Performance Assessment of Banana Drying using a Forced Convection Solar Dryer
Aravind S1, Milan K John2, Rohinikumar B3, Muraleedharan C4
1B Rohinikumar, Department of Mechanical Engineering, National Institute of Technology, Calicut (Kerala), India.
2Aravind S, Pursuing Master Technology, Energy Engineering and Management, Department of Mechanical Engineering, National Institute of Technology, Calicut (Kerala), India.
3Milan K John, Pursuing Ph.D, Department of Mechanical Engineering, National Institute of Technology, Calicut (Kerala), India.
4Dr. Muraleedharan C, Ph.D Degree, Department of Mechanical Engineering, University of Calicut (Kerala), India.
Manuscript received on 30 June 2020 | Revised Manuscript received on 07 July 2020 | Manuscript Published on 11 August 2020 | PP: 1-6 | Volume-9 Issue-9S July 2020 | Retrieval Number: 100.1/ijitee.I10010799S20 | DOI: 10.35940/ijitee.I1001.0799S20
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Abstract: Among all the noteworthy preservation techniques for food items, drying is considered to be one of the most consequential one. Different types of drying systems exist bottomed on the manner in which air flow takes place in the drying chamber and method of utilising incident solar radiation for drying. An indirect forced convection solar drying system with a dryer of varying cross section was considered in the present work. Banana (Musa Paradisiaca) was the raw material to be dried. Performance of the system at discharges of 0.03 and 0.02 kg/s, respectively for the specified mass of product was obtained and compared with open sun drying in the range of 66.3% – 9.9% of wet basis moisture content. Drying process in chamber drying was completed four and two hours earlier than open sun drying at discharges of 0.03 kg/s and 0.02 kg/s, respectively. Cumulative and tray wise instantaneous drying rates were found and obtained maximum drying rates of 75 g/h and 15 g/h, respectively. Trend of moisture ratio against time was obtained by polynomial fitting which has satisfactory agreement with available mathematical model.
Keywords: Banana, Indirect Solar Drying, Tray Wise Drying, Experimental Performance.
Scope of the Article: Mechanical Maintenance