Performance of constant exhaust ventilation for removal of transient high-temperature contaminated airflows and ventilation-performance comparison between two local exhausthoods

Yanqiu Huang, Yi Wanga, Li Liu, Peter Vilhelm Nielsen, Rasmus Lund Jensen, Xiaoni Yang

Research output: Contribution to journalJournal articleResearchpeer-review

15 Citations (Scopus)

Abstract

Highlights
•Cumulative contaminant concentration can be divided into four time slots.
•Fitting formulas of time-varying concentration decay were established for two hoods.
•A dynamic evaluation index for hood removing transient contaminants is proposed.
•Increasing hood's containment volume can help to remove transient contaminants.
Original languageEnglish
JournalEnergy and Buildings
Volume154
Pages (from-to)207-216
Number of pages10
ISSN0378-7788
DOIs
Publication statusPublished - 2017

Keywords

  • Reduced-scale experiments
  • Constant exhaust ventilation
  • Transient high-temperature contaminated airflows
  • Local exhaust hood
  • Cumulative contaminant concentration
  • Proposed dynamic evaluation indexa

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