3,685 research outputs found
Optical, Electrical And Structural Properties Of Hydrogenated Amorphous Si-C Alloys Deposited By Different Hydrocarbon Gas Mixtures
No full textIl contributo di Sergio Torsello alla renaissance salentina del primo quindicennio del 2000
No full textQuesto contributo mira a descrivere le tre “anime” di Sergio Torsello – Direttore Artistico del Festival La Notte della Taranta, Consulente Scientifico dell’Istituto Diego Carpitella, e Mediatore Culturale tra e per i talenti artistici del suo territorio. Il punto di partenza della narrazione è un articolo di Sergio Torsello, pubblicato nel 2011 in un volume di cui l’autore della narrazione è stato curatore. L’autore sottolinea la stretta connessione tra le tre anime di Sergio Torsello, che emerge non solo dal suo articolo del 2011 ma anche dalle numerose interazioni avvenute tra Sergio Torsello e l’autore. La descrizione del rilievo scientifico della figura di Sergio Torsello è sicuramente parziale, circoscritta nel tempo (gli 8 anni, dal 2007 al 2015 in cui ha interagito con l’autore) e nello spazio (inteso come insieme di argomenti delle loro conversazioni scientifiche e culturali). Ma rende merito del cruciale contributo di Sergio Torsello alla renaissance culturale salentina degli anni dal 2001 al 2015.This contribution aims to describe the three “souls” of Sergio Torsello – Artistic Director of “La Notte della Taranta” Festival, Scientific Consultant of “Diego Carpitella” Institute, and Cultural Mediator
between and for the artistic talents of his territory. The starting point of the description is an article by Sergio Torsello, published in 2011 in a book of which the author of the description was the editor. The author highlights the close connection between the three souls of Sergio Torsello, which emerges not only from the above-mentioned article, but also from the numerous interactions between Sergio Torsello and the author. The description of the scientific significance of Sergio Torsello’s figure is certainly partial, limited in time (the 8 years, from 2007 to 2015, in which he interacted with the author) and in space (in terms of set of topics of their scientific and cultural conversations). But it gives merit to Sergio Torsello’s key contribution to the cultural renaissance of Salento in the years from 2001 to 2015
A Dynamic Model For The Energy Managment Of Buildings
No full textThe presented mathematical model needs, as input data, only the geometrical-physical properties of the building in a very aggregated form and the daily values of the climatic variables. The model is designed to obtain an accuracy of 95%. For this reason, the building is considered as an accumulation of many blocks. To obtain a short computational time, each block is simulated in the simplest way compatible with the target precision. The model is able to solve many problems in energy management
COMPARISON BETWEEN POWER AND ENERGY METHODS OF ANALYSES OF PHOTOVOLTAIC PLANTS
No full textDifferent methods of evaluating the performance of photovoltaic systems have been used to date; the main differences are in the details used in the system component descriptions and the temporal step used for the energy balance. In this paper, an approximate energy analysis model and a more complex power analysis model are analyzed and compared. By simulating the performance of several completely different photovoltaic systems, we show that the results become nearly coincident for increasing values of a parameter proportional to the storage capacity. Therefore, this parameter must be considered to decide a priori the reliability of the approximate energy analysis
Optimized Structure of A 3-level Photovoltaic Subarray To Prevent Damage Due To Failed Cells
No full textA computer program is used to simulate the behaviour of a photovoltaic field in the presence of shadowed or failed cells. A series-parallel-series structure with shunt diodes, i.e. a module of a field, has been simulated for a wide range of parameter values. A plot of the field power loss against the parameter values allows the optimal set of parameter values to be chosen; they define the optimized structure of the field module in the sense that the minimum power loss is obtained for a given percentage of failed cells
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