Performance and Experimental Studies on VortexCirculating Bed Solar Dryer
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 8
Abstract
Numerous types of solar dryers have been designed and developed in various part of the world. Various topics in sun and solar drying are discussed in many scientific reports, research manuscripts and books. This research paper focused on fabricating and testing for drying chillies by using flat plate collector and vortex- circulating bed solar dryer. The advantage of the vortex circulating bed is to provide constant movement of the chillies over the bed in order to enhance the resident time with hot air. Vortex circular motion technique provides efficient agitation. The model can predict the change in the temperature of air, relative humidity, the moisture content and the dryer thermal efficiency. In this project the experiment is performed on 6m/s. 5m/s and 4m/s of velocity of air. On that particular velocity of air the moisture removal from chillies of solar dryer is observed that 42.85%, 39.35% and 38.15% respectively. As compared to open sun drying it is much higher. The average efficiencies are obtained for mentioned air velocities are 18.92%, 17.42% and 18.60% respectively. The quality of the product obtained after solar drying is much better than open sun drying. The dryer exhibited sufficient ability to dry food items reasonably rapidly to a safe moisture level and simultaneously it ensures a superior quality of the dried product.
Authors and Affiliations
R. D. Gorle, Pradip D. Thakre, S. K. Bhele, N. P. Mungle
Keywords
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