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Numerical Investigation of the Wall Effect on Airborne Particle Dispersion in a Test Chamber
並列摘要
Numerical investigations of the transport and distribution of airborne particles in a test chamber were carried out with drift-flux model. Although factors such as the configuration of the flow field and gravitational settling can influence the distribution of particle concentration, the results show that the walls can play an important role in particle dispersion when the velocity gradient of air flow at the walls is high. The high gradient of the air flow velocity at the walls can lead to particle accumulation near the walls, which can significantly improve the particle concentration. The walls can also influence the particle distribution in vertical space, along with gravitational settling.
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