Research Article

Drying Characteristics and Model of Chinese Hawthorn Using Microwave Coupled with Hot Air

Table 2

Uncertainties of the parameters during drying of hawthorn slices.

ParameterUnitComment

Hot air distributor inlet temperature°C±0.35
Hot air distributor outlet temperature°C±0.35
Microwave cavity inlet temperature°C±0.35
Centrifugal blower outlet temperature°C±0.35
Ambient air temperature°C±0.5
Heater outlet temperature°C±0.5
Mass loss valuesmin±0.1
Temperature valuemin±0.1
Uncertainty in the air velocity measurementm/s0.12
Uncertainty in the hawthorn slices weight measurementg0.1
Uncertainty in the initial moisture content measurement of hawthorn slicesg0.001
Uncertainty in the mass loss measurementg0.1
Uncertainty in reading values of table (, cp.)%±0.1-0.2