Differential Aerosol Sizing and Hygroscopicity Spectrometer Probe

Status

Status
Operational
Operated By
PI

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
Differential mobility,
Spectrometer (in situ)
Measurements
Aerosol
Aircraft
DC-8 - AFRC,
P-3 Orion - WFF
Recent Missions
CAMP2Ex
(P-3 Orion - WFF)
;
ARCSIX
(P-3 Orion - WFF)
;
DC3
(DC-8 - AFRC)
;
SEAC4RS
(DC-8 - AFRC)
Point(s) of Contact
Armin Sorooshian
(POC; PI)
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)
Weight
220.00 kg
Size
Length
45.00 cm
(L) x
Width
59.00 cm
(W) x
Height
66.00 cm
(H)
Power:
240.00 W
Location
samples from either isokinetic inlet or counterflow virtual impactor inlet
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
TRL
9
Publications

 

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