Solar dryers for tropical food preservation: Thermophysics of crops, systems and components

被引：52
|
作者：
Tomar, Vivek [1 ]
Tiwari, G. N. [1 ]
Norton, Brian [2 ]
机构：
[1] Indian Inst Technol Delhi, Ctr Energy Studies, New Delhi 110016, India
[2] Dublin Inst Technol, Dublin Energy Lab, Dublin 7, Ireland
来源：
SOLAR ENERGY | 2017年 / 154卷
关键词：
Drying; Solar dryer; Moisture content; Drying rates; Thin-layer drying; Crop properties; Psychrometrics; Air heating solar collector; ABSORBER CABINET DRYER; ENERGY DRYING SYSTEMS; NATURAL-CONVECTION; PERFORMANCE EVALUATION; FORCED-CONVECTION; THERMAL STORAGE; GRAIN DRYER; AIR HEATER; MIXED-MODE; SHRINKAGE;
D O I：
10.1016/j.solener.2017.05.066
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Drying reduces the moisture content of harvested crops thus slowing decay processes to enable longer term storage. Solar dryers contain the crop being dried, to enhance solar energy collection incurring lower crop losses than are associated with open-sun drying and recurrent costs than are inherent to uses of fossil-fuels for drying. The influences of key environmental, operational and design parameters for solar dryers are discussed including: (i) psychrometry of drying processes and ambient conditions, (ii) how initial crop properties are converted to final desired product attributes, (iii) feasibility of using powered components such as fans and (iv) air-heating solar collector selection. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2 / 13
页数：12
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