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Table 1.
Emissivity values used in this study
| Object | Temperature values (°C) | Emissivity |
|---|---|---|
| Boiling water | 100 | 0.98 |
| Melting ice | 0 | 0.98 |
| Tear duct | 35 | 0.98 |
| Black body source | 35 to 40 | 0.95 |