Nature and characteristics of temperature background effect for interactive respiration process
Abstract Indoor air quality (IAQ) is much more crucial to human health than its atmospheric air quality counterpart. Improving indoor air environment requires investigating how different indoor air stability affects airflow trajectory. By presenting both manikin experiment and Computational Fluid Dy...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2017
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/10fe460a65d04b49bb5cf730484b7c0a |
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| Sumario: | Abstract Indoor air quality (IAQ) is much more crucial to human health than its atmospheric air quality counterpart. Improving indoor air environment requires investigating how different indoor air stability affects airflow trajectory. By presenting both manikin experiment and Computational Fluid Dynamics (CFD) simulation, we find that temperature background effect, i.e., indoor air stability, which is a measure of the nature or attribute of the capacity to keep the original or initial inertia force or inertia transmission state instead of turbulence diffusion or transmission restraining state, i.e., a kind of inertia stability, rather than a turbulence diffusion characteristic stability, is markedly affecting the interactive respiration process. So we define and derive a new parameter called G c number as a criterion to judge air stability. Furthermore, we find the phenomenon of inertia conjugation. Air stability and inertia conjugation, which named together as temperature background effect, work together on interactive respiration process. This work gives us a re-orientation of temperature difference agents and thus improves human being’s living environment. |
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