메뉴 건너뛰기




Volumn 116, Issue , 2017, Pages 246-256

The lock-up phenomenon of exhaled flow in a stable thermally-stratified indoor environment

Author keywords

Buoyant jet; Dispersion; Exhaled flow; Jet mechanics; Temperature gradient

Indexed keywords

BUOYANCY; DISPERSION (WAVES); DISPERSIONS; THERMAL GRADIENTS; VENTILATION;

EID: 85014448698     PISSN: 03601323     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.buildenv.2017.02.010     Document Type: Article
Times cited : (66)

References (49)
  • 1
    • 33748325891 scopus 로고    scopus 로고
    • Droplet fate in indoor environments, or can we prevent the spread of infection?
    • [1] Morawska, L., Droplet fate in indoor environments, or can we prevent the spread of infection?. Indoor Air 16 (2006), 335–347.
    • (2006) Indoor Air , vol.16 , pp. 335-347
    • Morawska, L.1
  • 2
    • 77956601033 scopus 로고    scopus 로고
    • Natural Ventilation for Infection Control in Health-care Settings
    • World Health Organization Geneva (Switzerland)
    • [2] WHO, Natural Ventilation for Infection Control in Health-care Settings. 2009, World Health Organization, Geneva (Switzerland).
    • (2009)
    • WHO1
  • 3
    • 15744393009 scopus 로고    scopus 로고
    • Role of air distribution in SARS transmission during the largest nosocomial outbreak in Hong Kong
    • [3] Li, Y., Huang, X., Yu, I.T.S., Wong, T.W., Qian, H., Role of air distribution in SARS transmission during the largest nosocomial outbreak in Hong Kong. Indoor Air 15 (2005), 83–95.
    • (2005) Indoor Air , vol.15 , pp. 83-95
    • Li, Y.1    Huang, X.2    Yu, I.T.S.3    Wong, T.W.4    Qian, H.5
  • 6
    • 35448960371 scopus 로고    scopus 로고
    • Dispersion of exhalation pollutants in a two-bed hospital ward with a downward ventilation system
    • [6] Qian, H., Li, Y., Nielsen, P.V., Hyldgaard, C.E., Dispersion of exhalation pollutants in a two-bed hospital ward with a downward ventilation system. Build. Environ. 43 (2008), 344–354.
    • (2008) Build. Environ. , vol.43 , pp. 344-354
    • Qian, H.1    Li, Y.2    Nielsen, P.V.3    Hyldgaard, C.E.4
  • 7
    • 61749095805 scopus 로고    scopus 로고
    • Spatial distribution of infection risk of SARS transmission in a hospital ward
    • [7] Qian, H., Li, Y., Nielsen, P.V., Huang, X., Spatial distribution of infection risk of SARS transmission in a hospital ward. Build. Environ. 44 (2009), 1651–1658.
    • (2009) Build. Environ. , vol.44 , pp. 1651-1658
    • Qian, H.1    Li, Y.2    Nielsen, P.V.3    Huang, X.4
  • 8
    • 46049099208 scopus 로고    scopus 로고
    • The airborne transmission of infection between flats in high-rise residential buildings: tracer gas simulation
    • [8] Gao, N., Niu, J., Perino, M., Heiselberg, P., The airborne transmission of infection between flats in high-rise residential buildings: tracer gas simulation. Build. Environ. 43 (2008), 1805–1817.
    • (2008) Build. Environ. , vol.43 , pp. 1805-1817
    • Gao, N.1    Niu, J.2    Perino, M.3    Heiselberg, P.4
  • 9
    • 84978998454 scopus 로고    scopus 로고
    • Short-range airborne transmission of expiratory droplets between two people
    • [9] Liu, L., Li, Y., Nielsen, P.V., Wei, J., Jensen, R.L., Short-range airborne transmission of expiratory droplets between two people. Indoor Air 27 (2017), 452–462.
    • (2017) Indoor Air , vol.27 , pp. 452-462
    • Liu, L.1    Li, Y.2    Nielsen, P.V.3    Wei, J.4    Jensen, R.L.5
  • 10
    • 77952568073 scopus 로고    scopus 로고
    • Some questions on dispersion of human exhaled droplets in ventilation room: answers from numerical investigation
    • [10] Chen, C., Zhao, B., Some questions on dispersion of human exhaled droplets in ventilation room: answers from numerical investigation. Indoor Air 20 (2010), 95–111.
    • (2010) Indoor Air , vol.20 , pp. 95-111
    • Chen, C.1    Zhao, B.2
  • 11
    • 78650882600 scopus 로고    scopus 로고
    • Transport of expiratory droplets in an aircraft cabin
    • [11] Gupta, J.K., Lin, C.H., Chen, Q., Transport of expiratory droplets in an aircraft cabin. Indoor Air 21 (2011), 3–11.
    • (2011) Indoor Air , vol.21 , pp. 3-11
    • Gupta, J.K.1    Lin, C.H.2    Chen, Q.3
  • 12
    • 77957777226 scopus 로고    scopus 로고
    • CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room
    • [12] He, Q., Niu, J., Gao, N., Zhu, T., Wu, J., CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room. Build. Environ. 46 (2011), 397–408.
    • (2011) Build. Environ. , vol.46 , pp. 397-408
    • He, Q.1    Niu, J.2    Gao, N.3    Zhu, T.4    Wu, J.5
  • 13
    • 34447537733 scopus 로고    scopus 로고
    • Transport characteristics of expiratory droplets and droplet nuclei in indoor environments with different ventilation airflow patterns
    • [13] Wan, M.P., Chao, C.Y., Transport characteristics of expiratory droplets and droplet nuclei in indoor environments with different ventilation airflow patterns. J. Biomech. Eng. 129 (2006), 341–353.
    • (2006) J. Biomech. Eng. , vol.129 , pp. 341-353
    • Wan, M.P.1    Chao, C.Y.2
  • 14
    • 16844383953 scopus 로고    scopus 로고
    • Numerical study of the transport of droplets or particles generated by respiratory system indoors
    • [14] Zhao, B., Zhang, Z., Li, X., Numerical study of the transport of droplets or particles generated by respiratory system indoors. Build. Environ. 40 (2005), 1032–1039.
    • (2005) Build. Environ. , vol.40 , pp. 1032-1039
    • Zhao, B.1    Zhang, Z.2    Li, X.3
  • 16
    • 84855689846 scopus 로고    scopus 로고
    • Airborne cross-infection risk between two people standing in surroundings with a vertical temperature gradient
    • [16] Nielsen, P.V., Olmedo, I., De Adana, M.R., Grzelecki, P., Jensen, R.L., Airborne cross-infection risk between two people standing in surroundings with a vertical temperature gradient. HVAC&R Res. 18 (2012), 552–561.
    • (2012) HVAC&R Res. , vol.18 , pp. 552-561
    • Nielsen, P.V.1    Olmedo, I.2    De Adana, M.R.3    Grzelecki, P.4    Jensen, R.L.5
  • 17
    • 84872404108 scopus 로고    scopus 로고
    • The risk of airborne cross-infection in a room with vertical low-velocity ventilation
    • [17] Olmedo, I., Nielsen, P.V., Ruiz De Adana, M., Jensen, R.L., The risk of airborne cross-infection in a room with vertical low-velocity ventilation. Indoor Air 23 (2013), 62–73.
    • (2013) Indoor Air , vol.23 , pp. 62-73
    • Olmedo, I.1    Nielsen, P.V.2    Ruiz De Adana, M.3    Jensen, R.L.4
  • 18
    • 84855711707 scopus 로고    scopus 로고
    • Distribution of exhaled contaminants and personal exposure in a room using three different air distribution strategies
    • [18] Olmedo, I., Nielsen, P.V., Ruiz De Adana, M., Jensen, R.L., Grzelecki, P., Distribution of exhaled contaminants and personal exposure in a room using three different air distribution strategies. Indoor Air 22 (2012), 64–76.
    • (2012) Indoor Air , vol.22 , pp. 64-76
    • Olmedo, I.1    Nielsen, P.V.2    Ruiz De Adana, M.3    Jensen, R.L.4    Grzelecki, P.5
  • 19
    • 79956370270 scopus 로고    scopus 로고
    • Modeling the evaporation and dispersion of airborne sputum droplets expelled from a human cough
    • [19] Redrow, J., Mao, S., Celik, I., Posada, J.A., Feng, Z.-G., Modeling the evaporation and dispersion of airborne sputum droplets expelled from a human cough. Build. Environ. 46 (2011), 2042–2051.
    • (2011) Build. Environ. , vol.46 , pp. 2042-2051
    • Redrow, J.1    Mao, S.2    Celik, I.3    Posada, J.A.4    Feng, Z.-G.5
  • 20
    • 84938091648 scopus 로고    scopus 로고
    • Enhanced spread of expiratory droplets by turbulence in a cough jet
    • [20] Wei, J., Li, Y., Enhanced spread of expiratory droplets by turbulence in a cough jet. Build. Environ. 93 (2015), 86–96.
    • (2015) Build. Environ. , vol.93 , pp. 86-96
    • Wei, J.1    Li, Y.2
  • 21
    • 34249703515 scopus 로고    scopus 로고
    • How far droplets can move in indoor environments – revisiting the Wells evaporation–falling curve
    • [21] Xie, X., Li, Y., Chwang, A.T.Y., Ho, P.L., Seto, W.H., How far droplets can move in indoor environments – revisiting the Wells evaporation–falling curve. Indoor Air 17 (2007), 211–225.
    • (2007) Indoor Air , vol.17 , pp. 211-225
    • Xie, X.1    Li, Y.2    Chwang, A.T.Y.3    Ho, P.L.4    Seto, W.H.5
  • 22
    • 0034943676 scopus 로고    scopus 로고
    • Spread and prevention of some common viral infections in community facilities and domestic homes
    • [22] Barker, J., Stevens, D., Bloomfield, S.F., Spread and prevention of some common viral infections in community facilities and domestic homes. J. Appl. Microbiol. 91 (2001), 7–21.
    • (2001) J. Appl. Microbiol. , vol.91 , pp. 7-21
    • Barker, J.1    Stevens, D.2    Bloomfield, S.F.3
  • 24
    • 85014433202 scopus 로고    scopus 로고
    • Experimental study of the cross-infection risk due to the cross-flow of exhaled airflows and a plane jet with the protected occupied zone ventilation
    • 8–1J,2J,3J,4J,5J,6J,7J,8J
    • [24] Cao, G., Nielsen, P.V., Xu, C., Jensen, R.L., Experimental study of the cross-infection risk due to the cross-flow of exhaled airflows and a plane jet with the protected occupied zone ventilation. ASHRAE Trans., 120, 2014 8–1J,2J,3J,4J,5J,6J,7J,8J.
    • (2014) ASHRAE Trans. , vol.120
    • Cao, G.1    Nielsen, P.V.2    Xu, C.3    Jensen, R.L.4
  • 25
    • 85014430620 scopus 로고    scopus 로고
    • Breathing and cross-infection risk in the microenvironment around people
    • [25] Nielsen, P.V., Zajas, J., Litewnicki, M., Jensen, R.L., Breathing and cross-infection risk in the microenvironment around people. ASHRAE Trans. 120 (2014), 1–8.
    • (2014) ASHRAE Trans. , vol.120 , pp. 1-8
    • Nielsen, P.V.1    Zajas, J.2    Litewnicki, M.3    Jensen, R.L.4
  • 27
    • 67349250601 scopus 로고    scopus 로고
    • Distribution of respiratory droplets in enclosed environments under different air distribution methods
    • [27] Gao, N., Niu, J., Morawska, L., Distribution of respiratory droplets in enclosed environments under different air distribution methods. Build. Simul. 1 (2008), 326–335.
    • (2008) Build. Simul. , vol.1 , pp. 326-335
    • Gao, N.1    Niu, J.2    Morawska, L.3
  • 28
    • 73449123605 scopus 로고    scopus 로고
    • Contaminant flow in the microenvironment between people under different ventilation conditions
    • [28] Nielsen, P.V., Buus, M., Winther, F.V., Thilageswaran, M., Contaminant flow in the microenvironment between people under different ventilation conditions. ASHRAE Trans. 114 (2008), 632–638.
    • (2008) ASHRAE Trans. , vol.114 , pp. 632-638
    • Nielsen, P.V.1    Buus, M.2    Winther, F.V.3    Thilageswaran, M.4
  • 29
    • 36248936692 scopus 로고    scopus 로고
    • Transport of droplets expelled by coughing in ventilated rooms
    • [29] Sun, W., Ji, J., Transport of droplets expelled by coughing in ventilated rooms. Indoor Built Environ. 16 (2007), 493–504.
    • (2007) Indoor Built Environ. , vol.16 , pp. 493-504
    • Sun, W.1    Ji, J.2
  • 30
    • 84925053648 scopus 로고    scopus 로고
    • Influence of air stability and metabolic rate on exhaled flow
    • [30] Xu, C., Nielsen, P.V., Gong, G., Jensen, R.L., Liu, L., Influence of air stability and metabolic rate on exhaled flow. Indoor Air 25 (2015), 198–209.
    • (2015) Indoor Air , vol.25 , pp. 198-209
    • Xu, C.1    Nielsen, P.V.2    Gong, G.3    Jensen, R.L.4    Liu, L.5
  • 31
    • 77956225029 scopus 로고    scopus 로고
    • Distributions of respiratory contaminants from a patient with different postures and exhaling modes in a single-bed inpatient room
    • [31] Yin, Y., Gupta, J.K., Zhang, X., Liu, J., Chen, Q., Distributions of respiratory contaminants from a patient with different postures and exhaling modes in a single-bed inpatient room. Build. Environ. 46 (2011), 75–81.
    • (2011) Build. Environ. , vol.46 , pp. 75-81
    • Yin, Y.1    Gupta, J.K.2    Zhang, X.3    Liu, J.4    Chen, Q.5
  • 32
    • 0010213876 scopus 로고    scopus 로고
    • Dispersal of exhaled air and personal exposure in displacement ventilated rooms
    • [32] Bjørn, E., Nielsen, P.V., Dispersal of exhaled air and personal exposure in displacement ventilated rooms. Indoor Air 12 (2002), 147–164.
    • (2002) Indoor Air , vol.12 , pp. 147-164
    • Bjørn, E.1    Nielsen, P.V.2
  • 33
    • 84864750093 scopus 로고    scopus 로고
    • Numerical study of the lock-up phenomenon of human exhaled droplets under a displacement ventilated room
    • [33] Gao, N., He, Q., Niu, J., Numerical study of the lock-up phenomenon of human exhaled droplets under a displacement ventilated room. Build. Simul. 5 (2012), 51–60.
    • (2012) Build. Simul. , vol.5 , pp. 51-60
    • Gao, N.1    He, Q.2    Niu, J.3
  • 34
    • 33644697163 scopus 로고    scopus 로고
    • Dispersion of exhaled droplet nuclei in a two-bed hospital ward with three different ventilation systems
    • [34] 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 hospital ward with three different ventilation systems. Indoor Air 16 (2006), 111–128.
    • (2006) Indoor Air , vol.16 , pp. 111-128
    • Qian, H.1    Li, Y.2    Nielsen, P.V.3    Hyldgaard, C.E.4    Wong, T.W.5    Chwang, A.T.Y.6
  • 35
    • 83455181957 scopus 로고    scopus 로고
    • Displacement ventilation in hospital environments
    • [35] Li, Y., Nielsen, P.V., Sandberg, M., Displacement ventilation in hospital environments. ASHRAE J. 53 (2011), 86–88.
    • (2011) ASHRAE J. , vol.53 , pp. 86-88
    • Li, Y.1    Nielsen, P.V.2    Sandberg, M.3
  • 36
    • 0036777642 scopus 로고    scopus 로고
    • Measurement and calculation of the neutral height in a room with displacement ventilation
    • [36] Xing, H., Awbi, H.B., Measurement and calculation of the neutral height in a room with displacement ventilation. Build. Environ. 37 (2002), 961–967.
    • (2002) Build. Environ. , vol.37 , pp. 961-967
    • Xing, H.1    Awbi, H.B.2
  • 37
    • 0019939761 scopus 로고
    • Mechanics of Turbulent Buoyant Jets and Plumes A2
    • R. Wolfgang Pergamon
    • [37] List, E.J., Mechanics of Turbulent Buoyant Jets and Plumes A2. Wolfgang, R., (eds.) Turbulent Buoyant Jets and Plumes, 1982, Pergamon, 1–68.
    • (1982) Turbulent Buoyant Jets and Plumes , pp. 1-68
    • List, E.J.1
  • 38
    • 70450163033 scopus 로고    scopus 로고
    • Flow dynamics and characterization of a cough
    • [38] Gupta, J.K., Lin, C.H., Chen, Q., Flow dynamics and characterization of a cough. Indoor Air 19 (2009), 517–525.
    • (2009) Indoor Air , vol.19 , pp. 517-525
    • Gupta, J.K.1    Lin, C.H.2    Chen, Q.3
  • 39
    • 74049110127 scopus 로고    scopus 로고
    • Characterizing exhaled airflow from breathing and talking
    • [39] Gupta, J.K., Lin, C.H., Chen, Q., Characterizing exhaled airflow from breathing and talking. Indoor Air 20 (2010), 31–39.
    • (2010) Indoor Air , vol.20 , pp. 31-39
    • Gupta, J.K.1    Lin, C.H.2    Chen, Q.3
  • 40
    • 0003784565 scopus 로고    scopus 로고
    • Building Ventilation: Theory and Measurement
    • Wiley Chichester, UK
    • [40] Etheridge, D., Sandberg, M., Building Ventilation: Theory and Measurement. 1996, Wiley, Chichester, UK.
    • (1996)
    • Etheridge, D.1    Sandberg, M.2
  • 41
    • 73449145271 scopus 로고    scopus 로고
    • Control of airborne infectious diseases in ventilated spaces
    • [41] Nielsen, P.V., Control of airborne infectious diseases in ventilated spaces. J. R. Soc. Interface 6 (2009), S747–S755.
    • (2009) J. R. Soc. Interface , vol.6 , pp. S747-S755
    • Nielsen, P.V.1
  • 42
    • 0015285274 scopus 로고
    • Fundamentals of Industrial Ventilation
    • Pergamon Press Oxford, UK
    • [42] Baturin, V.V., Fundamentals of Industrial Ventilation. 1972, Pergamon Press, Oxford, UK, 79–119.
    • (1972) , pp. 79-119
    • Baturin, V.V.1
  • 43
    • 0028428746 scopus 로고
    • Simulation of round buoyant jet in stratified flowing environment
    • [43] Bemporad, G.A., Simulation of round buoyant jet in stratified flowing environment. J. Hydraul. Eng. 120 (1994), 529–543.
    • (1994) J. Hydraul. Eng. , vol.120 , pp. 529-543
    • Bemporad, G.A.1
  • 44
    • 84872659473 scopus 로고    scopus 로고
    • Experiments on the microenvironment and breathing of a person in isothermal and stratified surroundings
    • Syracuse University
    • [44] Nielsen, P.V., Jensen, R.L., Litewnicki, M., Zajas, J., Experiments on the microenvironment and breathing of a person in isothermal and stratified surroundings. Proceedings of Healthy Buildings 2009, Italy, vol. 2, 2009, Syracuse University, 50–58.
    • (2009) Proceedings of Healthy Buildings 2009, Italy , vol.2 , pp. 50-58
    • Nielsen, P.V.1    Jensen, R.L.2    Litewnicki, M.3    Zajas, J.4
  • 46
    • 78149391034 scopus 로고    scopus 로고
    • Ventilation for Controlling Airborne Infection in Hospital Environments
    • PhD thesis The University of Hong Kong, Department of Mechanical Engineering
    • [46] Qian, H., Ventilation for Controlling Airborne Infection in Hospital Environments. PhD thesis, 2007, The University of Hong Kong, Department of Mechanical Engineering.
    • (2007)
    • Qian, H.1
  • 47
    • 33745698432 scopus 로고    scopus 로고
    • A study of the dispersion of expiratory aerosols in unidirectional downward and ceiling-return type airflows using a multiphase approach
    • [47] Chao, C.Y.H., Wan, M.P., A study of the dispersion of expiratory aerosols in unidirectional downward and ceiling-return type airflows using a multiphase approach. Indoor Air 16 (2006), 296–312.
    • (2006) Indoor Air , vol.16 , pp. 296-312
    • Chao, C.Y.H.1    Wan, M.P.2
  • 48
    • 84898961945 scopus 로고    scopus 로고
    • The influence of human walking on the flow and airborne transmission in a six-bed isolation room: tracer gas simulation
    • [48] Hang, J., Li, Y., Jin, R., The influence of human walking on the flow and airborne transmission in a six-bed isolation room: tracer gas simulation. Build. Environ. 77 (2014), 119–134.
    • (2014) Build. Environ. , vol.77 , pp. 119-134
    • Hang, J.1    Li, Y.2    Jin, R.3
  • 49
    • 79951852086 scopus 로고    scopus 로고
    • Airflow and contaminant distribution in hospital wards with a displacement ventilation system
    • [49] Qian, H., Nielsen, P.V., Li, Y.G., Hyldgaard, C.E., Airflow and contaminant distribution in hospital wards with a displacement ventilation system. Built Environ. Public Health, Proc. Beph 2004 (2004), 355–364.
    • (2004) Built Environ. Public Health, Proc. Beph , vol.2004 , pp. 355-364
    • Qian, H.1    Nielsen, P.V.2    Li, Y.G.3    Hyldgaard, C.E.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.