Status
Status
Operational
The DASH-SP providse rapid measurements of size-resolved aerosol sub-saturated hygroscopic growth factors and the real part of aerosol refractive index. It has been deployed aboard the NASA DC-8 during the DC3 and SEAC4RS field campaign and also on the P3 during ARCSIX (May-Aug 2024).
Instrument Type
Measurements
Aircraft
Recent Missions
Point(s) of Contact
(POC; PI)
Measurement Details
Range of Measurement
In situ
Measurement Sampling Rate
1.00 Hz
Measurement Wavelengths
405 nm (DC3/SEAC4RS were 532 nm, and ARCSIX is 405 nm)
Integration Details
Weight
220.00 kg
Size
45.00 cm (L) x 59.00 cm (W) x 66.00 cm (H)
Power:
240.00 W
Location
samples from either isokinetic inlet or counterflow virtual impactor inlet
Additional Information
Notes
Time resolution varies from as fast as 1 second data to longer times dependent on the ambient aerosol number concentration at a specific dry diameter being sampled at a given time
Mission-Specific Writeups
Document
TRL
9
Publications
Sorooshian, A., et al. (2008), Rapid, size-resolved aerosol hygroscopic growth measurements: differential aerosol sizing and hygroscopicity spectrometer probe (DASH-SP), Aerosol Sci. Tech., 42, 445-464.