Convection Heat Transfer&Coef
| Material / apparatus | Alpha 1 in W / m2K | Alpha 2 in W / m2K |
| Evaporator between firegas and wall / Verdampfer zw. Feuergas u. Wand | 23 | 58 |
| Evaporator between wall and water/ Verdampfer zw. Wand u. Wasser | 58000 | 117000 |
| Superheater between tubewall and firegas or steam / Ueberhitzer zw. Rohrwand u. Feuergas o. Dampf | 35 | 58 |
| Air heater between plate and air or firegas / Lufterhitzer zw. Blechwand u. Luft o. Feuergas | 12 | 23 |
| Water preheater between firegas and tubewall / Wasservorwärmer zw. Feuergas u. Rohrwand | 17 | 35 |
| Water preheater between tubewall and water / Wasservorwärmer zw. Rohrwand u. Wasser | 58000 | 92000 |