Table 2 Mechanical and thermal properties of the materials of the insulated boxes and the drugs inside [15,16,17]
From: How to transport veterinary drugs in insulated boxes to avoid thermal damage by heating or freezing
Mechanical and thermal properties | Symbol | Value |
|---|---|---|
Density (kg m−3) | ||
Glass | ρ G | 2600 |
Air | ρ A | 1.2 |
Water | ρ W | 1003 |
Specific heat capacity (J K−1 kg−1) | ||
Glass | c G | 750 |
Air | c A | 1000 |
Water | c W | 4190 |
Drugs (dry) (drugs, blister pack, card) | c d | ~1100 |
Drug (liquid) (drugs, bottle) | c l | ~4000 |
Heat conductivity (W K−1 m−1) | ||
Expanded polystyrene (EPS) | λ | 0.028 |
Vacuum plates | λ | 0.005 |
Heat transfer coefficient (W K−1 m−2) | ||
Inside and outside | αi and αo | 3.0 |