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KMID : 0380619790110040258
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Korean Journal of Food Science and Technology
1979 Volume.11 No. 4 p.258 ~ p.263
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Studies on the Focusing Solar Agricultural Crop Dryer
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Abstract
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A cylindrical focusing solar food dryer made with aluminum-laminated acryl film was demonstrated for the dehydration of agricultural product and its perfomance was analyzed with respect to the solar energy utilization and its scale-up technology.
With one square meter reflector and a 74 ㎝ copper pipe absorber, the heat exchange efficiency between air stream and absorber was 1.39 %. The installation of circular segment-bade increased 33 % of the efficiency. In dehydration of radish-cut with this drier, 58 % of fuel consumption was saved. The relationship between reflector area and heat energy utilization was established for the scale-up purpose.
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