Results 251 to 260 of about 4,739,711 (293)
On the mathematical fluid dynamics of the atmospheric Walker circulation
Monatshefte Fur Mathematik, 2022 AbstractStarting from the general, governing equations for a viscous, compressible fluid, with an associated description of its thermodynamics, we outline an asymptotic derivation based on the thin-shell approximation. [The details appear in another publication.] This produces a reduced system of equations which retain all the dynamics and ...
Robin Johnson
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Computational Fluid Dynamics for Brain Circulation and Aneurysm with Therapeutic Devices [PDF]
Interventional Neuroradiology, 2004 We analysed fluid dynamics at brain arteries having multiple inflow and out flow like Willis ring based on clinical imaging modalities. In addition, we analysed fluid dynamics with therapeutic devices like coils and stents to simulate their influences to blood flow.
M Negoro, K Fukasaku, R Himeno
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Vortex dynamics of veno-arterial extracorporeal circulation: A computational fluid dynamics study
Physics of Fluids, 2021Veno-arterial extra corporeal membrane oxygenation (VA-ECMO) is a modified heart lung machine used for patients with both heart and lung failure. This results in retrograde supply of oxygenated blood through the femoral artery in which the unsteady pulsating antegrade flow from the aorta interacts with a steady, uniform, and retrograde flow from the ...
Ashwin Seetharaman +2 more
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Fluid dynamics of circulating fluidized beds
1997A circulating fluidized bed (CFB) is a special case of vertical gas/solid flows. The characteristic feature of these flows is that the gas flows in the opposite direction to gravity. Depending on the choice of particles, the gaseous medium and the adjusted superficial gas velocity, different types of gas/solid flow are obtained (Fig. 13.1). Because the
O. Molerus, K.-E. Wirth
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Dynamics of Cerebrospinal Fluid Circulation Evaluated by Metrizamide CT Cisternography
Journal of Computer Assisted Tomography, 1979Cerebrospinal fluid (CSF) circulation has been analyzed by metrizamide computed tomography (CT) cisternography in 46 patients. Included were 7 patients without any clinical evidence of impaired CSF circulation, and 39 with hydrocephalus due to various causes.
N, Tamaki +4 more
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A circulation model for teaching fluid dynamics in laboratory courses in physiology
Medical Education, 1987Summary. Medical students in Germany do not usually have a strong enough basis in physics to understand the mechanical and fluid dynamic problems involved in the physiology of the circulation. To alleviate this situation we developed a circulation model for use in laboratory courses in physiology.
T M, Fischer, H, Schmid-Schönbein
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Blood circulation and fluid dynamics in the eye
Physiological Reviews, 1975The nutrition of the intraocular tissues is accomplished by the retinal vessels, the uveal vessels, and by the aqueous humor. Both morphologically and physiologically the retinal vessels are similar to those in the brain. The endothelial cells of the capillaries are attached to each other by tight junctions, the resistance vessels respond poorly to a ...
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Fluid Dynamics of a Partially Collapsible Stenosis in a Flow Model of the Coronary Circulation
Journal of Biomechanical Engineering, 1996The influence of passive vasomotion on the pressure drop-flow (ΔP-Q) characteristics of a partially compliant stenosis was studied in an in vitro model of the coronary circulation. Twelve stenosis models of different severities (50 to 90 percent area reduction) and degrees of flexible wall (0 to 1/2 of the wall circumference) were inserted into thin ...
Siebes, M. +2 more
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Ocean circulation in a rotating tank: An outreach project in fluid dynamics
2014 ASEE Zone 1 Conference Proceedings, 2014This work presents outreach curriculum designed to expose high school students to research intensive fields such ocean modeling (or traditional fluid dynamics). The curriculum is for a five day learning experience and research project that presents the different ways to study fluid dynamics: theory, observations, experiments, and computations ...
Shanon M. Reckinger +2 more
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Study on dynamics modeling and simulation of cerebrospinal fluid circulation
The 2nd International Conference on Information Science and Engineering, 2010Intracranial pressure (ICP) monitoring is important for patients with high intracranial pressure, but so far the clinical monitoring of intracranial pressure are almost invasive, so they are extremely limited. Cerebrospinal fluid (CSF) circulation is the basis for intracranial pressure and hydrocephalus is one of the major reasons for high intracranial
Chao-Yi Wang, Ying Ju, Xiao-Yi Li
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