Research Article
A Novel Parabolic Trough Concentrating Solar Heating for Cut Tobacco Drying System
Table 1
Main parameters of cut tobacco drying system.
| | Parabolic trough concentrator mirror |
| | Reflectivity | 0.9 | | Opening width | 3.2 m | | Lighting area | 30 m2 | | Length | 10 m |
| | Metallic V cavity absorber |
| | Opening width | 4 cm, 7 cm | | Internal surface coating | Aluminum anodic oxide film | | Absorptivity | 0.85~0.9 | | Emissivity | 0.1~0.2 |
| | Variable diameter drying pipe |
| | Part 1 | Height: 1.2 m, diameter: 200 mm | | Part 2 | Height: 2 m, diameter: 300 mm | | Total height | 3.25 m |
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