Mathematical Modelling of Evaporation of Water Using Steam–Unitary Model Analysis
Multiple effect evaporators use steam of temperature 120-200°C as a source of heat to evaporate water from solutions. Multiple effect evaporators are widely used by the food, desalination and wastewater treatment industry. In the present study as a proof of concept, multi-physics modeling has been done to demonstrate the phenomenon of evaporation of water with steam. Unit dimensional 2D analysis of phase change was carried out using COMSOL Multiphysics® software. It was observed that in 3 hours and 20 minutes, steam of 150°C enclosed in dimension 0.5 m × 0.1m with insulated walls evaporated water of 25°C in dimension 0.5 m × 0.02 m. The study has been extended to analyze the evaporation phenomenon with varying steam temperature and water properties.
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