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Publications associées (26)

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Unsteady Aerodynamics of Low-Pressure Steam Turbines Operating Under Low Volume Flow

Peter Ott, Ivan William McBean, Benjamin Megerle

Non-synchronous excitation under low volume operation is a major risk to the mechanical integrity of last stage moving blades (LSMBs) in low-pressure (LP) steam turbines. These vibrations are often induced by a rotating aerodynamic instability similar to r ...

2013

Two-phase flow patterns in U-bends and their contiguous straight tubes for different orientations, tube and bend diameters

John Richard Thome, Ricardo Lima

In two-phase systems there are many singularities in piping systems, one of which in particular are U-bends (also called 180 degrees return bends or U-tubes) found very often in air conditioning coils, refrigerant systems, etc. Contrary to the literature c ...

Elsevier2012

Novel concepts of compressed air energy storage and thermo-electric energy storage

Young Min Kim

The interest in energy storage is currently increasing, especially from the perspectives of matching intermittent sources of renewable energy with customer demand and storing excess nuclear or thermal power during the daily cycle. Technologies to be consid ...

EPFL2012

Potential and Evolution of Compressed Air Energy Storage: Energy and Exergy Analyses

Daniel Favrat

Energy storage systems are increasingly gaining importance with regard to their role in achieving load levelling, especially for matching intermittent sources of renewable energy with customer demand, as well as for storing excess nuclear or thermal power ...

MDPI AG2012

Effects of thermal loading history on structural adhesive modulus across glass transition

Thomas Keller, Yu Bai

Dynamic Mechanical Analysis was conducted on a polyurethane adhesive at different constant heating rates up to 100°C, covering the glass transition range. Different storage modulus degradation curves were obtained from different heating rates. The differen ...

Elsevier2011

Physics design of a saddle coil system for TCV

Yves Martin, Jean-Marc Moret, Jonathan Rossel

The upgrade project for TCV (Tokamak à Configuration Variable) includes the installation of a set of saddle coils, namely the saddle coil system (SCS), located and powered such as to create a helical magnetic perturbation. Using independent power supplies, ...

Elsevier2011