|
| Parameters | Unit | Uncertainty comment |
|
| Measured | | |
| Ambient air temperature | °C | ±0.17 |
| Inlet air temperature of heat pump | °C | ±0.17 |
| Outlet air temperature of heat pump | °C | ±0.17 |
| Inlet air temperature of condenser | °C | ±0.17 |
| Outlet air temperature of condenser | °C | ±0.17 |
| Inlet air temperature of solar collector | °C | ±0.17 |
| Outlet air temperature of solar collector | °C | ±0.17 |
| Inlet air temperature of biomass furnace | °C | ±0.17 |
| Outlet air temperature of biomass furnace | °C | ±0.17 |
| Inlet air temperature of drying chamber | °C | ±0.17 |
| Outlet air temperature of drying chamber | °C | ±0.17 |
| Ambient air relative humidity | % | ±0.22 |
| Inlet air relative humidity of heat pump | % | ±0.22 |
| Outlet air relative humidity of heat pump | % | ±0.22 |
| Inlet air relative humidity of drying chamber | % | ±0.22 |
| Outlet air relative humidity of drying chamber | % | ±0.22 |
| Solar radiation | W/m2 | ±0.14 |
| Air velocity | m/s | ±0.24 |
| Mass loss of samples | g | ±0.014 |
| Mass loss of products | kg | ±0.11 |
| Reading values of table (, , CV, and ) | — | ±0.1–0.2 |
| Time measurement | min | ±0.1 |
|
| Calculated | | |
| Air mass flow rate | kg/s | ±0.26 |
| Power consumption of compressor | kW | ±0.056 |
| Power consumption of blower | kW | ±0.037 |
| Thermal efficiency of solar collector | % | ±0.39 |
| Coefficient of performance of heat pump | — | ±0.37 |
| Thermal efficiency of biomass furnace | % | ±0.458 |
| Moisture content | g water/g wet material | ±0.024 |
| Drying rate | kg/h | ±0.18 |
| Specific moisture extraction rate | kg/kWh | ±0.336 |
| Thermal efficiency of dryer | % | ±0.350 |
| Contribution heat energy by condenser | % | ±0.736 |
| Contribution heat energy by solar collector | % | ±0.736 |
| Contribution heat energy by biomass furnace | % | ±0.736 |
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