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  • 标题:Substatiation of the constructive-technologocal parameters of a solar fruit dryer
  • 本地全文:下载
  • 作者:Serhiy Korobka ; Mykhailo Babych
  • 期刊名称:Eastern-European Journal of Enterprise Technologies
  • 印刷版ISSN:1729-3774
  • 电子版ISSN:1729-4061
  • 出版年度:2017
  • 卷号:1
  • 期号:8
  • 页码:13-19
  • DOI:10.15587/1729-4061.2017.90299
  • 语种:English
  • 出版社:PC Technology Center
  • 摘要:A design of solar dryer for fruit drying is proposed, which includes the use of a flat mirror concentrator – to enhance the slanting flows of morning and evening solar radiation, and a thermal battery based on pebble for the accumulation during night time of excess heat from the reserve source of energy. This makes it possible to maintain a stable mode of drying the fruits over 24 hours and to increase the efficiency of drying process by 20 % under conditions of private peasant farms.We devised a method for the substantiation of parameters of solar dryer that allows us to calculate its design parameters, to substantiate optimal technological regimes and parameters of heat carrier in the drying chamber, to describe the heat and mass transfer characteristics of the process of drying fruits, to take into account the impact of physical parameters of the environment on the technological indicators of the process.A parametric series of five mini-solar dryers is proposed for the conditions of private farming and peasant farms and their structural parameters are substantiated, in particular, area of air collector and mirror concentrator; mass of thermal battery; inside volume of drying chamber.The results obtained might be used when developing and improving technical means for the drying of fruits to enhance technological and energy efficiency of the process.
  • 关键词:solar energy;solar fruit dryer;mirror concentrator;thermal battery;drying chamber
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