期刊
ADVANCED POWDER TECHNOLOGY
卷 25, 期 1, 页码 389-397出版社
ELSEVIER
DOI: 10.1016/j.apt.2013.06.008
关键词
Floor heating; Radiator heating; Indoor air quality; Particle deposition; Particle dispersion
Many studies have been shown the advantage of low-energy heating systems, such as floor heating system in comparison with high-energy consuming systems, such as radiator heating system. The adoption of these energy-efficient heating systems still requires the provision of acceptable indoor air quality. In this research, three-dimensional comparison of deposition and dispersion of airborne particles in two radiator and floor heating systems is investigated numerically by an Eulerian-Lagrangian method. In an attempt to provide such data, the deposition of solid particles ranging from 0.3 to 10 mu m is calculated and the main goal is to survey the removal efficiency of these two heating systems. The model validation is performed through result comparisons with published data from literatures. The results indicate that deposition ratio of particles is higher in radiator heating system. Furthermore, the numerical results show that the floor and radiator heating systems trend to deposit the suspended particles on the ceiling and on the floor, respectively. (C) 2013 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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