Articles | Volume 20, issue 14
https://doi.org/10.5194/acp-20-9087-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-9087-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Diffusional growth of cloud droplets in homogeneous isotropic turbulence: DNS, scaled-up DNS, and stochastic model
Lois Thomas
HPCS, Indian Institute of Tropical Meteorology, Ministry of Earth Sciences, Pune 411008, India
Department of Atmospheric and Space Sciences, Savitribai Phule Pune University, Pune 411007, India
Wojciech W. Grabowski
CORRESPONDING AUTHOR
National Center for Atmospheric Research, Boulder, Colorado, USA
Bipin Kumar
HPCS, Indian Institute of Tropical Meteorology, Ministry of Earth Sciences, Pune 411008, India
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Cited
16 citations as recorded by crossref.
- Optimization of DNS code and visualization of entrainment and mixing phenomena at cloud edges B. Kumar et al. https://doi.org/10.1016/j.parco.2021.102811
- Scour around offshore wind turbine monopile foundations under tidal flow: CFD-DEM coupled approach N. Zhang et al. https://doi.org/10.1016/j.oceaneng.2025.123411
- CCN activation in homogeneous isotropic turbulence: Response to particle characteristics and environmental conditions L. Thomas et al. https://doi.org/10.1016/j.atmosres.2023.107095
- Persistent mixed‐phase states in adiabatic cloud parcels under idealised conditions G. Abade & D. Albuquerque https://doi.org/10.1002/qj.4775
- Supersaturation Variability from Scalar Mixing: Evaluation of a New Subgrid-Scale Model Using Direct Numerical Simulations of Turbulent Rayleigh–Bénard Convection K. Chandrakar et al. https://doi.org/10.1175/JAS-D-21-0250.1
- Use of multiplatform in-situ observation to study vertical structure and microphysics of clouds during southwest monsoon over Western Ghats, India P. Leena et al. https://doi.org/10.1016/j.atmosres.2023.106780
- Impact of aerosols and turbulence on cloud droplet growth: an in-cloud seeding case study using a parcel–DNS (direct numerical simulation) approach S. Chen et al. https://doi.org/10.5194/acp-20-10111-2020
- Direct numerical simulation of turbulence and microphysics in the Pi Chamber T. MacMillan et al. https://doi.org/10.1103/PhysRevFluids.7.020501
- Investigation of cloud droplets velocity extraction based on depth expansion and self-fusion of reconstructed hologram P. Gao et al. https://doi.org/10.1364/OE.458947
- Statistical properties of a stochastic model of eddy hopping I. Saito et al. https://doi.org/10.5194/acp-21-13119-2021
- The role of thermodynamic forcing in direct numerical simulations of turbulence–cloud microphysics interactions A. Sharfuddin et al. https://doi.org/10.1063/5.0349785
- Cloud droplet diffusional growth in homogeneous isotropic turbulence: bin microphysics versus Lagrangian super-droplet simulations W. Grabowski & L. Thomas https://doi.org/10.5194/acp-21-4059-2021
- Hygroscopic Seeding Effects of Giant Aerosol Particles Simulated by the Lagrangian‐Particle‐Based Direct Numerical Simulation S. Chen et al. https://doi.org/10.1029/2021GL094621
- Modulation of fluid temperature fluctuations by particles in turbulence I. Saito et al. https://doi.org/10.1017/jfm.2021.939
- Impact of Cloud-Base Turbulence on CCN Activation: Single-Size CCN W. Grabowski et al. https://doi.org/10.1175/JAS-D-21-0184.1
- Effects of correlated collisions and intermittency on the growth of lucky droplets T. Bätge et al. https://doi.org/10.1073/pnas.2502553123
16 citations as recorded by crossref.
- Optimization of DNS code and visualization of entrainment and mixing phenomena at cloud edges B. Kumar et al. https://doi.org/10.1016/j.parco.2021.102811
- Scour around offshore wind turbine monopile foundations under tidal flow: CFD-DEM coupled approach N. Zhang et al. https://doi.org/10.1016/j.oceaneng.2025.123411
- CCN activation in homogeneous isotropic turbulence: Response to particle characteristics and environmental conditions L. Thomas et al. https://doi.org/10.1016/j.atmosres.2023.107095
- Persistent mixed‐phase states in adiabatic cloud parcels under idealised conditions G. Abade & D. Albuquerque https://doi.org/10.1002/qj.4775
- Supersaturation Variability from Scalar Mixing: Evaluation of a New Subgrid-Scale Model Using Direct Numerical Simulations of Turbulent Rayleigh–Bénard Convection K. Chandrakar et al. https://doi.org/10.1175/JAS-D-21-0250.1
- Use of multiplatform in-situ observation to study vertical structure and microphysics of clouds during southwest monsoon over Western Ghats, India P. Leena et al. https://doi.org/10.1016/j.atmosres.2023.106780
- Impact of aerosols and turbulence on cloud droplet growth: an in-cloud seeding case study using a parcel–DNS (direct numerical simulation) approach S. Chen et al. https://doi.org/10.5194/acp-20-10111-2020
- Direct numerical simulation of turbulence and microphysics in the Pi Chamber T. MacMillan et al. https://doi.org/10.1103/PhysRevFluids.7.020501
- Investigation of cloud droplets velocity extraction based on depth expansion and self-fusion of reconstructed hologram P. Gao et al. https://doi.org/10.1364/OE.458947
- Statistical properties of a stochastic model of eddy hopping I. Saito et al. https://doi.org/10.5194/acp-21-13119-2021
- The role of thermodynamic forcing in direct numerical simulations of turbulence–cloud microphysics interactions A. Sharfuddin et al. https://doi.org/10.1063/5.0349785
- Cloud droplet diffusional growth in homogeneous isotropic turbulence: bin microphysics versus Lagrangian super-droplet simulations W. Grabowski & L. Thomas https://doi.org/10.5194/acp-21-4059-2021
- Hygroscopic Seeding Effects of Giant Aerosol Particles Simulated by the Lagrangian‐Particle‐Based Direct Numerical Simulation S. Chen et al. https://doi.org/10.1029/2021GL094621
- Modulation of fluid temperature fluctuations by particles in turbulence I. Saito et al. https://doi.org/10.1017/jfm.2021.939
- Impact of Cloud-Base Turbulence on CCN Activation: Single-Size CCN W. Grabowski et al. https://doi.org/10.1175/JAS-D-21-0184.1
- Effects of correlated collisions and intermittency on the growth of lucky droplets T. Bätge et al. https://doi.org/10.1073/pnas.2502553123
Saved (final revised paper)
Latest update: 31 Oct 2026
Short summary
This work presents an extension of a classical small-scale modeling approach, direct numerical simulation (DNS), to large computational volumes, tens and hundreds of meters on the side. Diffusional growth of cloud droplets is more significantly affected by large scales of turbulent motions because vertical velocity perturbations associated with those scales result in larger and longer-lasting supersaturation perturbations that affect the spread of the droplet spectrum.
This work presents an extension of a classical small-scale modeling approach, direct numerical...
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