Results 71 to 80 of about 34,049 (217)

Comparative study of wall shear stress at the ascending aorta for different mechanical heart valve prostheses [PDF]

open access: yes, 2019
An experimental study is reported which investigates the wall shear stress (WSS) distribution in a transparent model of the human aorta comparing a bileaflet mechanical heart valve (BMHV) with a trileaflet mechanical heart valve (TMHV) in physiological ...
Bruecker, C., Li, Q.
core   +1 more source

Application of Particle Image Velocimetry (PIV) Method in Pipe-Soil Interaction Problems

open access: yesGeo-Congress 2023, 2023
In this study, the effect of the embedment ratio of the pipe was investigated using the PIV method. The difference in this study compared to the literature is that in the case of the surcharge load, the failure surfaces were determined experimentally depending on the burial depth of the pipe.
Bildik, Selcuk   +5 more
openaire   +1 more source

Wind Tunnel Assessment of Dynamic Induction Control Under Varying Inflow Wind Directions

open access: yesWind Energy, Volume 29, Issue 6, June 2026.
ABSTRACT Dynamic induction control (DIC), also known as pulse control, is a wake‐mixing strategy intended to improve wind farm efficiency by mitigating wake‐induced power losses. It typically employs harmonic collective blade pitching to excite wake instabilities, forming coherent pulsing structures that enhance turbulent mixing and accelerate wake ...
Manuel Alejandro Zúñiga Inestroza   +3 more
wiley   +1 more source

Treatment of biodiesel wastewater using ferric chloride and ferric sulfate [PDF]

open access: yes, 2017
The production of biodiesel through the transesterification method produces a large amount of wastewater that contains high level of chemical oxygen demand (COD) and oil and grease. In this study, coagulation was adopted to treat the biodiesel wastewater.
Abd Kadir, Aeslina   +7 more
core   +2 more sources

Computational Modeling Meets 3D Bioprinting: Emerging Synergies in Cardiovascular Disease Modeling

open access: yesAdvanced Healthcare Materials, Volume 15, Issue 17, 8 May 2026.
Emerging advances in three‐dimensional bioprinting and computational modeling are reshaping cardiovascular (CV) research by enabling more realistic, patient‐specific tissue platforms. This review surveys cutting‐edge approaches that merge biomimetic CV constructs with computational simulations to overcome the limitations of traditional models, improve ...
Tanmay Mukherjee   +7 more
wiley   +1 more source

An experimental study of particle sedimentation using ultrasonic speckle velocimetry [PDF]

open access: yes, 2010
Ultrasonic speckle velocimetry (USV) is a non-invasive technique that allows the measurement of fluid velocity in flow and also that of powders under sedimentation.
Chinaud, Maxime   +2 more
core   +3 more sources

Unique Phenomena in Different Viscosity Mixing and Suitable Operating Methods

open access: yesChemical Engineering &Technology, Volume 49, Issue 5, May 2026.
Flow visualization was used to clarify the mixing behavior of high‐ and low‐viscosity fluids in stirred vessels. Large impellers enabled relatively easy mixing, whereas certain impellers generated unusual flow patterns under zero‐gap interfacial conditions.
Yuya Shudo   +3 more
wiley   +1 more source

Particle Image Velocimetry Design & Installation [PDF]

open access: yes, 2016
This work will mainly focus on the design, construction, and installation of the Particle Image Velocimetry (PIV) system in the Chemical Hazards Research Center wind tunnel.
Ritchie, Zach
core   +2 more sources

Photodegradable Hydrogels for On‐Demand Modeling of Age‐Related Spatiotemporal ECM Deformation

open access: yesSmall, Volume 22, Issue 27, 14 May 2026.
A light‐tunable PEG hydrogel enables on‐demand, spatiotemporal modeling of drusen‐like ECM bulges in the aging outer retina. By precisely controlling bulge size, the platform reveals how retinal pigment epithelium morphology adapts to topographical changes without disrupting actin cytoskeleton or polarity, effectively mimicking early ageing before ...
Felix Reul   +8 more
wiley   +1 more source

Indoor flow datasets of two-layered cross-ventilation models by particle image velocimetry and hot wire anemometry

open access: yesData in Brief
This data article provides temporally and spatially high-resolution datasets of the indoor velocity fields for cross-ventilation models of two-layered simplified buildings separated by a second floor at the middle height with an opening using wind-tunnel
W. Wang   +3 more
doaj   +1 more source

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