Browsing Ingegneria meccanica by Author "Sergi, Vincenzo"
Now showing items 1-20 of 35
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Additive manufacturing of metal alloy for aerospace by means of Powder Laser Cladding: station tuning and clad characterization
Fierro, Ilaria (Universita degli studi di Salerno, 2016-04-04)This thesis investigates the application of continuous coaxial laser cladding by powder injection as repair and cover process. The investigation aimed to check the possibility of repairing a V-groove geometry on a substrate ... -
Advances in lubrication technology and modelling. Novel nanoscale friction modifiers - Piezoviscosity effect in EHL contacts
Petrone, Vincenzo (Universita degli studi di Salerno, 2014-06-22)Lubricant additives have an important influence on the lubrication performances. These additives are active ingredients which can be added during a blending process to base oils in order either to enhance the existing ... -
Analisi sperimentale delle prestazioni energetiche dei fluidi frigoriferi tipo “HFO” candidati alla sostituzione dell’R134a
Metallo, Antonio (Universita degli studi di Salerno, 2016-04-07)The present experimental work was born from the need to expand the knowledge on the new type of refrigerant fluids, the HFO, representing the fourth generation of fluorinated refrigerants, born in response to the directives ... -
Caratterizzazione termo-fluidodinamica ed ottimizzazione delle prestazioni di un prototipo di refrigeratore magnetico a magneti permanenti rotanti operante a temperatura ambiente
Cardillo, Gerardo (Universita degli studi di Salerno, 2016-04-11)The main purpose of the present work was the completion and the thermo-fluid dynamic characterization of a Rotary Permanent Magnet Magnetic Refrigerator operating at room temperature. The experimental device consists ... -
Controllo delle vibrazioni mediante l'uso di PAC (Programmable Automation Controller)
Nilvetti, Fabio (Universita degli studi di Salerno, 2012-07-07)Con l'espressione `Vibration Control' si intende l'insieme delle tecniche e dei dispositivi che consentono di mitigare in modo rapido, a dabile e preciso le vibrazioni di macchine o strutture, dovute al loro stesso ... -
Design and optimization of a protection device for laser weld beads of metal alloys for aerospace applications
Corrado, Gaetano (Universita degli studi di Salerno, 2013-09-09)In the present thesis an automated laser welding apparatus was designed and developed in order to perform laser , that allows to achieve laser welding in a controlled, versatile, efficient, reliable, simple, and economical ... -
Development and experimental validation of CPOx reforming dynamic model for fault detection and isolation in SOFC systems
Di Filippi, Arturo (Universita degli studi di Salerno, 2015-06-13)In the present work an investigation of the reforming technologies available for Solid Oxide Fuel Cell (SOFC) systems and their basic concepts has been carried out, with the aim to describe, test and simulate the reforming ... -
Development of a model-based diagnosis algorithm oriented towards solid oxide fuel cell systems: approach and application
Polverino, Pierpaolo (Universita degli studi di Salerno, 2014-07-07)The present dissertation illustrates the complete procedure of developing a model-based diagnosis algorithm and shows its application to a pre-commercial Solid Oxide Fuel Cell (SOFC) system. The main motivations of this ... -
Development of solid oxide fuel cell stack models for monitoring, diagnosis and control applications
Marra, Dario (Universita degli studi di Salerno, 2013-07-26)In the present thesis different SOFC stack models have been presented. The results shown were obtained in the general framework of the GENIUS project (GEneric diagNosis Instrument for SOFC systems), funded by the European ... -
Dry clutch for automated manual transmissions. Structural analysis and control strategies
Pisaturo, Mario (Universita degli studi di Salerno, 2014-06-10)The goal of this thesis is the study of the automotive push-type dry clutches used in the Automatic Manual Transmissions (AMTs) and in the Dual Clutch Transmissions (DCTs) in order to improve their performances dur- ing ... -
Dynamics, identification and control of multibody systems
Pappalardo, Carmine Maria (Universita degli studi di Salerno, 2012-06-04)The central goal of this work is to put in an unified framework Dynamics, Identification and Control of multibody systems. A multibody system is a mechanical system constituted of interconnected rigid and deformable ... -
Electrochemical Impedance Spectroscopy for the on-board diagnosis of PEMFC via on-line identification of Equivalent Circuit Model parameters
Petrone, Raffaele (Universita degli studi di Salerno, 2014-04-04)Proton Exchange Membrane, also named Polymer Electrolyte Membrane fuel cells (PEMFC) are interesting devices for energy conversion. Their development is due to the high efficiency, acceptable power density, quick start-up ... -
Energetic performance of regenerators in an active magnetic refrigerator
Tura, Armando (Universita degli studi di Salerno, 2012-07-01)A technology that has the potential to create more efficient and compact refrigeration devices is an Active Magnetic Regenerative Refrigerator (AMRR). An AMRR can operate over a broad range of temperatures, as long as ... -
Experimental and numerical characterization of heating domestic appliances for energetic efficiency improvement
Mauro, Antongiulio (Universita degli studi di Salerno, 2014-12-13)Every year 5 million of boilers for domestic heating are sold in the European Union (EU). Because heating contributes to more than 20% to the whole energy use in the EU strategies for energy saving are of great ... -
Innovative techniques for Structural Health Monitoring: a
Valiante, Rossella (Universita degli studi di Salerno, 2011-07-08)The here considered SHM procedure concerns innovative techniques for a structural monitoring of aeronautical components, all of them based upon the use of a Scanning Laser Doppler Vibrometer. The vibrometer is used to ... -
Laser welding of Ti6Al4V alloy by disk laser: analysis and optimization
Mastrocinque, Ernesto (Universita degli studi di Salerno, 2012-06-27)Titanium alloys have been successfully applied in many industrial fields because of their better performance and lighter weight than other commonly used structural materials. The conventional welding methods used for ... -
Modeling and control of advanced powertrain systems and Waste Heat Recovery technologies for the reduction of CO2 emissions in light-duty vehicles
Cricchio, Andrea (Universita degli studi di Salerno, 2016-04-01)Transportation is the major sector in the EU where greenhouse gas emissions are still rising. Therefore, in the recent years, the OEMs research and development has focused on the reduction of carbon dioxide (CO2) and ... -
Modelli di risk management nel project financing:case studies ed implicazioni per gli istituti di credito bancari
Di Stasi, Donato (Universita degli studi di Salerno, 2016-03-25)L’attività di ricerca si inserisce nell’ambito del Risk Managament, con specifico riferimento al Risk Analysis e Risk Allocation applicati alla finanza strutturata. Le attività di Risk Management, con specifico riferimento ... -
Modello dinamico di un veicolo cingolato
De Simone, Marco Claudio (Universita degli studi di Salerno, 2015-04-24)L'obiettivo della tesi e la modellazione dinamica di un veicolo cingolato o -road, e lo sviluppo di una legge di controllo che lo renda autonomo. L'obiettivo del controllo, e rendere il veicolo capace di operare in ... -
Models for design and control of a solar-hybrid vehicle with a tracking solar roof
Pisanti, Cecilia (Universita degli studi di Salerno, 2013-04-09)Our planet faces significant challenges in the twenty-first century because energy consumption is expected to double globally during the first half of this century. Faced with increasingly constrained oil supplies, ...