Results 151 to 160 of about 31,919 (261)

Unstable Drainage Dynamics During Multiphase Flow Across Capillary Heterogeneities

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract We use novel, fast 4D Synchrotron X‐ray imaging with large field‐of‐view to reveal pore‐ and macro‐scale drainage dynamics during gas–brine flow through a layered sandstone rock sample. We show that a single centimeter‐scale layer, similar in pore size distribution to the surrounding rock but with reduced connectivity, temporarily inhibits ...
C. Harris   +4 more
wiley   +1 more source

Rapid Steam‐Assisted Temperature Swing Adsorption for Direct Air Capture Using a Rotary Adsorber

open access: yesAdvanced Science, Volume 13, Issue 19, 2 April 2026.
This study presents a direct air capture (DAC) device based on a steam‐regeneration rotary adsorber for high‐purity CO2. Testing of the prototype demonstrates its capability for continuous and stable carbon capture with the potential to achieve ton‐scale.
Junye Wu   +6 more
wiley   +1 more source

Verification of a Fluid–Structure Interaction Model for Aortic Stenosis Through Comparison With In Vitro Experiments

open access: yesInternational Journal for Numerical Methods in Biomedical Engineering, Volume 42, Issue 4, April 2026.
A patient‐specific Fluid–structure Interaction (FSI) model of aortic stenosis was verified against in vitro experiments using a mock‐loop circulatory system with patient‐specific calcified and non‐calcified valve models under varying flow conditions. The in vitro experiments were replicated in the FSI model.
Sabine Verstraeten   +9 more
wiley   +1 more source

Transonic unsteady aerodynamic and aeroelastic calculations about airfoils and wings [PDF]

open access: yes
Research in the area of computational unsteady transonic flows about airfoils and wings, including aeroelastic effects was surveyed. In the last decade, there were extensive developments in computational methods in response to the need for computer codes
Goorjian, Peter M., Guruswamy, Guru P.
core   +1 more source

Investigation of the actual implementation of “post‐sedation discharge criteria” and “time‐out” immediately before procedure in endoscopy: A nationwide survey study in Japan

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Objectives Post‐sedation discharge criteria for outpatient endoscopy and time‐out procedures immediately before endoscopic examinations are important for ensuring patient safety. This study used a web‐based questionnaire to survey the implementation status and current situation of these practices in Japan in 2024.
Atsushi Imagawa   +3 more
wiley   +1 more source

Application of High‐Order Direct Flux Reconstruction and Stiffness‐Resilient Time Integration to Simulations of Idealized Atmospheric Flows

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 98, Issue 4, Page 448-468, April 2026.
The proposed work implements a direct flux reconstruction method for spatial discretization and a stiffness‐resilient exponential time integration method for temporal discretization on the cube‐sphere grid. A space‐time tensor formalism is employed to provide a general representation in any curvilinear coordinate system. This combination enables highly
Stéphane Gaudreault   +6 more
wiley   +1 more source

Butterfly Clap-Fling Flight Mechanisms Observed by Schlieren Imaging for the Design of Bio-Inspired Micro Air Vehicles. [PDF]

open access: yesBiomimetics (Basel)
Prisăcariu EG   +5 more
europepmc   +1 more source

Computational, unsteady transonic aerodynamics and aeroelasticity about airfoils and wings [PDF]

open access: yes
Research in the area of computational, unsteady transonic flows about airfoils and wings, including aeroelastic effects is reviewed. In the last decade, there have been extensive developments in computational methods in response to the need for computer ...
Goorjian, Peter M., Guruswamy, Guru P.
core   +1 more source

Hydrodynamic Modelling of Flexible Woody Vegetation With Delft3D FM: Implementing Physically‐Based 2D Flow–Vegetation Interaction Processes

open access: yesHydrological Processes, Volume 40, Issue 4, April 2026.
We developed and made accessible to end‐users a numerical 2D hydrodynamic modelling approach with several advantages: reliable applicability to flexible woody vegetation from emergent to submerged conditions, and improved estimates of effective bed shear stress for sediment transport. Novelties compared to existing numerical models include a physically
Kaisa Västilä   +3 more
wiley   +1 more source

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