SUSTAINABLE MANAGEMENT OF INDOOR AIR QUALITY: A NUMERICAL STUDY OF HEAT AND MASS TRANSFER IN VENTILATED CAVITIES USING THE LB-MRT METHOD

Ahmed ADJAL, Venera Stanca NICOLICI, Ioana IONEL, Daniel BISORCA

Abstract


This research explores the transport of heat and chemical species within a ventilated rectangular enclosure using numerical modeling. The analysis is performed by applying the Lattice Boltzmann Method with Multiple Relaxation Time (LBM-MRT) approach. The primary objective is to optimize indoor air conditions and the effectiveness of contaminant extraction. A distinctive aspect of this study is incorporating sustainability management frameworks into the numerical evaluation. The physical model includes a central reactive porous barrier with adjustable permeability to simulate filtration processes. By investigating various ventilation approaches for residential settings, the study evaluates thermal comfort and air purification. The analysis utilizes flow patterns, thermal distributions, and concentration gradients, alongside performance metrics such as depollution rate and air quality indicators.

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