The Continuous Flow Diffusion Chamber (CFDC) is an in situ airborne optical particle counter (OPC). It utilizes vertical flow through two chambers with varying wall temperatures to grow ice particles within an OPC at the bottom of the instrument to determine particle size distribution. If conditions are steady, the CFDC can also measure flow rate, temperature, and humidity. CFDC measures the size distribution of aerosol particles between 0.4 and 20 mm. It measures particle counts every 0.2 seconds and particle spectra every 10 seconds.
Instrument Details
- Optical/Photon
- Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > HumidityEarth Science > Atmosphere > AerosolsEarth Science > Atmosphere > Clouds > Cloud MicrophysicsEarth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size DistributionEarth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature
- Troposphere
- 0.2s, 10 s
- Point
- N/A
- https://doi.org/10.1175/1520-0426(2001)018%3C0725:ACFDCF%3E2.0.CO;2
Paul J. DeMott
Paul J. DeMott
Currently unavailable
NSF, NASA
Unpublished
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