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Title: Experimental investigation on a solar tunnel drier for copra drying
Authors: Ayyappan, S
Mayilsamy, K
Keywords: Copra
Drier efficiency
Moisture content
Solar tunnel drier
Issue Date: Aug-2010
Publisher: CSIR
Abstract: A natural convection solar tunnel drier (STD) was developed for copra drying under meteorological conditions of Pollachi, India. STD reduced moisture content from 52.2% to 8% in 57 h under full load and 52 h under half load conditions. Drying in bottom tray was lower (2%) than that of top tray. Average efficiency of STD was estimated as 20%. Quality of copra obtained was good (84.66% Milling copra Grade 1) as compared to open sun drying (53%).
Page(s): 635-638
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.69(08) [August 2010]

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