Various Air Solar Collector Systems For Drying Lemon-Grass (Cymbopogon citratus) | ||||
| Alexandria Journal of Food Science and Technology | ||||
| Article 2, Volume 9, Issue 1, June 2012, Page 9-15 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ajfs.2012.20213 | ||||
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| Abstract | ||||
| Different systems of air solar collectors were used with an active solar dryer to study the drying options of a thin layer of lemon-grass (Cymbopogon citratus). Three air solar collector systems were tested by outlet air temperature, absorbed energy, gained energy and thermal efficiency. The results indicated that, the additional collector plate to the most common air solar collector and the additional air flow passing upper and lower the absorbed plate, increased outlet air temperature by 18.5%, followed by increasing the energy gained by 41%, and increasing of the thermal efficiency of the air solar collector by 69%. That system increased the drying rate of lemon-grass by 37.5%. | ||||
| Keywords | ||||
| active solar drying; Lemon grass; Thermal Efficiency; drying chamber | ||||
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