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atmos:datacollections:2022_03_14

March 14 2022 Log

* Run 01: SMPS_20220314_Run01

  • SMPS Setup:
    • 3775 High
    • Classifier Model: 3080
    • DMA: 3081
    • Sheath: 4.5, Aerosol: 1.5
    • Impactor Type: 0.071
    • Size Range: 11.1 nm - 523.3 nm
    • Scan Time: 120 Up, Retrace: 15
  • Start Time: 19:22 UTC
  • Adjusted Flow Rate Time: 19:33 UTC
  • CPC Concentration: 9000 - 9300 #/cm3
  • APS Peak: around 2.5µm at ~ 40-55 #/cm3
  • Notes: CPC Concentration slightly going down, APS diameter peak slightly going up.

* Run 02: SMPS_20220314_Run02

  • Filter changed: 47mm
  • Start Time: 20:04 UTC
  • CPC Starting Concentration: 7500 #/cm3
  • Peak on APS not visible
  • Concentrations dipped at 20:10 UTC. Looks like a loss of power.
  • After investigation, fans overheated causing a loss of power. End of run.

* Run 03: SMPS_20220314_Run03

  • Start Time: 21:39 UTC
  • CPC Starting Concentration: 8000 #/cm3
  • APS Starting Peak: ~ 3 μm at 6-8 #/cm3
  • APS Pattern: Flat Spectrum. Minor peaks between 3-4 μm at 8 #/cm3
  • CPC Concentration at 7000 #/cm3 5 mins into run.
  • Temperature inside generator/wind tunnel 142-146 °F.

* Run 04: SMPS_20220314_Run04

  • Start Time: 22:05 UTC
  • CPC Starting Concentration: 5300 #/cm3
  • APS Starting Pattern: Fairly flat, minor peak around 3.5 µm at 10-12 #/cm3
  • APS pattern progressively more flat as run continued. Very minor peak remained around 3-4 µm.
atmos/datacollections/2022_03_14.txt · Last modified: 2022/11/16 18:12 by 127.0.0.1