Search Results - "Grabowski, Wojciech W."

Adiabatic Evolution of Cloud Droplet Spectral Width: A New Look at an Old Problem by Grabowski, Wojciech W., Pawlowska, Hanna

“…Spectral width of the cloud droplet spectrum is important for radiative properties and drizzle/rain development in warm ice‐free clouds. We use an adiabatic…”
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Growth of Cloud Droplets in a Turbulent Environment by Grabowski, Wojciech W, Wang, Lian-Ping

“…Motivated by the need to resolve the condensation-coalescence bottleneck in warm rain formation, a significant number of studies have emerged in the past 15…”
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Diffusional growth of cloud droplets in homogeneous isotropic turbulence: DNS, scaled-up DNS, and stochastic model by Thomas, Lois, Grabowski, Wojciech W, Kumar, Bipin

“…This paper presents a novel methodology to use direct numerical simulation (DNS) to study the impact of isotropic homogeneous turbulence on the condensational…”
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Cloud droplet diffusional growth in homogeneous isotropic turbulence: bin microphysics versus Lagrangian super-droplet simulations by Grabowski, Wojciech W, Thomas, Lois

“…The increase in the spectral width of an initially monodisperse population of cloud droplets in homogeneous isotropic turbulence is investigated by applying a…”
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MODELING OF CLOUD MICROPHYSICS: Can We Do Better? by Grabowski, Wojciech W., Morrison, Hugh, Shima, Shin-Ichiro, Abade, Gustavo C., Dziekan, Piotr, Pawlowska, Hanna

“…Representation of cloud microphysics is a key aspect of simulating clouds. From the early days of cloud modeling, numerical models have relied on an Eulerian…”
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Confronting the Challenge of Modeling Cloud and Precipitation Microphysics by Morrison, Hugh, Lier‐Walqui, Marcus, Fridlind, Ann M., Grabowski, Wojciech W., Harrington, Jerry Y., Hoose, Corinna, Korolev, Alexei, Kumjian, Matthew R., Milbrandt, Jason A., Pawlowska, Hanna, Posselt, Derek J., Prat, Olivier P., Reimel, Karly J., Shima, Shin‐Ichiro, Diedenhoven, Bastiaan, Xue, Lulin

“…In the atmosphere, microphysics refers to the microscale processes that affect cloud and precipitation particles and is a key linkage among the various…”
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Lagrangian condensation microphysics with Twomey CCN activation by Grabowski, Wojciech W, Dziekan, Piotr, Pawlowska, Hanna

“…We report the development of a novel Lagrangian microphysics methodology for simulations of warm ice-free clouds. The approach applies the traditional Eulerian…”
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Effects of turbulence on the geometric collision rate of sedimenting droplets. Part 1. Results from direct numerical simulation by Ayala, Orlando, Rosa, Bogdan, Wang, Lian-Ping, Grabowski, Wojciech W

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Convective environment in pre-monsoon and monsoon conditions over the Indian subcontinent: the impact of surface forcing by Thomas, Lois, Malap, Neelam, Grabowski, Wojciech W, Dani, Kundan, Prabha, Thara V

“…Thermodynamic soundings for pre-monsoon and monsoon seasons from the Indian subcontinent are analysed to document differences between convective environments…”
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Kinematic and dynamic collision statistics of cloud droplets from high-resolution simulations by Rosa, Bogdan, Parishani, Hossein, Ayala, Orlando, Grabowski, Wojciech W, Wang, Lian-Ping

“…We study the dynamic and kinematic collision statistics of cloud droplets for a range of flow Taylor microscale Reynolds numbers (up to 500), using a highly…”
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Indirect Impact of Atmospheric Aerosols in Idealized Simulations of Convective–Radiative Quasi Equilibrium by Grabowski, Wojciech W.

“…This paper discusses a cloud-resolving modeling study concerning the impact of warm-rain microphysics on convective–radiative quasi equilibrium with fixed…”
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Indirect Impact of Atmospheric Aerosols in Idealized Simulations of Convective–Radiative Quasi Equilibrium. Part II: Double-Moment Microphysics by Grabowski, Wojciech W., Morrison, Hugh

“…This paper extends the previous cloud-resolving modeling study concerning the impact of cloud microphysics on convective–radiative quasi equilibrium (CRQE)…”
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Turbulent collision efficiency of heavy particles relevant to cloud droplets by Wang, Lian-Ping, Ayala, Orlando, Rosa, Bogdan, Grabowski, Wojciech W

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The FastEddy® Resident‐GPU Accelerated Large‐Eddy Simulation Framework: Moist Dynamics Extension, Validation and Sensitivities of Modeling Non‐Precipitating Shallow Cumulus Clouds by Muñoz‐Esparza, Domingo, Sauer, Jeremy A., Jensen, Anders A., Xue, Lulin, Grabowski, Wojciech W.

“…Herein we describe the moist dynamics formulation implemented within the graphics processing unit‐resident large‐eddy simulation FastEddy® model, which…”
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Daytime convective development over land: The role of surface forcing by Grabowski, Wojciech W.

“…Abstract Water availability at the Earth surface determines the portioning of the surface heat flux into its sensible and latent components, that is, the…”
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Resolution and domain‐size sensitivity in implicit large‐eddy simulation of the stratocumulus‐topped boundary layer by Pedersen, Jesper G., Malinowski, Szymon P., Grabowski, Wojciech W.

“…As a complement to measurements, numerical modeling facilitates improved understanding of the complex turbulent processes in the stratocumulus‐topped boundary…”
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A hybrid approach for simulating turbulent collisions of hydrodynamically-interacting particles by Ayala, Orlando, Grabowski, Wojciech W., Wang, Lian-Ping

“…A hybrid direct numerical simulation (DNS) approach is proposed for simulating turbulent collisions of hydrodynamically-interacting particles, under the…”
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A numerical investigation of entrainment and transport within a stratocumulus‐topped boundary layer by KUROWSKI, Marcin J, MALINOWSKI, Szymon P, GRABOWSKI, Wojciech W

“…Entrainment into the stratocumulus‐topped boundary layer (STBL) is investigated by means of large‐eddy simulations. Set‐up of the numerical experiment is based…”
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CRCP: a Cloud Resolving Convection Parameterization for modeling the tropical convecting atmosphere by Grabowski, Wojciech W, Smolarkiewicz, Piotr K

“…A new computational approach, CRCP, is proposed in which both the large-scale (LS) tropical dynamics and cloud-scale (CS) dynamics are captured explicitly. The…”
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Supersaturation, buoyancy, and deep convection dynamics by Grabowski, Wojciech W, Morrison, Hugh

“…Motivated by recent discussions concerning differences of convective dynamics in polluted and pristine environments, the so-called convective invigoration in…”
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