Articles | Volume 18
https://doi.org/10.5194/asr-18-33-2021
https://doi.org/10.5194/asr-18-33-2021
21 Apr 2021
 | 21 Apr 2021

Raindrop fall velocity in turbulent flow: an observational study

Merhala Thurai, Viswanathan Bringi, Patrick Gatlin, and Mathew Wingo

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Latest update: 15 Jun 2024
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Short summary
Fall velocities of rain drops are reported for 2–3 mm drop diameters for several different turbulent intensities. The fall velocities are measured by 2D video disdrometers and the turbulence intensities by 100 Hz sonic anemometer. The findings are, (i) the mean fall speed decreases with increasing turbulent intensity, and (ii) the standard deviation increases with increase in the rms of the air velocity fluctuations.