Results 141 to 150 of about 32,156 (309)

Steady and unsteady aerodynamics of wings

open access: yes, 2021
Yukarıdaki hesaplamalar bir defa yapıldıktan sonra firar ve hücum kenarlarından atılan panellerin yeni konumlan ile baştaki denkleme tekrar dönülerek aynı yol tekrar izlenir. Bu tür bir yöntem iteratif bir teknik olmadığı için hem daha hızlı ve matris büyüklüğü daha az hem de daha kararlıdır.
openaire   +1 more source

Long‐Term Morphodynamic Responses to Flood Diversion in the Lower Kano River, Japan

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Fluvial morphodynamics—the interaction between water flow, sediment transport, and channel morphology—is a central concern in sustainable river management. However, the long‐term effects of flood diversion remain underexplored. This study investigated the decadal‐scale morphodynamic responses of the lower Kano River in Japan following the ...
Yuta Itsumi   +4 more
wiley   +1 more source

Inclusion of unsteady aerodynamics in longitudinal parameter estimation from flight data [PDF]

open access: yes
A simple vortex system, used to model unsteady aerodynamic effects into the rigid body longitudinal equations of motion of an aircraft, is described. The equations are used in the development of a parameter extraction algorithm.
Keskar, D. A.   +2 more
core   +1 more source

Experimental Study on Fine Sediment Infiltration (FSI) Processes in Different Gravel Mixtures

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Fine sediment infiltration (FSI) can lead to riverbed clogging, thereby degrading important habitats for aquatic biota in the hyporheic interstitial zone of gravel‐bed rivers (e.g., by reducing oxygen availability). This stress on rivers may increase from anthropogenic influences and can be counteracted by artificial gravel augmentation to ...
Michael Paster   +3 more
wiley   +1 more source

Computational Modeling and Experimental Validation of Variabilities in Chemical Vapor Deposition of Graphene on Metals

open access: yesSmall, EarlyView.
ABSTRACT Achieving laterally uniform graphene coatings via low‐pressure chemical vapor deposition (LPCVD) remains challenging due to substrate‐scale variations in near‐wall transport that govern precursor renewal and local growth. Here, transient 3D CFD is coupled with spatially resolved characterization to examine how substrate inclination reorganizes
Tanuj Joshi   +2 more
wiley   +1 more source

Unstructured-grid methods development for unsteady aerodynamic and aeroelastic analyses [PDF]

open access: yes
The current status of unstructured grid methods development in the Unsteady Aerodynamics Branch at NASA-Langley is described. These methods are being developed for unsteady aerodynamic and aeroelastic analyses. The flow solvers are highlighted which were
Batina, John T.   +3 more
core   +1 more source

Bath Vibration During Open Eye Formation in a Physical Model of a Steelmaking Ladle

open access: yessteel research international, EarlyView.
Using a physical model, this study shows that vibration measurements reliably predict open eye size in steelmaking ladles, offering a practical alternative to visual monitoring. Vessel vibrations stabilize faster than the open eye, except at high frequencies near the bottom.
Mika Pylvänäinen   +6 more
wiley   +1 more source

Wind tunnel wall effects in a linear oscillating cascade [PDF]

open access: yes
Experiments in a linear oscillating cascade reveal that the wind tunnel walls enclosing the airfoils have, in some cases, a detrimental effect on the oscillating cascade aerodynamics.
Buffum, Daniel H., Fleeter, Sanford
core   +1 more source

Comparison of a Miniaturized Implantable Two‐Stage Rotodynamic Blood Pump to Equivalent Single‐Stage Concepts

open access: yesArtificial Organs, EarlyView.
This study aims to evaluate the potential of a multistage pump design to enhance hemocompatibility in left ventricular assist devices. We found that the two‐stage concept offers favorable hemolysis measures compared to single‐stage designs, as the reduction in peak shear stresses outweighs the disadvantage associated with prolonged residence time ...
Sarah Linnemeier   +6 more
wiley   +1 more source

Integral-equation methods in steady and unsteady subsonic, transonic and supersonic aerodynamics for interdisciplinary design [PDF]

open access: yes
Progress in the development of computational methods for steady and unsteady aerodynamics has perennially paced advancements in aeroelastic analysis and design capabilities. Since these capabilities are of growing importance in the analysis and design of
Yates, E. Carson, Jr.
core   +1 more source

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