Advertisement

Flowrate Dependence of Particle Shedding from a Gas Delivery Line

  • Scott J. Alberhasky
  • Richard J. McCluskey
  • Denis J. Poley

Abstract

Particle count measurements have been made on filtered N2 passed through a 30 ft section of 0.18″ i.d., 316L stainless steel tubing that had seen extended service as a delivery line for dry HCl. Experiments of two hours duration were run in sequence at N2 flowrates of 0.14, 0.33, 0.43 and 1.0 CFM. The corresponding flow Reynolds numbers were 1200, 2900, 3800 and 8800. A PMS Model LAS-X particle counter tallied particles within a 0.3 1pm exit sample stream over 10 minute time intervals. Counts were made for fifteen equistep size classes between 0.17 and 0.62 urn, as well as for all particles ›0.62 μm.

Keywords

Reynolds Number High Reynolds Number Total Count Particle Count Flow Reynolds Number 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    K. Sugiyama, F. Nakahara, and T. Ohmi, Microcontamination, 7(7), 29-32, 96–102 (1989).Google Scholar
  2. 2.
    K. Sugiyama, T. Ohmi, T. Okumura, and F. Nakahara, Microcontamination, 7(1), 37-40, 60–65 (1989).Google Scholar
  3. 3.
    A. Kumar and CE. Dyer, Solid State Technol., 30(2), 89 (1987).Google Scholar
  4. 4.
    D. Jensen, Microcontamination, 5(5), 52 (1987).Google Scholar
  5. 5.
    U.H. Koch and J.H. Pinson, Microcontamination, 7(3), 19-21, 61–66 (1989).Google Scholar
  6. 6.
    S.D. Cheung and R.P. Roberge, Microcontamination, 5(5), 44 (1987).Google Scholar
  7. 7.
    D.W. Cooper, Solid State Technol., 29(1), 73 (1986).Google Scholar
  8. 8.
    W.C. Hinds, “Aerosol Technology: Properties, Behavior and Measurement of Airborne Particles,” Ch. 10, p. 191, J. Wiley and & Sons, New York, 1982.Google Scholar
  9. 9.
    M.L. Malczewski, J.D. Borkman, and G.T. Vardian, Solid State Technol., 29(4), 151 (1986).Google Scholar
  10. 10.
    R. Sitze and W.J. Thorn, “Sampling System Contribution to Particle Concentrations Measured in Nitrogen from 2200 psig Cylinders,” Report from the Particle Measurement Laboratory, Keasbey, New Jersey, Linde Division, Union Carbide Corporation, April 25, 1986.Google Scholar
  11. 11.
    J.M. Davidson, Solid State Technol., 30(7), 63 (1987).Google Scholar
  12. 12.
    S.J. Alberhasky, “Particle Contamination in Compressed Gas Systems,” M.S. Thesis, Clarkson University, Potsdam, NY, August, 1987.Google Scholar
  13. 13.
    W.C. Hinds and G. Kraske, J. Aerosol Sci., 17(1), 67–72 (1986).CrossRefGoogle Scholar
  14. 14.
    M.D. Durham and D.H. Lundgren, J. Aerosol Sci., 11(2), 179–188 (1980).CrossRefGoogle Scholar
  15. 15.
    N.L. Johnson and F.C. Leone, “Statistics and Experimental Design in Engineering and the Physical Sciences,” Vol. 1, 2nd Ed., pp. 252–254, John Wiley & Sons, New York, 1977.Google Scholar
  16. 16.
    N.T. Obot, “Determination of Incompressible Flow Friction in Smooth Circular and Noncircular Passages,” ASME Paper 88-WA/FE-1, Winter Annual Meeting, Chicago, 1988.Google Scholar
  17. 17.
    J.W. Cleaver and B. Yates, J. Colloid Interface Sci., 44(3), 464–474 (1973).CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Scott J. Alberhasky
    • 1
  • Richard J. McCluskey
    • 1
  • Denis J. Poley
    • 2
  1. 1.Department of Chemical EngineeringClarkson UniversityPotsdamUSA
  2. 2.IBM CorporationEssex JunctionUSA

Personalised recommendations