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

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

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

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  1. UK Flight Tests of CDP-100 NERC ARSF Do-228 Flight 1Date: 2nd November 2004 Time: 11:45-14:30 GMTFlight Duration 165 minutesData Collected 21.8 MbRecording Rate: 10 Hz*Airspeed: 80 m s-1Deployment: South Wales, XXX BayExtensive Layer Cloud 3,000-5000 feet, occasional 7,000 feet. Land and Marine Cases.N = 50-300 cm-3D = 12-34 μmLWC = 0.1 - 3 g m-3CDP configured : 3-60 m, Range 0.* Using DMT PACS Software Flight Team (right to left): Pilot: Carl Joseph (ARSF), Instrument Scientist (Mike Flynn UoM), Co-Pilot: David Jenkins (ARSF) PI: M.Gallagher (UoM)

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

  3. CDP Test Flight 031104 11:45-14:30 Time series of cloud droplet concentration mean and maximum droplet size surface area and volume Size limit of CDP

  4. Low Temperature Test and Intercomparison Experiment with CDP, AIDA Aerosol Chamber, Karlsruhe, November 2003 CDP & SID-1 Comparison Dynamic expansion: • Cooling rates 0.1 to 4 K/min • RHi increase up to 100 %/min • RHi: > 160 % • Duration of expansion ∼30 min Volume 84 m3 T Range: 0 to –90 °C P Range: 0.01 to 1000 hPa Ice saturation by ice coated walls

  5. AIDA Facility : Preliminary tests with CDP. Bottom & Interior of AIDA chamber showing inlets at bottom for cloud spectrometers Exterior of AIDA Facility Various aerosol/cloud/ice spectrometers including CDP, CPI, WELAS, VIPS & SID-1

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