| Authors | Conditions | Temperature, ˚C | αc.eff, W/m2K |
| Starovoit et al. | Coke bed at USTK *) | 850 | 100 |
| Golubev et al. | Single piece at USTK | - | 120 |
| Zabezhinsky | Processing of experimental data of model plot plant | 900 | 90 - 110 |
| Zabrodsky | Fluidized bed | 1000 | 100 |
| Zabrodsky | Fluidized bed, ∆T ≤ 100˚C, ultimate value | 1000 | 186 |