Results 141 to 150 of about 67,930 (246)

The Climate Modeling Alliance Atmosphere Dynamical Core: Concepts, Numerics, and Scaling

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 3, March 2026.
Abstract This paper presents the dynamical core of the Climate Modeling Alliance (CliMA) atmosphere model, designed for efficient simulation of a wide range of atmospheric flows across scales. The core uses the nonhydrostatic equations of motion for a deep atmosphere, discretized with a hybrid approach that combines a spectral element method (SEM) in ...
Dennis Yatunin, Simon Byrne, Charles Kawczynski, Sriharsha Kandala, Gabriele Bozzola, Akshay Sridhar, Zhaoyi Shen, Anna Jaruga, Julia Sloan, Jia He, Daniel Zhengyu Huang, Valeria Barra, Ray Chew, Anudhyan Boral, Yi‐fan Chen, Oswald Knoth, Paul Ullrich, Cheikh Mbengue, Tapio Schneider   +18 more
wiley   +1 more source

Laminar Natural Convection of Newtonian and Non – Newtonian Fluids Inside Triangular Enclosure

Al-Khawarizmi Engineering Journal, 2007
In the present work, steady two – dimensional laminar natural convection heat transfer of Newtonian and non-Newtonian fluids inside isosceles triangular enclosure has been analyzed numerically for a wide range of the modified Rayleigh numbers of (103 ...
Ala?a Abbas Muhadi
doaj   +2 more sources

Enhanced enstrophy generation for turbulent convection in low-Prandtl-number fluids. [PDF]

Proc Natl Acad Sci U S A, 2015
Schumacher J, Götzfried P, Scheel JD.
europepmc   +1 more source

Coupling Subgrid‐Scale Surface Heterogeneity to the Convective Boundary Layer in the GFDL Global Model (AM4.0‐LM4.0): Parameterization Development and Climate Impacts

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 3, March 2026.
Abstract Atmospheric boundary layer (ABL) flows over spatially heterogeneous surfaces give rise to internal boundary layers and secondary circulations that profoundly affect turbulent transport. Such processes occur at subgrid scales (SGS) in climate models, and while most land models employ parameterizations for surface heterogeneity, ABL schemes ...
Khaled Ghannam, Sergey Malyshev, Elena Shevliakova, Zhihong Tan, Elie Bou‐Zeid, Nathaniel Chaney   +5 more
wiley   +1 more source

Numerical Simulation of Vertical Profiles of Meteorological Variables in Urban Neighborhoods: Coupling an Urban Vertical Diffusion Model With a Single‐Layer Urban Canopy Model (UVDM‐SLUCM)

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 3, March 2026.
Abstract Heterogeneous landscape leads to large variations of urban microclimate in all dimensions, yet the vertical variability of meteorological elements within the urban canopy layer (UCL) has been rarely examined. In the present study, we developed an urban vertical diffusion model coupled with a single‐layer urban canopy model.
Yilin Chen, Jonathan Lieber, Liutao Chen, Jian Hang, Liyue Zeng, Jiachuan Yang   +5 more
wiley   +1 more source

Multi‐State Rheology in Dense Particle‐Liquid Channel Flows Over Bumpy Bed and Its Constitutive Modeling

Water Resources Research, Volume 62, Issue 3, March 2026.
Abstract Dense particle‐liquid flows are common in natural flows processes. A primary challenge lies in the effective modeling of the granular stress, which is intrinsically related to the flowing state of the granular material. By developing non‐invasive experimental technique and measurement methods for internal observations based on the refractive ...
Yunhui Sun, Jiajun Jiao, Subhasish Dey, Hongwei Fang, Qingquan Liu, Xiaoliang Wang   +5 more
wiley   +1 more source

A Semi‐Analytical Model for Predicting the Depth‐Averaged Maximum Longitudinal Velocity in Fully Ice‐Covered Confluences

Water Resources Research, Volume 62, Issue 3, March 2026.
Abstract At river confluences, the complex hydrodynamics result in significant alterations to flow structures, and the maximum velocity zone serves as one of the primary drivers of pollutant transport and riverbed erosion. This study investigates maximum longitudinal velocity formation in fully ice‐covered confluences, statistically validating the ...
Zhiwei Li, Haokun Feng, Carlo Gualtieri, Bin Sun, Gang Chen, Feifei Wang   +5 more
wiley   +1 more source

Empirical Results on the Magnetic Prandtl Number in the Slow Solar Wind Based on In Situ Measurements

Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.
Abstract The magnetic Prandtl number in the slow solar wind is estimated by using magnetic and velocity Reynolds numbers. The Prandtl number quantifies the ratio of kinetic to magnetic diffusion rates in a plasma, and indicates which process dominates the transport dynamics in a fluid.
T. J. E. Hand, O. W. Roberts, X. Li, T. Knight, Y. Narita, Z. Vörös, A. Pitňa   +6 more
wiley   +1 more source

Flow and heat transfer of an exponential stretching sheet in a viscoelastic liquid with Navier slip boundary condition

Journal of Applied Fluid Mechanics, 2015
Viscoelastic boundary layer flow and heat transfer over an exponential stretching continuous sheet have been investigated in this paper. Numerical solution of the highly non-linear momentum equation and heat transfer equation are obtained.
A. S. Chethan, Sekhar G. N, P.G. Siddheshwar   +2 more
doaj  

SOR-Based numerical modeling of hybrid nanofluid flow over a rotating disk with magneto-nonlinear radiation and arrhenius activation energy considering shape factors. [PDF]

Sci Rep
Ahmad A, Ali K, Abbas R, Ahmad S, Ramzan M, Popa IL.   +5 more
europepmc   +1 more source