Net scape probability of contaminant from a local domain to exhaust outlet

Eunsu Lim, Kazuhide Ito

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Ventilation is essential to control contaminant concentration in a room and hence the evaluation of ventilation effectiveness is crucial to achieve the clean, healthy and energy saving indoor environment. In general, contaminant transport efficiency is defined by total flux, i.e. convective and diffusive fluxes of contaminant in a local domain, and the fluxes are divided into two components; (i) contaminant directly exhausted through exhaust outlet in the room (and no-return to target local domain), and (ii) contaminant returned to the target local domain by recirculating flow in the room. In this study, we propose the calculation procedure of net escape probability (hereafter NEP) of contaminant in which the contaminant constantly generates in the target local domain.

Original languageEnglish
Pages (from-to)249-256
Number of pages8
JournalJournal of Environmental Engineering (Japan)
Issue number733
Publication statusPublished - Mar 2017

All Science Journal Classification (ASJC) codes

  • Environmental Engineering


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