CFD simulation of a solar dryer used for agrifood applications
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Date
2025
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Abstract
In this study, a numerical model of an indirect solar dryer was developed to
analyze its performance in terms of pressure, temperature, and velocity
distribution within the system. The simulation was conducted using NavierStokes
and energy equations coupled with the turbulence model to simulate
natural convection phenomena. The focus was placed on the impact of key design
variables, including the chimney position (center, far left, far right), the absorber
plate angle ( 0
°
, 30
°
, 45
°
), and the heat flux values (100, 150, 200, 250, 300
[W/m²]) Results were extracted from three key locations (at the absorber surface,
in the plenum chamber, and at the outlet). The findings revealed variations in
pressure, temperature, and velocity distributions, highlighting the importance of
optimized design in enhancing natural ventilation, achieving balanced heat
distribution, and improving system efficiency.