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.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Gong G,Deng Xdoi
10.1038/s41598-017-08871-5subject
Has Abstractpub_date
2017-08-17 00:00:00pages
8549issue
1issn
2045-2322pii
10.1038/s41598-017-08871-5journal_volume
7pub_type
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