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Rotational propulsion enabled by inertia

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SMOOTHED PARTICLE HYDRODYNAMICS APPLIED TO THE SIMULATION OF LOW REYNOLDS NUMBER FLOWS

Pierre Maruzewski

In this work we use the Smoothed Particle Hydrodynamics methodology (SPH) to simulate incompressible viscous flows of Newtonian fluids. The SPH is a meshfree Lagrangian method which simulates the flow like a set of moving fluid particles that interact one ...

ABCM2009

Micromachined electrospray thrusters for spacecraft propulsion

Renato Krpoun

Micromachining has enabled the downscaling of large, massive and power hungry systems into small batch-produced integrated devices. Recent progress in electrospray thruster technology, in particular the discovery of an ionic emission mode using the ionic l ...

EPFL2009

Plasticity and geophysical flows: A review

Christophe Ancey

The objective of this review is to examine how the concept of plasticity is used in geophysical fluid dynamics. Rapid mass movements such as snow avalanches or debris flows involve slurries of solid particles (ice, boulder, clay, etc.) within an interstiti ...

2007

Modeling Of Salt Tectonics

Alfio Quarteroni

In this work a general framework for the simulation of sedimentary basins in presence of salt structures is addressed. Sediments and evaporites are modeled as non-Newtonian fluids and the thermal effects induced by the presence of salt are taken into accou ...

2007

SWISSMETRO: Combined Propulsion with Levitation and Guidance

Christophe Espanet

Swissmetro is a MAGLEV Project between the main cities of Switzerland, designed for a speed up to 500 [km/h] in two tunnels under partial vacuum. Two propulsion variants are considered: - the short stators of the linear homopolar motors are fixed with the ...

2004

Linear fluid-structure stability analysis with transpiration. Part II: numerical analysis and applications

This paper constitutes the numerical counterpart of the mathematical framework introduced in Part I. We address the problem of flutter analysis of a coupled fluid–structure system involving an incompressible Newtonian fluid and a reduced structure. We use ...

2003