An electric network for evaluating monitoring strategies intended for hydraullic pressurized networks
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At low flow rate operation, Francis turbines feature a cavitating vortex rope in the draft tube resulting from the swirling flow of the runner outlet. The unsteady pressure field related to the precession of the vortex rope induces plane wave propagating i ...
Since many years the EPFL Laboratory of Electrical Machines develops SIMSEN, a numerical software package for the simulation of electrical power systems and adjustable speed drives, in transient and steady-state conditions, having an arbitrary topology. SI ...
Mechanics of porous media is the study of porous materials whose mechanical behaviour is significantly influenced by the pore fluid. This handout is devoted to the theory of deformation, strength, flow and multiphase coupling in porous media. The mechanics ...
Electrical resistance in carbon-fiber reinforced polymers has been shown experimentally to be a sensitive measure of internal damage. To quantify the dependence of electrical resistance on mechanical fiber damage at the micromechanical level, a numerical e ...
The electrical resistance change of CFRP composite under mechanical loading condition can be used as an effective parameter to evaluate the accumulated internal damage. The internal electrically conductive network, which is constructed by the contacts betw ...
The safety of utilisation is one of the chief current preoccupations. The user must be able to know what impact the failure of one ore more network elements will have on the continuity of supply, as well as the countermeasures to be taken against degradati ...
Recent advances in the application of nontraditional methods and procedures for offline diagnosis and online monitoring of new and service-aged power transformers are discussed. Advanced offline methods are based on the main operational stresses (electrica ...