CFD Modeling And Analysis Of Modified Cold Storage For Precooling Conditions For Tomato

Abstract

The primary goal of the investigation is to modify the interior volume of cold storage for effective air circulation and temperature. The cold storage under consideration has a volume of 15 m³ and is equipped with an evaporator that provides the necessary refrigeration power. Two 3D models of cold storage are created using CAD software. Computational fluid dynamics (CFD) simulation is used to investigation models with consideration of the local environmental features. Air turbulence was assessed using the SST k–ω model. To cool 2.5 tons of tomatoes from ambient conditions to 12⁰C, a thermal and airflow study is conducted on both cold storages.  For regular cold storage, the uniform precooling time achieved by simulation was 3hours. A modified design for a cold storage room is suggested, utilizing aerodynamic air profiles, which enabled transfer heat more effectively. The average product temperature was 12°C, and the precooling period was shortened by approximately 40 min.In modified cold storage better air flow and heat elimination is attained.  The result highlights the importance of maximizing airflow and storage arrangements to prolong the lifespan of perishable agricultural goods, which will eventually improve food preservation and reduce waste.