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. 2021 May 4;10(5):1006. doi: 10.3390/foods10051006

Table 1.

Specific energy consumption equations for different dryers and ultrasonic pretreatment.

Energy Consumption at Dryer Reference
Et (hot air) = Equations (2) + Equations (3) [21]
Et (microwave–hot-air) = Equations (2) + Equations (3) + Equations (5) [22]
Et (infrared–hot air) = Equations (3) + Equations (4) [21]
Et (ultrasonic + hot air) = Equations (3) + Equations (4) + Equations (7) [23]
Et (ultrasonic + microwave–hot-air) = Equations (2) + Equations (3) + Equations (5) + Equations (7) [12]
Et (ultrasonic + infrared–hot air) = Equations (3) + Equations (4) + Equations (7) [12]
Et (freeze) = Equations (8) [4]