The effect of pulsation dampening on the collection efficiency of personal sampling pumps.

Details

• Personal Author:
  Anderson DP ; Seta, Joseph A. ; Vining JF III
• Description:
  Portable, cyclone-type personal samplers, used to sample respirable dust in coal mines, report significantly lower respirable concentrations than do similar cyclone-filter configurations when operated at steady flow rates. The decrease in respirable concentration is caused by increased cyclone retention which has been related to the degree of velocity fluctuation at the cyclone inlet port. Pulsation dampeners, when added, improve respirable collection efficiency, resulting in performance close to that of uniform flow. [Description provided by NIOSH]
• Content Notes:
  in NTRL, no PDF
• Subjects:
  Coal Dust Environmental Monitoring Occupational Health Particulate Matter Personal Protective Equipment Safety
• Keywords:
  NIOSH-Author; Air-quality-control; Dust-control; Coal-dust; Particulate-sampling; Dust-samplers; Personal-protective-equipment; Air-sampling-equipment; Cyclone-separators; Centrifugal-separators;
• Document Type:
  Text
• Genre:
  Report
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-15
• NIOSHTIC Number:
  nn:00047934
• NTIS Accession Number:
  PB91240283
• Citation:
  NIOSH 1971 Sep:1-15
• Federal Fiscal Year:
  1971
• Peer Reviewed:
  False
• Source Full Name:
  NIOSH, No. TR-70
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
• Download URL:
  https://stacks.cdc.gov/view/cdc/241835/cdc_241835_DS1.pdf
• File Type:
  [PDF - 168.02 KB ]