Results 111 to 120 of about 60,483 (231)

Unstable periodic motion in turbulent flows [PDF]

open access: yesNonlinear Processes in Geophysics, 2006
Recently found unstable time-periodic solutions to the incompressible Navier-Stokes equation are reviewed to discuss their relevance to plane Couette turbulence and isotropic turbulence.
G. Kawahara, S. Kida, L. van Veen
doaj  

The Influence of Open Boundary Conditions and Model Resolution on Shallow Cloud Organization in Atmospheric Large Eddy Simulations

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 4, April 2026.
Abstract An open boundary setup is presented in which a high‐resolution (high‐res) large eddy simulation (LES) is one‐way nested in a low‐resolution (low‐res) LES. The high‐res nested LES is compared to the periodic LES from Savazzi et al. (2023, https://doi.org/10.1175/jas‐d‐23‐0098.1).
Franciscus Liqui Lung   +3 more
wiley   +1 more source

Multiscale turbulence in stellarators

open access: yesNuclear Fusion
We present the first gyrokinetic simulations of multiscale turbulence in a stellarator, using the magnetic geometry of Wendelstein 7-X (W7-X) and experimentally relevant parameters. A broad range of scenarios is explored, including regimes where electron-
G. Merlo   +4 more
doaj   +1 more source

New insights from comparing statistical theories for inertial particles in turbulence: II. Relative velocities

open access: yesNew Journal of Physics, 2014
Part I of this two-part series compared two theories for the radial distribution function (RDF), a statistical measure of the clustering of inertial particles in isotropic turbulence. In Part II, we will contrast three theoretical models for the relative
Andrew D Bragg, Lance R Collins
doaj   +1 more source

Microclimf: Fast modelling of microclimate across real landscapes in R

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 4, Page 1112-1123, April 2026.
Abstract Many ecological studies require climate data, but readily available datasets are poor surrogates for the conditions that organisms experience in nature. Understanding the climatic conditions experienced by organisms requires modelling microclimate rather than relying on coarse, station‐based climate data.
Ilya M. D. Maclean
wiley   +1 more source

Internal Lee Waves Control Deep Ocean Turbulent Mixing in the Antarctic Circumpolar Current at 50°E

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Full‐depth (Surface‐to‐bottom) turbulent kinetic energy dissipation (TKED) observed with fast‐response thermistors across the Antarctic Circumpolar Current (ACC) at 50° $\mathit{{}^{\circ}}$E is compared with the energy flux of bottom‐generated internal waves estimated with high‐resolution multibeam bathymetry.
Yusuke Sasaki, Ichiro Yasuda
wiley   +1 more source

Fluctuation-induced force in homogeneous isotropic turbulence. [PDF]

open access: yesSci Adv, 2020
Spandan V   +3 more
europepmc   +1 more source

Upper‐Level Turbulence in the North American and Asian Summer Monsoon Regions Sampled in Recent Aircraft Campaigns

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Small‐scale turbulence above 10 km is investigated using observations from two recent airborne field campaigns: the Asian Summer Monsoon Chemical & Climate Impact Project (ACCLIP) and the Dynamics and Chemistry of the Summer Stratosphere (DCOTSS). Turbulence is enhanced by factors of 2–24 inside clouds, within 100 km of active deep convection,
Rachel Atlas   +10 more
wiley   +1 more source

Changing Aerodynamic Roughness in WRF Reduces Bias and Improves Accuracy in Near‐Surface Wind Simulations

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Accurate simulation of near‐surface wind speed is crucial for applications in renewable energy, dust emission, and air quality modeling. However, the Weather Research and Forecasting (WRF) model systematically over‐estimates 10 m wind speed due to simplified representations of surface roughness and momentum exchange.
Hongquan Song   +5 more
wiley   +1 more source

Modeling the EMIC Wave‐Induced Acceleration of Energetic Protons in the Io Footprint Tail

open access: yesGeophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract The Io footprint tail (FPT) region is crucial for studying the interactions between Io and Jupiter's magnetosphere. In this region, Juno spacecraft observed significant acceleration of energetic protons, concurrently with electromagnetic ion cyclotron (EMIC) waves below the proton gyro‐frequency.
Peng Lu   +6 more
wiley   +1 more source

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