From: How to transport veterinary drugs in insulated boxes to avoid thermal damage by heating or freezing
Box X | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
No of additional 1000 mL water bottles | 0 | 1 | 2 | 4 | 6 | 10 | 14 | 15 | 20 | 24 |
Heat capacity of the additional water bottles c w (kJ K−1) | 0.0 | 4.2 | 8.4 | 16.7 | 25.1 | 41.8 | 58.5 | 62.7 | 83.6 | 100.3 |
Entire heat capacity c (kJ K−1) | 2.3 | 6.5 | 10.6 | 19.0 | 27.4 | 44.1 | 60.8 | 65.0 | 85.9 | 102.6 |
Filling degree F (%) | 2 | 6 | 9 | 17 | 24 | 39 | 54 | 58 | 76 | 91 |
Thermal constant γ (h−1) | 0.6184 | 0.2183 | 0.1325 | 0.0742 | 0.0515 | 0.0320 | 0.0232 | 0.0217 | 0.0164 | 0.0137 |
Retention time of the inside temperature in the recommended range (h) | ||||||||||
Winter cool 2 °C – 25 °C | 1.7 | 4.9 | 8.1 | 14.4 | 20.8 | 33.5 | 46.2 | 49.3 | 65.2 | 77.9 |
Winter cold 2 °C – 8 °C | 0.7 | 1.9 | 3.1 | 5.5 | 7.9 | 12.7 | 17.5 | 18.7 | 24.7 | 29.5 |
Summer cool 2 °C – 25 °C | 2.8 | 7.9 | 13.0 | 23.2 | 33.4 | 53.9 | 74.3 | 79.4 | 104.9 | 125.4 |
Summer cold 2 °C – 8 °C | 0.4 | 1.1 | 1.8 | 3.2 | 4.7 | 7.5 | 10.4 | 11.1 | 14.7 | 17.5 |
Box Y | ||||||||||
No of additional 1000 mL water bottles | 0 | 1 | 2 | 4 | 6 | 10 | 20 | 30 | 40 | 49 |
Heat capacity of the additional water bottles c w (kJ K−1) | 0.0 | 4.2 | 8.4 | 16.7 | 25.1 | 41.8 | 83.6 | 125.4 | 167.2 | 204.8 |
Entire heat capacity c (kJ K−1) | 2.3 | 6.5 | 10.6 | 19.0 | 27.4 | 44.1 | 85.9 | 127.7 | 169.5 | 207.1 |
Filling degree F (%) | 1 | 3 | 5 | 9 | 13 | 21 | 41 | 61 | 81 | 99 |
Thermal constant γ (h−1) | 0.9277 | 0.3274 | 0.1988 | 0.1113 | 0.0773 | 0.0480 | 0.0246 | 0.0166 | 0.0125 | 0.0102 |
Retention time of the inside temperature in the recommended range (h) | ||||||||||
Winter cool 2 °C – 25 °C | 1.2 | 3.3 | 5.4 | 9.6 | 13.8 | 22.3 | 43.5 | 64.6 | 85.8 | 104.8 |
Winter cold 2 °C – 8 °C | 0.4 | 1.2 | 2.0 | 3.6 | 5.2 | 8.5 | 16.5 | 24.5 | 32.5 | 39.7 |
Summer cool 2 °C – 25 °C | 1.9 | 5.3 | 8.7 | 15.5 | 22.3 | 35.9 | 70.0 | 104.0 | 138.0 | 168.7 |
Summer cold 2 °C – 8 °C | 0.3 | 0.7 | 1.2 | 2.2 | 3.1 | 5.0 | 9.8 | 14.6 | 19.3 | 23.6 |