Table 2. Descriptive statistics of heat stress indices in different sections .
Section | Wet-bulb globe temperature (WBGT) (°C) | Predicted heat strain (PHS) (g/h) | Heat stress index (HSI) (%) | Discomfort index (DI) (°C) | Corrected effective temperature (CET) (°C) | Effective temperature (ET) (°C) |
Furnace | ||||||
Mean (SD) | 30.8 (3.45) | 905.91 (226.46) | 121.32 (44.8) | 33.49 (3.69) | 29.02 (0.64) | 28.26 (1.54) |
Range | 12.85 | 700 | 151.04 | 13.45 | 2.64 | 5.75 |
Handling | ||||||
Mean (SD) | 26.74 (1.42) | 623.58 (122.33) | 60.39 (11.22) | 29.16 (1.85) | 28.68 (0.64) | 26.69 (1.10) |
Range | 7.78 | 660 | 60.08 | 10.30 | 2.81 | 5.75 |
Conveyors | ||||||
Mean (SD) | 26.58 (0.46) | 591.95 (93.01) | 61.54 (4.61) | 28.94 (0.67) | 28.83 (0.39) | 26.81 (0.53) |
Range | 1.49 | 390 | 16.20 | 2.31 | 1.16 | 1.90 |
Tempering and molding | ||||||
Mean (SD) | 25.13 (0.99) | 555.91 (77.50) | 47.09 (8.96) | 27.39 (1.47) | 27.41 (0.94) | 25.01 (1.54) |
Range | 3.49 | 300 | 24.63 | 3.60 | 3.16 | 4.00 |
Total | ||||||
Mean (SD) | 27.98 (3.11) | 709.29 (217.31) | 81.29 (4.11) | 30.46 (3.40) | 28.69 (0.78) | 27.09 (1.59) |
Range | 13.56 | 830 | 151.04 | 13.45 | 3.43 | 5.75 |