Concept

Hemorheology

Related publications (258)

Active axial stress in mouse aorta

Nikolaos Stergiopoulos, Aristotelis Agianniotis, Alexander Rachev

The study verifies the development of active axial stress in the wall of mouse aorta over a range of physiological loads when the smooth muscle cells are stimulated to contract. The results obtained show that the active axial stress is virtually independen ...

Elsevier2012

Dam Break of Newtonian Fluids and Granular Suspensions

Nicolas Andreini

The objective of this thesis was to increase our understanding of two-phase geophysical flows (e.g. debris flows) by providing velocity profiles in idealized laboratory avalanches. To that end, we developed a new experimental platform made up of an incline ...

EPFL2012

Analytical method to predict two-phase flow pattern in horizontal micro-capillaries

Albert Renken, Lioubov Kiwi, Madhvanand Namadeo Kashid

An a priori prediction of multiphase flow pattern in micro-capillaries or microstructured reactors (MSR) is required for their rational design. The state-of-the-art numerical models require huge computational efforts. In the present work, an analytical mod ...

2012

Apparatus and methods for treating excess intraocular fluid

Nikolaos Stergiopoulos, Stéphane Bigler

An ocular drainage system is provided for treating diseases that produce elevated intraocular pressures, such as glaucoma, wherein the system includes an implantable device and an external control unit. The implantable device includes a non-invasively adju ...

2012

The Life and Death of the Air Film Beneath an Impacting Drop

John Martin Kolinski

Droplet impact is ubiquitous in our everyday experience; yet many mysteries associated with the phenomenon remain, including the role played by air during the impact process. When a liquid meets a solid surface in an atmosphere, it must drain the air benea ...

2012

Optical trapping microrheology in cultured human cells

László Forró, Sylvia Jeney, Elena Bertseva

We present the microrheological study of the two close human epithelial cell lines: non-cancerous HCV29 and cancerous T24. The optical tweezers tracking was applied to extract the several seconds long trajectories of endogenous lipid granules at time step ...

Springer-Verlag2012

Simulation of Time-Dependent Viscoelastic Fluid Flows by Spectral Elements

Azadeh Jafari

The research work reported in this dissertation is aimed to develop efficient and stable numerical schemes in order to obtain accurate numerical solution for viscoelastic fluid flows within the spectral element context. The present research consists in the ...

EPFL2011

Brownian motion in a Maxwell fluid

Sylvia Jeney, Matthias Grimm

The equilibrium dynamics of a spherical particle immersed in a complex Maxwell fluid is analyzed in terms of velocity autocorrelation function (VACF), mean-square displacement (MSD), and power spectral density (PSD). We elucidate the role of hydrodynamic m ...

Royal Society of Chemistry2011

Contactless rotational concentric microviscometer

Peter Ryser, Eric Meurville, Sigfrid Straessler, Emeric Grandjean

We investigated the feasibility of a concentric rotational microviscometer which is actuated remotely. This type of sensor might find application in vivo as a passive implant. The heart of the sensor is a cylindrical rotor, actuated from a distance of up t ...

2011

Fluid Structure Interaction Simulations of Physiological Blood Flow in the Aorta

Alfio Quarteroni, Nikolaos Stergiopoulos, Simone Deparis, Philippe Reymond, Paolo Crosetto, Dimitrios Kontaxakis

The numerical tools to simulate blood flow in the cardiovascular system are constantly developing due to the great clinical interest and to scientific advances in mathematical models and computational power. The present work aims to address and validate ne ...

Elsevier2011

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