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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