Performance evaluation of a solar powered air dryer for white oyster mushroom drying

Mustayen, A.G.M.B. and Rahman, M.M. and Mekhilef, S. and Saidur, R. (2015) Performance evaluation of a solar powered air dryer for white oyster mushroom drying. International Journal of Green Energy, 12 (11). pp. 1113-1121. ISSN 1543-5075

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Abstract

In this paper, the performance of an efficient solar dryer was experimentally investigated and tested. The dryer was configured for harvesting maximum rate of solar radiation by having a longer drying period. The three axial flow fans provide the air inlet which can accelerate the drying rate. An electrical backup was also used for continuous drying process. Final moisture content and cabinet temperature (CT) were recorded and compared to the open sun drying and oven drying process. White oyster mushroom was dried at 50 degrees C to 60 degrees C and the desired moisture content of 7.97 has been achieved without affecting the product color. Activation energy, product output rate (POR), evaporation rate have been calculated. Shrinkage of drying mushroom was analyzed at different temperatures. The important climatic variables such as solar radiation, temperature and relative humidity are the main factors that affect the drying rate constant (k). Final output indicates that the quality of dried product in solar powered air dryer was competitive with the branded products available in the market. This drying system can be used for a wide range of agricultural products.

Item Type: Article
Additional Information: ISI Document Delivery No.: CL3AS Times Cited: 0 Cited Reference Count: 23 Cited References: Al-Juamily KEJ, 2007, DESALINATION, V209, P163, DOI 10.1016/j.desal.2007.04.026 Bala B. K., 2009, P INT SOL FOOD PROC Carpenter J. F., 1994, ACS S SERIES Ciurzynska A., 2011, FREEZE DRYING APPL F Funebo T, 1998, J FOOD ENG, V38, P353, DOI 10.1016/S0260-8774(98)00131-9 Ghorai S, 2009, FOOD RES INT, V42, P577, DOI 10.1016/j.foodres.2009.02.019 Giri SK, 2007, J FOOD ENG, V78, P512, DOI 10.1016/j.jfoodeng.2005.10.021 Gregori A, 2007, FOOD TECHNOL BIOTECH, V45, P238 Jain D, 2003, ENERGY, V28, P37, DOI 10.1016/S0360-5442(02)00084-1 Jena S, 2013, PARTICUOLOGY, V11, P607, DOI 10.1016/j.partic.2012.07.015 JUANG RH, 1984, ANAL BIOCHEM, V141, P348, DOI 10.1016/0003-2697(84)90053-8 Kotwaliwale N, 2007, J FOOD ENG, V78, P1207, DOI 10.1016/j.jfoodeng.2005.12.033 Mwithiga G, 2006, J FOOD ENG, V74, P247, DOI 10.1016/j.jfoodeng.2005.03.018 Prakash O, 2013, INT J GREEN ENERGY, V10, P690, DOI 10.1080/15435075.2012.727113 Prasad J, 2006, INT J GREEN ENERGY, V3, P79, DOI 10.1080/01971520500439526 Ratti C, 2001, J FOOD ENG, V49, P311, DOI 10.1016/S0260-8774(00)00228-4 Sahin AZ, 2002, INT J HEAT MASS TRAN, V45, P3267, DOI 10.1016/S0017-9310(02)00057-1 Schirmer P, 1996, RENEW ENERG, V7, P119, DOI 10.1016/0960-1481(95)00138-7 Sevik S, 2013, ENERG CONVERS MANAGE, V72, P171, DOI 10.1016/j.enconman.2012.09.035 Shukla BD, 2007, J FOOD ENG, V80, P741, DOI 10.1016/j.jfoodeng.2006.06.025 Sreekumar A, 2008, ENERG CONVERS MANAGE, V49, P1388, DOI 10.1016/j.enconman.2008.01.005 Tripathy PP, 2009, INT J GREEN ENERGY, V6, P143, DOI 10.1080/15435070902784863 Weller C. L., 1993, DRYING RATE CONSTANT Mustayen, A. G. M. B. Rahman, Mohammad Mahbubur Mekhilef, S. Saidur, R. Engineering, Faculty /I-7935-2015 Engineering, Faculty /0000-0002-4848-7052 Ministry of Higher Education of Malaysia UM.C/HIR/MOHE/ENG/16001-00-D000024; University of Malaya UM.C/HIR/MOHE/ENG/16001-00-D000024 The authors would like to thank Ministry of Higher Education of Malaysia and University of Malaya for providing financial support under the research Grant no. UM.C/HIR/MOHE/ENG/16001-00-D000024. 0 TAYLOR & FRANCIS INC PHILADELPHIA INT J GREEN ENERGY
Uncontrolled Keywords: Solar powered air dryer, shrinkage, final moisture constant, white oyster mushroom, open sun, hot-air, system,
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 09 Jun 2016 00:22
Last Modified: 11 Oct 2017 08:48
URI: http://eprints.um.edu.my/id/eprint/15832

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