Observational study of relationships between entrainment rate, homogeneity of mixing, and cloud droplet relative dispersion

C Lu, L Zhu, Y Liu, F Mei, JD Fast, MS Pekour… - Atmospheric …, 2023 - Elsevier
The entrainment–mixing process is key to the cloud's dynamical and microphysical
processes. However, to the best of our knowledge, no study has quantitatively linked …

Diverse dispersion effects and parameterization of relative dispersion in urban fog in eastern China

Y Wang, C Lu, S Niu, J Lv, X Jia, X Xu… - Journal of …, 2023 - Wiley Online Library
Understanding cloud droplet relative dispersion is critical for mitigating the confounding
effect of aerosol‐cloud interactions in the simulation of the global climatic patterns. Diverse …

Physical and chemical properties of cloud droplet residuals and aerosol particles during the Arctic Ocean 2018 expedition

L Karlsson, A Baccarini, P Duplessis… - Journal of …, 2022 - Wiley Online Library
Detailed knowledge of the physical and chemical properties and sources of particles that
form clouds is especially important in pristine areas like the Arctic, where particle …

Impact of entrainment mixing and turbulent fluctuations on droplet size distributions in a cumulus cloud: An investigation using Lagrangian microphysics with a subgrid …

KK Chandrakar, WW Grabowski… - Journal of the …, 2021 - journals.ametsoc.org
Entrainment mixing and turbulent fluctuations critically impact cloud droplet size distributions
(DSDs) in cumulus clouds. This problem is investigated via a new sophisticated modeling …

Direct numerical simulation of turbulence and microphysics in the Pi Chamber

T MacMillan, RA Shaw, WH Cantrell, DH Richter - Physical Review Fluids, 2022 - APS
The Pi Chamber is a cloud chamber at Michigan Technological University that utilizes moist
turbulent Rayleigh-Bénard flow between two temperature-controlled, saturated plates to …

[HTML][HTML] Seasonal updraft speeds change cloud droplet number concentrations in low-level clouds over the western North Atlantic

S Kirschler, C Voigt, B Anderson… - Atmospheric …, 2022 - acp.copernicus.org
To determine the impact of dynamic and aerosol processes on marine low clouds, we
examine the seasonal impact of updraft speed w and cloud condensation nuclei …

Scaling of turbulence and microphysics in a convection–cloud chamber of varying height

S Thomas, F Yang, M Ovchinnikov… - Journal of Advances …, 2023 - Wiley Online Library
The convection–cloud chamber enables measurement of aerosol and cloud microphysics,
as well as their interactions, within a turbulent environment under steady‐state conditions …

Large‐eddy simulations of a convection cloud chamber: Sensitivity to bin microphysics and advection

F Yang, M Ovchinnikov, S Thomas… - Journal of Advances …, 2022 - Wiley Online Library
Bin microphysics schemes are useful tools for cloud simulations and are often considered to
provide a benchmark for model intercomparison. However, they may experience issues with …

Enhancements in cloud condensation nuclei activity from turbulent fluctuations in supersaturation

JC Anderson, P Beeler, M Ovchinnikov… - Geophysical …, 2023 - Wiley Online Library
The effect of aerosols on the properties of clouds is a large source of uncertainty in
predictions of weather and climate. These aerosol‐cloud interactions depend critically on …

Sources of stochasticity in the growth of cloud droplets: Supersaturation fluctuations versus turbulent transport

P Prabhakaran, S Thomas, W Cantrell… - Journal of the …, 2022 - journals.ametsoc.org
The role played by fluctuations of supersaturation in the growth of cloud droplets is
examined in this study. The stochastic condensation framework and the three regimes of …