Results 31 to 40 of about 6,770,878 (333)

Magnetohydrodynamic cross-field boundary layer flow

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1982
The Blasius boundary layer on a flat plate in the presence of a constant ambient magnetic field is examined. A numerical integration of the MHD boundary layer equations from the leading edge is presented showing how the asymptotic solution described by ...
D. B. Ingham, L. T. Hildyard
doaj   +1 more source

Asymptotics, Stability and Region of Attraction of a Periodic Solution to a Singularly Perturbed Parabolic Problem in Case of a Multiple Root of the Degenerate Equation

open access: yesМоделирование и анализ информационных систем, 2016
For a singularly perturbed parabolic problem with Dirichlet conditions we prove the existence of a solution periodic in time and with boundary layers at both ends of the space interval in the case that the degenerate equation has a double root.
V. F. Butuzov   +3 more
doaj   +1 more source

Local Non-Similar Solution for Non-Isothermal Electroconductive Radiative Stretching Boundary Layer Heat Transfer with Aligned Magnetic Field

open access: yesApplied Sciences, 2023
Continuous two-dimensional boundary layer heat transfer in an electroconductive Newtonian fluid from a stretching surface that is biased by a magnetic field aligned with thermal radiation is the subject of this study.
Mohammad Ferdows   +4 more
doaj   +1 more source

Implicit Subgrid-Scale Modeling of a Mach 2.5 Spatially Developing Turbulent Boundary Layer

open access: yesEntropy, 2022
We employ numerically implicit subgrid-scale modeling provided by the well-known streamlined upwind/Petrov–Galerkin stabilization for the finite element discretization of advection–diffusion problems in a Large Eddy Simulation (LES) approach. Whereas its
Guillermo Araya, Christian Lagares
doaj   +1 more source

Spectral stability of noncharacteristic isentropic Navier-Stokes boundary layers

open access: yes, 2007
Building on work of Barker, Humpherys, Lafitte, Rudd, and Zumbrun in the shock wave case, we study stability of compressive, or "shock-like", boundary layers of the isentropic compressible Navier-Stokes equations with gamma-law pressure by a combination ...
A. Matsumura   +19 more
core   +1 more source

Program for calculating laminar and turbulent boundary layers in arbitrary pressure gradients [PDF]

open access: yes, 1972
Computer program predicts growth of boundary layers along any surface where air is flowing. Two integral methods, Cohen-Reshotko and Sasman-Cresici, calculate laminar boundary layers and turbulent boundary layers, respectively; Schlichting-Granville ...
Mcnally, W. D.
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Vortex dynamics under pulsatile flow in axisymmetric constricted tubes

open access: yesPapers in Physics, 2020
Improved understanding of how vortices develop and propagate under pulsatile flow can shed important light on the mixing and transport processes occurring in such systems, including the transition to turbulent regime. For example, the characterization of
Nicasio Barrere   +4 more
doaj   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Entropy Fluctuations and Correlations in Compressible Turbulent Plane Channel Flow

open access: yesEntropy
The thermodynamic turbulence structure of compressible aerodynamic flows is often characterised by the correlation coefficient of entropy with pressure or temperature.
G. A. Gerolymos, I. Vallet
doaj   +1 more source

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