Flight 1

Date: 2n

d

November 2004

Time: 11:45-14:30 GMT

Flight Duration 165 minutes

Data Collected 21.8 Mb

Recording Rate: 10 Hz*

Airspeed: 80 m s-

1

Deployment: South Wales, XXX Bay

Extensive Layer Cloud 3,000-5000 feet, occasional 7,000 feet. Land and Marine Cases.

N

= 50-300 cm-

3

D

= 12-34 μm

LWC

= 0.1 - 3 g m-

3

CDP configured : 3-60 m, Range 0.

* Using DMT PACS Software

UK Flight Tests of CDP-100 NERC ARSF Do-228

UK Flight Tests of CDP-100 NERC ARSF Do-228

Flight Team (right to left):Pilot: Carl Joseph (ARSF),Instrument Scientist (Mike Flynn UoM),Co-Pilot: David Davies (ARSF)PI: M.Gallagher (UoM)

Flight Team (right to left):Pilot: Carl Joseph (ARSF),Instrument Scientist (Mike Flynn UoM),Co-Pilot: David Davies (ARSF)PI: M.Gallagher (UoM)

ARSF Do-228 CDP Test Flight 031104 11:45-14:30. CDP Range 0, 30 Channels, 10 Hz

Size limit of CDP

CDP Test Flight 031104 11:45-14:30 Time series of cloud droplet concentrationmean and maximum droplet sizesurface area and volume

Low Temperature Test and Intercomparison Experiment with CDP, AIDA Aerosol Chamber,

Karlsruhe, November 2003

Low Temperature Test and Intercomparison Experiment with CDP, AIDA Aerosol Chamber,

Karlsruhe, November 2003

Volume 84 m3

T Range: 0 to –90 °C

P Range: 0.01 to 1000 hPa

Ice saturation by ice coated walls

Dynamic expansion:

• Cooling rates 0.1 to 4 K/min

• RHi increase up to 100 %/min

• RHi: > 160 %

• Duration of expansion ∼30 min

CDP & SID-1 Comparison

AIDA Facility : Preliminary tests with CDP. AIDA Facility : Preliminary tests with CDP.

Exterior of AIDA

Facility

Exterior of AIDA

Facility

Bottom & Interior of AIDA chamber showing inlets at

bottom for cloud spectrometers

Bottom & Interior of AIDA chamber showing inlets at

bottom for cloud spectrometers

Various aerosol/cloud/ice spectrometers including CDP, CPI, WELAS, VIPS & SID-1Various aerosol/cloud/ice spectrometers including CDP, CPI, WELAS, VIPS & SID-1