Browsing Ingegneria meccanica by Title
Now showing items 13-32 of 43
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Electrochemical Impedance Spectroscopy for the on-board diagnosis of PEMFC via on-line identification of Equivalent Circuit Model parameters
(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
(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
(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 procedure for measurement uncertainty evaluation of environmental noise accounting for sound pressure variability
(Universita degli studi di Salerno, 2017-04-12)This study aims to demonstrate the importance of uncertainty evaluation in the measurement of environmental noise in the context of Italian legislation on noise pollution. Attention is focused on the variability of the ... -
Innovative techniques for Structural Health Monitoring: a
(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
(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 ... -
Magnetic refrigeration: an attraction toward our future
(Universita degli studi di Salerno, 2017-04-06)Magnetic refrigeration is an innovative, promising and ecologic technology, which aims to substitute the conventional vapor-compression refrigeration by the employment of solid materials as refrigerants instead of the ... -
Metodi fisico matematici avanzati per l’implementazione di modelli previsionali applicabili a fenomeni acustici e di interesse ingegneristico
(Universita degli studi di Salerno, 2017-04-12)In several engineering fields, it is of great interest the development of models able to produce forecasts of univariate time series; these models are based on the statistical analysis of the sequence of observed data ... -
Modeling and control of advanced powertrain systems and Waste Heat Recovery technologies for the reduction of CO2 emissions in light-duty vehicles
(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
(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
(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
(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, ... -
Molecular pathways involved in metabolic control of CCL5 in adipocytes
(Universita degli studi di Salerno, 2014-03-21)Obesity is a chronic disorder characterized by a tonic low-grade activation of the innate immune system that affects steady-state measures of metabolic homeostasis over time. In addition, obesity is often accompanied ... -
Multiphysic modeling and numerical simulation of injection pultrusion processes: impregnation flow, heat-transfer and stress-strain analysis
(Universita degli studi di Salerno, 2020-06-19)The present thesis focuses on the study and the modeling of the behaviors occurring in injection pultrusion processes to produce fiber reinforced thermoset polymers. The high market appeal of pultruded profiles and the ... -
Optimal tuning of control variables in CR Diesel engines via Multi-Zone modelling of combustion and emissions with experimental testing
(Universita degli studi di Salerno, 2016-03-30)The interest in Diesel engines for automotive application has dramatically grown in the last decades, due to the benefits gained with the introduction of Common Rail system and electronic control. A strong increase in fuel ... -
Optimization of SI and CI engine control strategies via integrated simulation of combustion and turbocharging
(Universita degli studi di Salerno, 2013-04-08)Combustion engines have been for a long time the most important prime mover for transportation globally. A combustion engine is simple in its nature; a mix of fuel and air is combusted, and work is produced in the operating ... -
Receptivity in transition prediction
(Universita degli studi di Salerno, 2014-09-12)The laminar-turbulent transition is a complex phenomenon involved in several multidisciplinary design issues, such as skin friction drag reduction, anti-icing and de-icing system performance prediction and heat transfer ... -
Simulation of supply chains dynamics using fluid-dynamic models
(Universita degli studi di Salerno, 2013-05-07)The aim of thesis is to present some macroscopic models for supply chains and networks able to reproduce the goods dynamics, successively to show, via simulations, some phenomena appearing in planning and managing such ... -
Sperimentazione e controllo di un veicolo ibrido solare con tetto orientabile
(Universita degli studi di Salerno, 2013-04-09)Da alcuni anni la questione energetico - ambientale è ormai diventata di dominio pubblico, perdendone magari dal punto di vista scientifico, ma diventando in grado di condizionare i comportamenti di una parte sempre ... -
Stabilità di flussi in cavità aperte
(Universita degli studi di Salerno, 2014-09-12)Negli ultimi venti anni il costo dei carburanti ha subito un notevole aumento con un significativo impatto sui costi del trasporto aeronautico. Inoltre, la Comunità Europea ha lanciato una politica di salvaguardia dell’ambiente ...
