A mathematical study of aerosol sampling by an idealised blunt sampler oriented at an angle to the wind: The role of gravity

Journal of Aerosol Science

Volumn 31, Issue 10, 2000, Pages 1187-1203

  Dunnett, Sarah J ^a   Vincent, James H ^b  

^a LOUGHBOROUGH UNIVERSITY   (United Kingdom)

^b UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROSOL; AIRFLOW; FLOW MEASUREMENT; MATHEMATICAL ANALYSIS; WIND DIRECTION;

AEROSOL; AIRFLOW; ARTICLE; GRAVITY; MATHEMATICS; PRIORITY JOURNAL; SAMPLING;

EID: 0343962263     PISSN: 00218502     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0021-8502(00)00024-0     Document Type: Article

References (25)

1. ACGIH (1996) Threshold limit values. Am. Conf. Governmental Industrial Hygienists, Cincinnati, OH, U.S.A.
2. Chung I.P., Dunn-Rankin D. Numerical simulation of two-dimensional blunt body sampling in viscous flow. J. Aerosol Sci. 23:1992;217-232.
3. Chung I.P., Dunn-Rankin D. Experimental investigation of air flow around blunt aerosol samplers. J. Aerosol Sci. 28:1997;289-305.
4. Comité Européen Normalisation (CEN) (1992) Workplaceatmospheres: size fraction definitions for measurement of airborne particles in the workplace. CEN standard EN481.
5. Dunnett S.J. A numerical study of the flow field in the vicinity of a bluff body with aspiration oriented to the flow. Atmos. Environ. 31:1997;3745-3752.
6. Dunnett S.J. A viscous model of Aerosol Sampling. J. Aerosol Sci. 29:1998;1139-1140.
7. Dunnett S.J. An analytical investigation into the nature of the airflow near a spherical bluff body with suction. J. Aerosol Sci. 30:1999;163-171.
8. Dunnett S.J., Ingham D.B. The Mathematics of Blunt Body Sampling. 1988;Springer.
9. Dunnett S.J., Ingham D.B. An empirical model for the aspiration efficiencies of blunt aerosol samplers oriented at an angle to the oncoming flow. Aerosol Sci. Technol. 8:1988;245-264.
10. Grinshpun S., Willeke K., Kalatoor S. A general equation for aerosol aspiration by thin-walled sampling probes in calm and moving air. Atmos. Environ. 27A:1993;1459-1470.
11. Hangal S., Willeke K. Overall efficiency of tubular inlets sampling at 0-90 degrees from horizontal aerosol flows. Atmos. Environ. 24A:1990;2379-2386.
12. Ingham D.B., Hildyard M.L. The fluid flow into a blunt aerosol sampler oriented at an angle to the oncoming flow. J. Aerosol Sci. 22:1991;235-252.
13. International Standards Organisation (ISO) (1992) Air quality - particle size fraction definitions for health related sampling. Technical Report ISO / TR / 7708-1983 (E), ISO, Geneva. 1983, revised 1992.
14. Milne-Thomson, (1968) Theoretical Hydrodynamics. Macmillan and Co. Ltd, New York.
15. Ramachandran G., Sreenath A., Vincent J.H. Towards a new method for experimental determination of aerosol sampler aspiration efficiency in small wind tunnels. J. Aerosol Sci. 29:1998;875-891.
16. Sreenath A., Ramachandran G., Vincent J.H. Experimental investigations into the nature of airflows near bluff bodies with aspiration, with implications to aerosol sampling. Atmos. Environ. 31:1997;2349-2360.
17. Tsai P.-J., Vincent J.H. Impaction model for the aspiration efficiencies of aerosol samplers at large angles with respect to the wind. J. Aerosol Sci. 24:1993;919-928.
18. Tsai P.-J., Vincent J.H., Mark D., Maldonado G. Impaction model for the aspiration efficiencies of aerosol samplers in moving air under orientation-averaged conditions. Aerosol Sci. Technol. 22:1995;271-286.
19. Tsai P.-J., Vincent J.H., Mark D. Semi-empirical model for the aspiration efficiencies of personal aerosol samplers of the type widely used in occupational hygiene. Ann. Occup. Hyg. 40:1996;93-114.
20. Vincent J.H. A comparison between models for predicting the performances of blunt dust samplers. Atmos. Environ. 18:1984;1033-1035.
21. Vincent J.H. Recent advances in aspiration theory for thin-walled and blunt aerosol sampling probes. J. Aerosol Sci. 18:1987;487-498.
22. Vincent, J. H. (1989) Aerosol Sampling Science and Practice. Wiley, Chicester.
23. Vincent, J. H. (1995) Aerosol Science for Industrial Hygienists. Elsevier, Oxford, UK.
24. Vincent, J. H., Ramachandran, G., and Sreenath, A. (1998) Studies of aerosol sampler performance characteristics. Final Report on research carried out under NIOSH-CDC Research Grant No. 5 RO1 OH02984-03.
25. Wen X., Ingham D.B. Aspiration efficiency of a thin-walled cylindrical probe rear-facing the wind. J. Aerosol Sci. 26:1995;95-107.