Results 251 to 260 of about 122,095 (310)

Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects

Advanced Engineering Materials, EarlyView.
This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula, Gökhan Küçüktürk, Duran Kaya, David Grossin, Christophe Tenailleau, Benjamin Duployer, Enrique Juste, Fabrice Petit   +7 more
wiley   +1 more source

Kinematics and muscle activity of pectoral fins in rainbow trout (Oncorhynchus mykiss) station holding in turbulent flow.

J Exp Biol
Gibbs BJ, Akanyeti O, Liao JC.
europepmc   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

Advanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera, Philippe Marrec, A. Jorge Parola, Madalena Dionísio, Hugo Águas, Andreia F. M. Santos, Hamed Pourkheirollah, Donald Lupo, César A. T. Laia   +8 more
wiley   +1 more source

Consumed by Abdominal Distention

Arthritis Care &Research, EarlyView.
Abimbola Fadairo‐Azinge, James Grenert, Brian Haas, Mary Margaretten   +3 more
wiley   +1 more source

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Controllability of flow turbulence

Physical Review E, 2004
In this paper, we study the controllability of real-world flow turbulence governed by the two-dimensional Navier-Stokes equations, using strategies developed in chaos control. A case of control/synchronization of turbulent dynamics is observed when only one component of the velocity field vector is unidirectionally coupled to a target state, while the ...
Guan, S., Wei, G.W., Lai, C.-H.
openaire   +2 more sources

Turbulence in pulsatile flows

Annals of Biomedical Engineering, 1984
Turbulence during pulsatile flow has been suggested as a possible mechanism to enhance the transport of gases during high-frequency ventilation. Experimental studies on oscillatory flow in straight, circular tubes have identified three types of flow: (a) laminar; (b) conditionally turbulent, in which high-frequency disturbances occur during the ...
D C, Winter, R M, Nerem
openaire   +2 more sources

Visualizing Turbulent Flow

IEEE Visualization 2004, 2005
Introduction The images shown in Figure 1 display a single time step of a turbulent flow simulation computed by Dr. Thomas J. R. Hughes, Professor of Aerospace Engineering, and Victor Calo at The University of Texas at Austin. This research examines how a fluid running over a flat plate suddenly becomes turbulent.
Gregory P. Johnson, Kelly P. Gaither, Victor M. Calo   +2 more
openaire   +1 more source

Microcirculations in turbulent flows

Physical Review E, 1995
Velocity circulations over infinitesimal fluid contours (microcirculations) are considered. A statistical evolution of microcirculations is studied (in particular, initial tendencies) with various initial orientations of fluid contours relative to the vorticity field.
openaire   +2 more sources

Measurements of Turbulent Flows

2007
Fluid flows in nature and technology normally depart from laminarity and are turbulent in the majority of cases, including flows around bodies such as airplanes, vehicles, ships, and in internal flows such as in ducts, turbomachines, propulsors, and even in blood circulation in the human body. Laminarity is the anomaly and not the standard.
Romano G., Ouellette N., Xu H., Bodenschatz E., Steinberg V., Meneveau C., Katz J.   +6 more
openaire   +2 more sources

The Onset of Turbulence in Pipe Flow

Science, 2011
The lifetimes of injected jet puffs are used to determine the critical point at which turbulent pipe flow is sustained.
Avila, K., Moxey, D., De Lozar, A., Avila, M., Barkley, D., Hof, B.   +5 more
openaire   +3 more sources