An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room

Li Liu, Yuguo Lia, Peter V. Nielsen, Rasmus Lund Jensen, Michal Litewnicki, Jan Jakub Zajas

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

2 Citations (Scopus)
718 Downloads (Pure)

Abstract

This study investigates the characteristics of human exhalation during breathing and coughing. Experiments employing one breathing thermal manikin are conducted in a full-scale test room with a mixing ventilation system. Two artificial lungs are used to generate discontinuous airflows with specific flow rates and temperatures for breathing and coughing, respectively. Smoke visualizations are conducted to show the formation, movement and vanishing of the exhalation jets from nose and mouth separately. The transient velocity distribution generated by breathing and coughing in different places are analyzed.
Original languageEnglish
Title of host publicationHealthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA
Number of pages4
Publication date2009
Publication statusPublished - 2009
EventThe International Conference & Exhibition of Healthy Buildings - Syracuse, NY, United States
Duration: 13 Sep 200917 Sep 2009
Conference number: 9

Conference

ConferenceThe International Conference & Exhibition of Healthy Buildings
Number9
CountryUnited States
CitySyracuse, NY
Period13/09/200917/09/2009

Fingerprint

Velocity distribution
Smoke
Ventilation
Visualization
Flow rate
Experiments
Temperature
Hot Temperature

Bibliographical note

Published on a USB.

Keywords

  • Exhalation
  • Breathing
  • Coughing
  • Microenvironment
  • Mixing Ventilation
  • Thermal Manikin

Cite this

Liu, L., Lia, Y., Nielsen, P. V., Jensen, R. L., Litewnicki, M., & Zajas, J. J. (2009). An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room. In Healthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA
Liu, Li ; Lia, Yuguo ; Nielsen, Peter V. ; Jensen, Rasmus Lund ; Litewnicki, Michal ; Zajas, Jan Jakub. / An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room. Healthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA. 2009.
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abstract = "This study investigates the characteristics of human exhalation during breathing and coughing. Experiments employing one breathing thermal manikin are conducted in a full-scale test room with a mixing ventilation system. Two artificial lungs are used to generate discontinuous airflows with specific flow rates and temperatures for breathing and coughing, respectively. Smoke visualizations are conducted to show the formation, movement and vanishing of the exhalation jets from nose and mouth separately. The transient velocity distribution generated by breathing and coughing in different places are analyzed.",
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Liu, L, Lia, Y, Nielsen, PV, Jensen, RL, Litewnicki, M & Zajas, JJ 2009, An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room. in Healthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA., Syracuse, NY, United States, 13/09/2009.

An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room. / Liu, Li; Lia, Yuguo; Nielsen, Peter V.; Jensen, Rasmus Lund; Litewnicki, Michal; Zajas, Jan Jakub.

Healthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA. 2009.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

TY - GEN

T1 - An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room

AU - Liu, Li

AU - Lia, Yuguo

AU - Nielsen, Peter V.

AU - Jensen, Rasmus Lund

AU - Litewnicki, Michal

AU - Zajas, Jan Jakub

N1 - Published on a USB.

PY - 2009

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N2 - This study investigates the characteristics of human exhalation during breathing and coughing. Experiments employing one breathing thermal manikin are conducted in a full-scale test room with a mixing ventilation system. Two artificial lungs are used to generate discontinuous airflows with specific flow rates and temperatures for breathing and coughing, respectively. Smoke visualizations are conducted to show the formation, movement and vanishing of the exhalation jets from nose and mouth separately. The transient velocity distribution generated by breathing and coughing in different places are analyzed.

AB - This study investigates the characteristics of human exhalation during breathing and coughing. Experiments employing one breathing thermal manikin are conducted in a full-scale test room with a mixing ventilation system. Two artificial lungs are used to generate discontinuous airflows with specific flow rates and temperatures for breathing and coughing, respectively. Smoke visualizations are conducted to show the formation, movement and vanishing of the exhalation jets from nose and mouth separately. The transient velocity distribution generated by breathing and coughing in different places are analyzed.

KW - Exhalation

KW - Breathing

KW - Coughing

KW - Microenvironment

KW - Mixing Ventilation

KW - Thermal Manikin

KW - Exhalation

KW - Breathing

KW - Coughing

KW - Microenvironment

KW - Mixing Ventilation

KW - Thermal Manikin

M3 - Article in proceeding

BT - Healthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA

ER -

Liu L, Lia Y, Nielsen PV, Jensen RL, Litewnicki M, Zajas JJ. An Experimental Study of Human Exhalation during Breathing and Coughing in a Mixing Ventilated Room. In Healthy Buildings 2009 : 9th International Conference & Exhibition, September 13-17, 2009, Syracuse, NY USA. 2009