Browsing Ingegneria meccanica by Issue Date
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Un analisi empirica dei percorsi formativi degli studenti universitari: il caso dell‟Università degli studi di Salerno
(Universita degli studi di Salerno, 2012-07-09)Il lavoro presenta uno studio di alcuni aspetti del sistema universitario in Italia sia attraverso un’analisi normativa, evidenziando il riconoscimento di un certo grado di autonomia alle università (in particolare didattica, ... -
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 ... -
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 ... -
Innovative techniques for Structural Health Monitoring: a theoretical and experimental study
(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 ... -
Sviluppo di procedimenti di saldatura LASER e LASER arco per pannelli AFS (Aluminum Foam Sandwich)
(Universita degli studi di Salerno, 2010-06-21)La tesi presenta l’attività di ricerca condotta presso il laboratorio LASER del centro di ricerca ENEA - Trisaia (MT) per lo sviluppo di un procedimento di saldatura, ancora poco diffuso a livello industriale, che è la ... -
Future Vehicles: how to improve comfort and reduce discomfort. A comprehensive study of subjective and objective data.
(Universita degli studi di Salerno, 2022-10-18)Considering a vehicle as anything that transports a person or things (such as a car, a truck, a plane, a bus), in the near future autonomous driving vehicles, or vehicles with a high level of automation, are predicted. ... -
Applications of Artificial Neural Network models to Energetic and Propulsion Systems
(Universita degli studi di Salerno, 2023-04-05)Il presente lavoro di ricerca è incentrato sull'applicazione di modelli alle reti neurali artificiali (ANN) per il calcolo delle prestazioni, dei consumi , dell'efficienza e delle emissioni, nel caso di due diversi sistemi ... -
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 ... -
Topological quantum technologies
(Universita degli studi di Salerno, 2021-04-08)Precision measurements through engineered quantum systems are achieving new primacies in sensitivity and accuracy and therefore novel potential applications ranging from mechanical and electrical engineering to material ... -
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 ... -
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 ... -
Definizione, modellazione teorico – sperimentale ed energy management di sistemi termo – fotovoltaici a concentrazione
(Universita degli studi di Salerno, 2017-04-12)The evolution in the renewable energies field led to search for solutions that allow the combined achievement of heterogeneous energy vectors. This theme introduces multiple levels of analysis, from the definition of new ... -
Sviluppo e sperimentazione di un sistema di ibridizzazione e del relativo sistema di controllo per veicoli convenzionali
(2016-04-05)Recently, the possibility of upgrading conventional vehicles to Hybrid Electric Vehicles is gaining interest. Among the different options for hybridization, researchers are focusing on electrification of rear wheels in ... -
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 ... -
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 ... -
Analisi sperimentale delle prestazioni energetiche dei fluidi frigoriferi tipo “HFO” candidati alla sostituzione dell’R134a
(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 ... -
Unsteady and three-dimensional fluid dynamic instabilities
(Universita degli studi di Salerno, 2016-03-23)This thesis concerns with hydrodynamic stability of fluid flows. Direct numerical simulation (DNS) is used to investigate the non-linear dynamics of the flow and to obtain the basic states. We develop a new procedure (named ... -
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 ... -
Additive manufacturing of metal alloy for aerospace by means of Powder Laser Cladding: station tuning and clad characterization
(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 ...