European Facility For Airborne Research

European Facility For Airborne Research Dec. 5, 2025, 07:12

Instrument: ADA Phase Doppler Particle Analyzer

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  3. Instrument: ADA Phase Doppler Particle Analyzer
Name ADA Phase Doppler Particle Analyzer
Acronym ADA100-PDPA
Manufacturer TSI Inc.
Manufacturer website http://www.tsi.com/
Operated by FAAM
Operated onboard

Instrument type

Name Cloud/Aerosol Microphysics Multi-function Instrument
Acronym Aerosol/Cloud multi-function

Principle of operation

Measured parameter Aerosol and cloud droplet properties
Operating principle

Measurement(s) Aerosol

Dimension and weight

External dimension Dimensions 42.1 x 3.4 x 30.1 cm
Weight 4.5

Performance

Operating mode In situ
Range

Resolution

Sensitivity

Accuracy

Bandwidth

Modifications

Operational restriction

Operational requirements

Freestream flow external to aircraft skin. Axis of instrument parallel to free stream flow. Velocity component measured is parallel to the instrument axis
Certification approvals

Approved by CAA for use on BAe 146-301.
Additional information

- Measurement of cloud droplet size spectrum from 0.7 to 128microns in diameter.
- Measurement of velocity size spectrum (ditto)
- Measurement of cloud droplet number concentration
- Measurement of instantaneous Volume Flux
- Measurement of Cloud Liquid Water content
- Performance of above measurements in riming/mixed phase clouds and very high number concentrations. Cloud droplet mean geometric, effective and volume diameter.
- Correlation of droplet number with velocity perturbations as a function of droplet size.

Access, host and processing

Access

Available from FAAM.
Could also fit on any aircraft having the following characteristics

General description

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