Although in India drying the crop in bare sunlight is very popular, many locations also use solar air dryers. With a restricted range of applications, solar air dryers are made specifically for a single crop. Different sizes and combinations of dryers depend upon many input factors, compromising the air’s temperature at the intake, the kind of material used for the absorber, the solar air dryer’s configuration, the air volume of flow, the thermal distribution coefficient, and the quantity of sun irradiation. This study focuses on analysing the indirectly functioned solar-assisted dryer system using CFD simulation. The Ansys software of Fluent domain (CFD simulation) is utilized to model the flow of fluid and heat transfer of the dryer under the fluctuating conditions of the corresponding variable parameters along with the mass mobility rates. Upon evaluating the thermal contour of trays, it was determined that the tray in the closest proximity to the collector exhibited the highest average temperature. The thermal contour of the trays for the recommended flow rates for each tray condition was found that the tray near to collector had the highest average temperature (322 K) for the lowest air stream mass flow rate (0.0447 kg/s).

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CFD Analysis of Indirect Forced Convection Solar Drying System

  • Harsh Kashyap,
  • Mayank Gangwar,
  • Prabhat Kr Singh,
  • Priyanshu,
  • Pawan Kumar Kashyap,
  • Ashok Kumar Singh

摘要

Although in India drying the crop in bare sunlight is very popular, many locations also use solar air dryers. With a restricted range of applications, solar air dryers are made specifically for a single crop. Different sizes and combinations of dryers depend upon many input factors, compromising the air’s temperature at the intake, the kind of material used for the absorber, the solar air dryer’s configuration, the air volume of flow, the thermal distribution coefficient, and the quantity of sun irradiation. This study focuses on analysing the indirectly functioned solar-assisted dryer system using CFD simulation. The Ansys software of Fluent domain (CFD simulation) is utilized to model the flow of fluid and heat transfer of the dryer under the fluctuating conditions of the corresponding variable parameters along with the mass mobility rates. Upon evaluating the thermal contour of trays, it was determined that the tray in the closest proximity to the collector exhibited the highest average temperature. The thermal contour of the trays for the recommended flow rates for each tray condition was found that the tray near to collector had the highest average temperature (322 K) for the lowest air stream mass flow rate (0.0447 kg/s).