Distributions of respiratory contaminants from a patient with different postures and exhaling modes in a single-bed inpatient room

Building and Environment

Volumn 46, Issue 1, 2011, Pages 75-81

  Yin, Yonggao ^a   Gupta, Jitendra K ^c   Zhang, Xiaosong ^a   Liu, Junjie ^b   Chen, Qingyan ^b,c  

^a SOUTHEAST UNIVERSITY   (China)

^b TIANJIN UNIVERSITY   (China)

^c PURDUE UNIVERSITY   (United States)

Author keywords

Breath; Cough; Displacement ventilation; Inpatient room; Mixing ventilation; Posture

Indexed keywords

BREATH; COUGH; DISPLACEMENT VENTILATION; INPATIENT ROOM; MIXING VENTILATION; POSTURE;

BUOYANCY; CONTAMINATION; IMPURITIES;

VENTILATION;

AIR QUALITY; AIRFLOW; COMPARATIVE STUDY; COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; EXPERIMENTAL STUDY; FLOW MODELING; INDOOR AIR; MODEL VALIDATION; SPATIAL DISTRIBUTION; STEADY-STATE EQUILIBRIUM; TRACER; TRANSPORT PROCESS; VENTILATION;

EID: 77956225029     PISSN: 03601323     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.buildenv.2010.07.003     Document Type: Article

References (16)

1. Yu I.T.S., Li Y., Wong T.W., Tam W., Chan A.T., Lee J.W., et al. Evidence of airborne transmission of the severe acute respiratory syndrome virus. New England Journal of Medicine 2004, 350(17):1731-1739.
2. Richmond-Bryant J. Transport of exhaled particulate matter in airborne infection isolation rooms. Building and Environment 2009, 44(1):44-55.
3. Li Y., Leung G.M., Tang J.W., Yang X., Chao C.Y.H., Lin J.Z., et al. Role of ventilation in airborne transmission of infectious agents in the built environment - a multidisciplinary systematic review. Indoor Air 2007, 17(2):2-18.
4. Tang J.W., Li Y., Eames I., Chan P.K.S., Ridgway G.L. Factors involved in the aerosol transmission of infection and control of ventilation in healthcare premises. Journal of Hospital Infection 2006, 64(2):100-114.
5. Yin Y., Xu W., Gupta J.K., Guity A., Marmion P., Manning A., et al. Experimental study on displacement and mixing ventilation systems for a patient ward. International Journal of HVAC&R Research 2009, 15(6):1175-1191.
6. Qian H., Li Y., Nielsen P.V., Hylgaard C.E. Dispersion of exhalation pollutants in a two-bed hospital ward with a downward ventilation system. Building and Environment 2008, 43(3):344-354.
7. Morawska L. Droplet fate in indoor environment, or can we prevent the spread of infection?. Indoor Air 2006, 16(5):335-347.
8. Gupta J.K., Lin C.H., Chen Q. Flow dynamics and characterization of a cough. Indoor Air 2009, 19(6):517-525.
9. Zhu S., Kato S., Yang J.H. Investigation into airborne characteristics of airflow due to coughing in a stagnant indoor environment. ASHRAE Transactions 2006, 112(1):123-133.
10. Melikov A., Kaczmarczyk J. Measurement and prediction of indoor air quality using a breathing thermal manikin. Indoor Air 2007, 17(1):50-59.
11. Sun W., Ji J. Transport of droplets expelled by coughing in ventilated rooms. Indoor and Built Environment 2007, 16(6):493-504.
12. Bjørn E., Nielsen P.V. Dispersal of exhaled air and personal exposure in displacement ventilation rooms. Indoor Air 2002, 12(3):147-164.
13. Qian H., Li Y., Nielsen P.V., Hyldgaard C.E., Wong T.W., Chwang A.T.Y. Dispersion of exhaled droplet nuclei in a two-bed ward with three different ventilation systems. Indoor Air 2006, 16(2):111-128.
14. Chao C.Y.H., Wan M.P., Morawska L., Johnson G.R., Ristovski Z.D., Hargreaves M., et al. Characterization of expiration air jets and droplet size distributions immediately at the mouth opening. Journal of Aerosol Science 2009, 40(2):122-133.
15. Morawska L., Johnson G.R., Ristovski Z.D., Hargreaves M., Mengersen K., Corbett S., et al. Size distribution and sites of origin of droplets expelled from the human respiratory tract during expiratory activities. Journal of Aerosol Science 2009, 40(3):256-269.
16. Chao C.Y.H., Wan M.P., Sze To G.N. Transport and removal of expiratory droplets in hospital ward environment. Aerosol Science and Technology 2008, 42(5):377-394.