Experimental Evaluation on Large Scale Solar Dryer for Drying Natural Fiber in Malaysia

Ag Sufiyan bin Abd Hamid, Adnan bin Ibrahim, Sohif bin Mat, Kamaruzzaman bin Sopian

Abstract


Drying process is one of the most common application used in solar thermal. This experiment was tested on performance of large-scale solar dryer to dry natural fiber. The dryer consists of several main component such as solar thermal collector, heat exchangers and confine polycarbonate chamber. Average solar irradiance, ambient temperature and relative humidity recorded are 612.84 W/m2, 32.42 oC and 60.01 %. The drying completed in 3 days or 14.58 hours, and able to reduce 1004.2 kg weight and 70.7 % moisture content wet basis. Performance of the dryer evaluated based on evaporative capacity, specific moisture extraction rate and specific energy consumption, and the values are 68.88 kg/hr, 3.55 kg/kWh and 0.28 kWh/kg respectively. Cost of operation determined as RM117.13 per cycle and cost of product was RM0.28 for every kilogram dried fiber produce. Based on capital cost, annual return of investment and profit, payback period estimated is about 3.7 years.

Keywords


solar energy; large solar dryer; drying performance; kenaf; natural fiber.

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v9i2.9070.g7629

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