Human exhalation characterization with the aid of schlieren imaging technique

Chunwen Xu, Peter Vilhelm Nielsen, Li Liu, Rasmus Lund Jensen, Guangcai Gong

Research output: Contribution to journalJournal articleResearchpeer-review

31 Citations (Scopus)

Abstract

Highlights
•Noninvasive schlieren technique was applied to characterize human exhalation.
•New methods were proposed to predict exhaled velocity um and up, respectively.
•Potential infection risk depended on breathing patterns and spatial distribution of exhaled air.
•New data was added to airflow dynamics of human breathing and CFD boundary settings.
Original languageEnglish
JournalBuilding and Environment
Volume112
Pages (from-to)190-199
Number of pages10
ISSN0360-1323
DOIs
Publication statusPublished - 2017

Keywords

  • Disease transmission
  • Schlieren photography
  • Exhaled airflow
  • Propagation velocity
  • Airflow interaction

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