Home » Airborne Measurements » DMA - TDMA - Size resolved aerosol volatility, U. of Hawaii
DMA - TDMA - Size resolved aerosol volatility, U. of Hawaii
STATUS
Operational
AVAILABILITY
As funded for experiments.
REQUEST PROCEDURE
contact Antony Clarke, University of Hawaii
Airborne Measurements
Size resolved thermal volatility of aerosol between 10-200nm um diameter. Differential mobility analyzer and thermal denuder system. Tandem DMA volatility capability Ues a radial-DMA and Nano-DMA wih volatility system
CONTACT
Antony D. Clarke
University of Hawaii
1000 Pope Rd. Honolulu, HI 96822
808-956-6215
tclarke@soest.hawaii.edu
http://www.soest.hawaii.edu/HIGEAR/
SPECIFICATIONS
Manufacturercustom
Dimensions19" rack mount unit about 12" high
Weightabout 25kg w/ pump
Power Source Type110 VAC, 400W w/ pump
Inlet Apertures
Heating/Cooling Requirementsnone
Airspeed/Altitude Requirementspressures above 200mb
Operators Required1 usually operating other instruments as well
Ground Requirements
Suitable PlatformsC-130, HAIPER, ship, ground
Data Systemrack mount PC
Measured Parameterparticle size and volatility
Measurement Techniquemobility size and thermal volatility
Operational Modesamples from collection chamber
Time Resolutionsingle particle capability but commonly 1Hz data stored
Horizontal Resolution
Other Resolutionabout 30s for unheated, about 90s for temperature scans
Precision
Accuracy
Range10 - 200nm diameter
Calibration Methodcalibration spheres
Limitationspressures above 300mb
REFERENCES
Clarke, A. D., V. N. Kapustin, Y. Shinozuka, S. Howell, B. Huebert, S. Masonis, T. Anderson, D. Covert, R. Weber, J. Anderson, H. Zin, K.G. Moore II, C. McNaughton; Size-Distributions and Mixtures of Black Carbon and Dust Aerosol in Asian Outflow: Physio-chemistry, Optical Properties, Jour. Geophys, Res., 109, D15S09, doi:10.1029/2003JD004378, 2004.
REMARKS
Provides size distributions and mixing state based upon volatility at 150 deg C and 300 deg C.
UPDATED ON
3 Sep 2009 13:47