Recent progress on solar cabinet dryers for agricultural products equipped with energy storage using phase change materials

被引:77
作者
Kalantar, Vali [1 ]
Kargarsharifabad, Hadi [2 ,3 ]
Jahromi, Mohammad Saleh Barghi [1 ]
Akhijahani, Hadi Samimi
机构
[1] Yazd Univ, Dept Mech Engn, Yazd, Iran
[2] Univ Kurdistan, Fac Agr, Dept BioSyst Engn, Sanandaj, Iran
[3] Islamic Azad Univ, Energy & Sustainable Dev Res Ctr, Semnan Branch, Semnan, Iran
关键词
Solar drying system; Cabinet dryers; Energy storage system; Phase change material; Latent heat storage; LATENT-HEAT-STORAGE; THERMAL CYCLE TEST; NUMERICAL-ANALYSIS; DRYING KINETICS; AIR COLLECTOR; PARAFFIN WAX; PERFORMANCE; DESIGN; SYSTEMS; SIMULATION;
D O I
10.1016/j.est.2022.104434
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
Solar energy can be used directly and indirectly in thermal processes such as solar dryers. Solar dryers have a high potential to dry wet samples, especially agricultural products with advanced technologies. The thermal energy storage system is used in thermal systems to enhance performance and may reduce the amount of time or level of uncertainty among supply and demand processes. In this paper, several drying systems, especially cabinet types assisted with phase change material (PCM), were reviewed. Different technologies for thermal energy storage in materials such as sensible and latent heat which were used in solar drying systems were investigated. Reviewing the literature indicated that PCMs have been more focused on high latent and sensible heat. Thus, using them in cabinet dryers leads to significant improvement in the quality of the dried products. Overall, the thermal efficiency of the dryers and collectors with PCM will respectively increase about 2.98-39% and 15.6-62% compared to the system without PCM. Computational fluid dynamics (CFD) modeling of solar cabinet dryers with PCM was investigated in the present review. CFD method was applied to the solar drying system to predict the variations of temperature in the collector and dryer and achieved the optimized conditions for the system assisted with PCM. Employing other new technologies such as desiccant systems, recycling mechanisms, usage of nano-fluids and nanoparticles in the dryer, and PCM can improve the thermal performance of solar dryers.
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页数:34
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