conditions
------------------
Case description : Transport-Sm
Event number : 1
Continuous release of LPG
Rate of release : 6.8027 kg/s
Duration : 1176.0 s
Phase after release : two-phase
Liquid fraction : 0.67033
Velocity of release : 143.60 m/s
Droplet diameter : 1.70015E-02 mm
Height of release : 0.00000 m
Angle of release from horizontal : 0.00 deg
No bund is present
Surface type within bund : Concrete
Pasquill category : D
Wind speed at reference height : 4.0000 m/s
Surface roughness parameter : 0.10000
Atmospheric temperature at reference height : 298.15 K
Atmospheric relative humidity : 0.70000
Temperature of surface inside bund : 298.15 K
Temperature of surface outside bund : 283.00 K
----------------------------------------------------------------------------------------------------------------------------------
Started processing continuous release segment 1
Distance Height C/L Plume Plume Vapour Liquid Time Liquid C/L Conc at C/L
Conc Width Depth Temp Fraction Temp Velocity Height Density
Av. Time Av. Time
(10s) (10s)
(m) (m) (%) (m) (m) (K) (by mass) (s) (K) (m/s) (%) (kg/cu m)
Release height reset to default minimum value of 1.000 m
Expansion zone length of 0.001 m
Dispersion starts as momentum jet before touchdown
0.539E-03 1.00 100. 0.805E-01 0.722E-01 254.89 0.670 0.000 254.89 144. 0.000 8.1557
0.101 1.00 90.6 0.156 0.558E-01 256.86 0.641 0.147E-02 247.78 136. 0.000 6.0614
0.301 1.00 76.4 0.198 0.722E-01 246.85 0.589 0.300E-02 240.88 124. 0.000 4.4678
0.701 1.00 58.1 0.211 0.129 236.64 0.516 0.650E-02 233.47 105. 0.000 3.2977
1.50 0.999 39.2 0.249 0.244 228.15 0.401 0.151E-01 226.09 80.3 0.531E-21 2.5233
3.10 0.997 23.8 0.371 0.435 222.74 0.208 0.388E-01 219.58 55.1 0.159E-05 2.0523
6.30 0.980 13.3 0.633 0.817 237.75 0.449E-01 0.110 212.69 34.5 0.146 1.6887
Cloud edge has touched down
12.7 0.866 7.04 1.18 1.56 262.99 0.184E-01 0.344 208.55 20.3 3.25 1.4370
19.1 0.589 4.62 1.83 2.20 273.16 0.435E-02 0.708 207.40 14.8 4.17 1.3499
25.5 0.966E-01 4.62 1.83 2.75 277.67 0.121E-02 1.19 206.80 11.8 4.17 1.3110
Rainout occurred at a downwind distance of : 23.629 m
and a time since release of : 1.049 s
while cloud was centred at : 25.474 m
with a rainout fraction of : 0.211 %
No bund is present
Liquid does not vaporise
25.5 0.966E-01 3.36 2.56 2.75 277.67 0.000 1.05 0.00 11.8 3.35 1.3109
Cloud centre has touched down
31.8 0.000 2.57 3.41 3.27 282.04 0.000 1.64 0.00 9.96 2.57 1.2792
32.5 0.000 2.52 3.53 3.46 282.34 0.000 1.70 0.00 9.27 2.52 1.2771
33.1 0.000 2.47 3.62 3.65 282.63 0.000 1.77 0.00 8.74 2.47 1.2750
33.7 0.000 2.43 3.72 3.84 282.90 0.000 1.85 0.00 8.25 2.43 1.2731
34.4 0.000 2.38 3.83 4.03 283.15 0.000 1.93 0.00 7.80 2.38 1.2713
35.0 0.000 2.34 3.95 4.21 283.40 0.000 2.01 0.00 7.37 2.34 1.2695
35.7 0.000 2.30 4.07 4.38 283.63 0.000 2.10 0.00 6.99 2.30 1.2679
36.3 0.000 2.27 4.20 4.55 283.84 0.000 2.20 0.00 6.63 2.27 1.2664
36.9 0.000 2.23 4.34 4.71 284.05 0.000 2.30 0.00 6.30 2.23 1.2649
37.6 0.000 2.20 4.49 4.86 284.25 0.000 2.40 0.00 6.00 2.20 1.2635
38.2 0.000 2.17 4.65 4.99 284.43 0.000 2.51 0.00 5.72 2.17 1.2622
38.9 0.000 2.14 4.81 5.12 284.61 0.000 2.62 0.00 5.47 2.14 1.2609
39.5 0.000 2.11 4.99 5.23 284.78 0.000 2.74 0.00 5.24 2.11 1.2597
40.1 0.000 2.08 5.17 5.33 284.94 0.000 2.87 0.00 5.03 2.08 1.2586
40.8 0.000 2.06 5.36 5.42 285.10 0.000 3.00 0.00 4.84 2.06 1.2575
41.4 0.000 2.03 5.55 5.49 285.25 0.000 3.13 0.00 4.66 2.03 1.2564
42.1 0.000 2.01 5.76 5.56 285.39 0.000 3.27 0.00 4.50 2.01 1.2554
42.7 0.000 1.99 5.97 5.61 285.53 0.000 3.42 0.00 4.35 1.99 1.2545
43.3 0.000 1.97 6.19 5.64 285.66 0.000 3.57 0.00 4.22 1.97 1.2536
44.0 0.000 1.95 6.41 5.67 285.78 0.000 3.72 0.00 4.10 1.95 1.2527
44.6 0.000 1.93 6.64 5.69 285.91 0.000 3.88 0.00 3.99 1.93 1.2518
45.3 0.000 1.91 6.88 5.70 286.02 0.000 4.04 0.00 3.88 1.91 1.2510
45.9 0.000 1.89 7.12 5.70 286.13 0.000 4.21 0.00 3.79 1.89 1.2502
Cloud centre has reached minimum conc. of 1.90 mol % at a downwind distance of 45.487 m
46.5 0.000 1.87 7.36 5.69 286.24 0.000 4.38 0.00 3.71 1.87 1.2495
47.2 0.000 1.85 7.61 5.68 286.35 0.000 4.55 0.00 3.63 1.85 1.2487
47.8 0.000 1.84 7.86 5.66 286.45 0.000 4.73 0.00 3.56 1.84 1.2480
48.5 0.000 1.82 8.12 5.63 286.55 0.000 4.91 0.00 3.49 1.82 1.2473
49.1 0.000 1.80 8.38 5.60 286.64 0.000 5.10 0.00 3.43 1.80 1.2467
49.7 0.000 1.79 8.64 5.57 286.73 0.000 5.28 0.00 3.38 1.79 1.2460
50.4 0.000 1.77 8.90 5.54 286.82 0.000 5.48 0.00 3.33 1.77 1.2454
51.0 0.000 1.76 9.17 5.50 286.91 0.000 5.67 0.00 3.28 1.76 1.2448
52.3 0.000 1.73 9.70 5.41 287.08 0.000 6.06 0.00 3.21 1.73 1.2436
53.6 0.000 1.71 10.2 5.32 287.24 0.000 6.47 0.00 3.14 1.71 1.2425
56.1 0.000 1.66 11.3 5.11 287.54 0.000 7.30 0.00 3.04 1.66 1.2404
58.7 0.000 1.61 12.4 4.94 287.82 0.000 8.15 0.00 2.95 1.61 1.2385
Cloud centre has reached minimum conc. of 1.61 mol % (LFL) at a downwind distance of 58.607 m
61.3 0.000 1.57 13.5 4.78 288.08 0.000 9.03 0.00 2.89 1.57 1.2367
63.8 0.000 1.53 14.6 4.63 288.33 0.000 9.92 0.00 2.84 1.53 1.2349
66.4 0.000 1.49 15.6 4.49 288.57 0.000 10.8 0.00 2.81 1.49 1.2333
68.9 0.000 1.45 16.6 4.37 288.81 0.000 11.7 0.00 2.78 1.45 1.2316
71.5 0.000 1.42 17.7 4.27 289.04 0.000 12.7 0.00 2.75 1.42 1.2300
74.1 0.000 1.38 18.6 4.18 289.26 0.000 13.6 0.00 2.73 1.38 1.2285
76.6 0.000 1.34 19.6 4.11 289.48 0.000 14.5 0.00 2.72 1.34 1.2270
79.2 0.000 1.31 20.6 4.04 289.70 0.000 15.5 0.00 2.71 1.31 1.2255
79.4 0.000 1.31 20.7 4.05 289.72 0.000 15.6 0.00 2.70 1.31 1.2253
79.7 0.000 1.30 20.8 4.04 289.74 0.000 15.7 0.00 2.70 1.30 1.2252
80.2 0.000 1.30 21.0 4.02 289.78 0.000 15.9 0.00 2.70 1.30 1.2249
81.2 0.000 1.28 21.3 4.00 289.87 0.000 16.2 0.00 2.69 1.28 1.2243
81.3 0.000 1.28 21.4 4.00 289.88 0.000 16.3 0.00 2.69 1.28 1.2242
81.4 0.000 1.28 21.4 4.00 289.89 0.000 16.3 0.00 2.69 1.28 1.2242
81.5 0.000 1.28 21.4 4.00 289.89 0.000 16.3 0.00 2.69 1.28 1.2241
81.6 0.000 1.28 21.5 4.00 289.90 0.000 16.4 0.00 2.69 1.28 1.2241
81.8 0.000 1.27 21.5 3.99 289.91 0.000 16.4 0.00 2.69 1.27 1.2240
82.2 0.000 1.27 21.7 3.98 289.95 0.000 16.6 0.00 2.69 1.27 1.2237
83.0 0.000 1.26 22.0 3.97 290.01 0.000 16.9 0.00 2.69 1.26 1.2233
84.6 0.000 1.24 22.5 3.94 290.14 0.000 17.5 0.00 2.69 1.24 1.2224
87.8 0.000 1.20 23.7 3.89 290.40 0.000 18.7 0.00 2.68 1.20 1.2206
91.0 0.000 1.16 24.8 3.86 290.65 0.000 19.9 0.00 2.68 1.16 1.2188
94.2 0.000 1.12 25.9 3.84 290.90 0.000 21.1 0.00 2.67 1.12 1.2171
97.4 0.000 1.08 26.9 3.82 291.15 0.000 22.3 0.00 2.67 1.08 1.2154
101. 0.000 1.04 28.0 3.82 291.38 0.000 23.5 0.00 2.67 1.04 1.2138
104. 0.000 1.01 29.0 3.82 291.61 0.000 24.7 0.00 2.67 1.01 1.2122
107. 0.000 0.970 30.0 3.83 291.83 0.000 25.9 0.00 2.67 0.970 1.2107
110. 0.000 0.937 31.0 3.84 292.04 0.000 27.1 0.00 2.67 0.937 1.2092
117. 0.000 0.873 32.9 3.89 292.45 0.000 29.5 0.00 2.67 0.873 1.2065
123. 0.000 0.814 34.8 3.94 292.83 0.000 31.9 0.00 2.68 0.814 1.2043
129. 0.000 0.760 36.6 4.01 293.18 0.000 34.2 0.00 2.68 0.760 1.2023
Cloud centre has reached minimum conc. of 0.807 mol % (LFL fraction) at a downwind distance of 123.779 m
For this weather category case modelled by route no. 5
Weather 1
Horizontal Jet Fire
Radiation Level Effect Distance Major Axis Minor Axis Area
kW/sq m m m m sq m
4.00000 94.6300 47.4186 41.6586 6205.88
12.5000 80.5988 37.8202 19.4246 2307.94
37.5000 68.6886 31.8651 1.00000 100.107
Weather 2
Horizontal Jet Fire
Radiation Level Effect Distance Major Axis Minor Axis Area
kW/sq m m m m sq m
4.00000 84.8865 43.6587 42.0587 5768.69
12.5000 70.0048 34.8627 21.5263 2357.66
37.5000 59.2993 27.9393 1.00000 87.7740
Weather 1
Early Pool Fire Results
Radiation Level Effect Distance Major Axis Minor Axis Area
kW/sq m m m m sq m
4.00000 2.28121 1.71009 1.00000 5.37240
12.5000 2.26708 1.66609 1.00000 5.23419
Radiation level 3 is not reached.
Weather 2
Early Pool Fire Results
Radiation Level Effect Distance Major Axis Minor Axis Area
kW/sq m m m m sq m
4.00000 2.69085 1.92159 1.09166 6.59020
12.5000 2.56162 1.82817 1.00000 5.74335
Radiation level 3 is not reached.
Weather 1
Late Pool Fire Results
Radiation Level Effect Distance Major Axis Minor Axis Area
kW/sq m m m m sq m
4.00000 12.0268 9.05012 8.12569 231.028
12.5000 6.51735 4.67571 3.54473 52.0692
37.5000 1.65692 1.50992 1.49103 7.07275
Weather 2
Late Pool Fire Results
Radiation Level Effect Distance Major Axis Minor Axis Area
kW/sq m m m m sq m
4.00000 11.1900 7.97733 6.37733 159.826
12.5000 6.59976 4.44509 2.84509 39.7307
37.5000 1.47659 1.30945 1.27185 5.23209
16-FEB-2001 11:53:04.00 : Finished case number 1