Dispersal of exhaled air and personal exposure in displacement ventilated rooms

Indoor Air

Volumn 12, Issue 3, 2002, Pages 147-164

  Bjorn E ^a,b   Nielsen, P V ^a  

^a AALBORG UNIVERSITY   (Denmark)

^b NONE   (Denmark)

Author keywords

CFD; Contaminant distribution; Displacement ventilation; Exhalation flow; Full scale experiments; Personal exposure

Indexed keywords

AIR; BOUNDARY LAYERS; COMPUTATIONAL FLUID DYNAMICS; CONTAMINATION; IMPURITIES; INDOOR AIR POLLUTION; VENTILATION;

AIR-EXPOSURE; BREATHING ZONES; CONTAMINANT DISTRIBUTIONS; DISPLACEMENT VENTILATION; EXHALATION FLOW; EXHALED AIRS; FULL-SCALE EXPERIMENT; PERSONAL EXPOSURES; PHYSICAL MOVEMENTS; VENTILATED ROOM;

BOUNDARY LAYER FLOW;

AIR; AIR CONDITIONING; ARTICLE; BREATHING; CONSTRUCTION WORK AND ARCHITECTURAL PHENOMENA; ENVIRONMENTAL EXPOSURE; HUMAN; INDOOR AIR POLLUTION;

AIR MOVEMENTS; AIR POLLUTION, INDOOR; ENVIRONMENTAL EXPOSURE; FACILITY DESIGN AND CONSTRUCTION; HUMANS; RESPIRATION; VENTILATION;

EID: 0010213876     PISSN: 09056947     EISSN: None     Source Type: Journal    
DOI: 10.1034/j.1600-0668.2002.08126.x     Document Type: Article

References (24)

1. Bjørn, E. (2000) "Interacting Airflows and Contaminant Transport around Persons", Ph.D. Thesis, Aalborg University, Aalborg, Denmark.
2. Bjørn, E. (1999) "Simulation of Human Respiration with Breathing Thermal Manikin". In: Nilsson, H. O. and Holmér, I. (eds) Proc. Third International Meeting on Thermal Manikin Testing. National Institute for Working Life, Stockholm, Sweden, pp. 78-81
3. Bjørn, E. and Nielsen P. V. , (1998) "CFD Simulations of Contaminant Transport between Two Breathing Persons". In: Mundt, E. and Malmstrom, T. -G. (eds) Proc. ROOMVENT '98, 6th Int. Conf. on Air Distribution in Rooms, Vol. 2, Stockholm, Sweden, pp. 133-140.
4. Brohus, H. (1997) "Personal Exposure to Contaminant Sources in Ventilated Rooms", Ph.D. Thesis, Aalborg University, Aalborg Denmark.
5. Brohus, H. Knudsen, H. N. Nielsen, P. V. Clausen, G. and Fanger, P. O. (1996) "Perceived Air Quality in a Displacement Ventilated Room". In: Yoshizawa, S., Kimura, K., Ikeda, K., Tanabe, S. and Iwata, T. (eds) Proc. Indoor Air '96, 7th Int. Conf. on Indoor Air Quality and Climate, Vol. 1, Nagoya, Japan, pp. 811-816.
6. Brohus, H. and Nielsen, P. V. (1996a) "CFD Models of Persons Evaluated by FullScale Wind Channel Experiments" In: Murakami, S. (ed) Proceedings of Roomvent '96, 5th International Conference on Air Distribution in Rooms, Vol. 2, Yokohama, Japan, pp. 137-144.
7. Brohus, H. and Nielsen, P. V. (1996b) "Personal Exposure in Displacement Ventilated Rooms", Indoor Air, 6, 157-167.
8. Clark, R. P. and Edholm, O. G. (1985) "Man and His Thermal Environment", London, Edward Arnold,.
9. Chen, C. J. and Rodi, W. (1980) "Vertical turbulent buoyant jets", London, Pergamon.
10. Etheridge, D. and Sandberg, M. "Building Ventilation: Theory and Measurement", Chichester, Wiley.
11. Grymer, L. F., Helberg, O., Pedersen, O. F. and Rasmussen, T. R. (1991) "Acoustic rhinometry: Values from adults with subjective normal nasal patency" Rhinology, 29, 35-47.
12. Haselton, F. R. and Sperandio, P. G. N. (1988) "Convective Exchange between the Nose and the Atmosphere", Journal of Applied Physiology 64, 2575-2581.
13. Hyldgaard, C. E. (1994) "Humans as a source of heat and air pollution", In: Proc. ROOMVENT '94, 4th Int. Conf. on Air Distribution in Rooms, Krakow, Poland.
14. Höppe, P. (1981) "Temperatures of Expired Air under Varying Climatic Conditions", International Journal of Biometeorology, 25, 127-132.
15. IEA-ECBCS Annex 18 (1992) "Demand Controlled Ventilating Systems - Source Book", Swedish Council for Building Research, Stockholm, Sweden
16. Kroemer, K. H. E. Kroemer, H. J. and Kroemer-Elbert, K. E. (1997) Engineering Physiology - Bases of human factors/ ergonomics, New York, Van Nostrand Reinhold.
17. Mattsson, M. and Sandberg, M. (1994) "Displacement Ventilation - Influence of Physical Activity". In: Proc. ROOMVENT '94, 4th Int. Conf. on Air Distribution in Rooms, Krakow, Poland.
18. Mattsson, M. and Sandberg, M. (1996) "Velocity Field Created by Moving Objects in Rooms". In: Murakami, S. (ed) Proc. ROOMVENT '96, 5th Int. Conf. on Air Distribution in Rooms, Vol. 1, Yokohama, Japan, pp. 547-554.
19. Mattsson, M., Bjørn, E., Sandberg, M. and Nielsen, P. V. (1997) "Simulating people moving indoors - experimental considerations". In: Wood, J. E., Grimsrud, D. T. and Boschi, N. (eds) Proc. Healthy buildings '97, 5th Int. Conf. On Healthy Buildings, Washington, DC, Vol. 1, pp. 495-500.
20. Mattsson, M. (1999) "On the Efficiency of Displacement Ventilation -with Particular Reference to the Influence of Human Activity", Doctoral Thesis, Royal Institute of Technology, Centre for Built Environment, Gävle, Sweden.
21. Mundt, E. (1996) "The Performance of Displacement Ventilated Systems", Doctoral Thesis, Royal Institute of Technology, Building Services Engineering, Stockholm, Sweden.
22. Morton, B. R., Taylor, G., Turner, F. R. S. and Turner, J. S. (1956) "Turbulent gravitational convection from maintained and instantaneous sources", Proceedings of the Royal Society, London, 234A, 1.
23. Patankar, S. V. (1980) "Numerical Heat Transfer and Fluid Flow", London, Taylor and Francis.
24. Stymne, H, Sandberg, M. and Mattsson, M. (1991) "Dispersion of contaminants in a displacement ventilated room - implications for demand control". In: 12th AIVC Conference, Ottawa, Canada.