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Merchandising in miniera. Design per l'identità e promozione dell'Ecomuseo delle Miniere e della Val Germanasca
No full textNell'ambito del progetto per la valorizzazione dei beni ambientali territoriali, l'azione del design si sviluppa a diverse scale e livelli: dal design del prodotto a quello della comunicazione, fino a quello del servizio e strategico, si adopera per favorire processi di comprensione di luoghi e identità locali, miglioramento della fruizione, rafforzamento dell'identità fisica e simbolica del contesto e sua comunicazione. In tale ambito si inserisce la collaborazione tra il Laboratorio di Concept Design del Corso di Laurea in Design e Comunicazione Visiva, Politecnico di Torino e l'Ecomuseo delle Miniere e della Val Germanasca (Prali, TO), dedicata allo sviluppo di un'attività di ricerca e didattica con l'obiettivo di dare vita a una linea di proposte di merchandising dedicata all'Ecomuseo in occasione del prossimo ventennale del complesso
Searches for transverse momentum dependent flow vector fluctuations in Pb-Pb and p-Pb collisions at the LHC
No full textThe measurement of azimuthal correlations of charged particles is presented for Pb{Pb collisions at p s NN = 2.76 TeV and p{Pb collisions at p s NN = 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. These correlations are measured for the second, third and fourth order ow vector in the pseudorapidity region j j < 0 : 8 as a function of centrality and transverse momentum p T using two observables, to search for evidence of p T -dependent ow vector uctuations. For Pb{Pb collisions at 2.76 TeV, the measurements indicate that p T -dependent uctuations are only present for the second order ow vector. Similar results have been found for p{Pb collisions at 5.02 TeV. These measurements are compared to hydrodynamic model calculations with event-by-event ge- ometry uctuations in the initial state to constrain the initial conditions and transport properties of the matter created in Pb{Pb and p{Pb collisions
Determination of the event collision time with the ALICE detector at the LHC
No full textParticle identification is an important feature of the ALICE detector at the LHC. In particular, for particle identification via the time-of-flight technique, the precise determination of the event collision time represents an important ingredient of the quality of the measurement. In this paper, the different methods used for such a measurement in ALICE by means of the T0 and the TOF detectors are reviewed. Efficiencies, resolution and the improvement of the particle identification separation power of the methods used are presented for the different LHC colliding systems (pp, p-Pb and Pb-Pb) during the first period of data taking of LHC (Run 1)
Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at sNN=5.02A TeV
No full textWe present the charged-particle pseudorapidity density in Pb-Pb collisions at root s(NN) = 5.02 TeV in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from -3.5 to 5, which is sufficient for reliable estimates of the total number of charged particles produced in the collisions. For the most central (0-5%) collisions we find 21 400 +/- 1 300, while for the most peripheral (80-90%) we find 230 +/- 38. This corresponds to an increase of (27 +/- 4)% over the results at root s(NN) = 2.76 TeV previously reported by ALICE. The energy dependence of the total number of charged particles produced in heavy-ion collisions is found to obey a modified power-law like behaviour. The charged-particle pseudorapidity density of the most central collisions is compared to model calculations-none of which fully describes the measured distribution. We also present an estimate of the rapidity density of charged particles. The width of that distribution is found to exhibit a remarkable proportionality to the beam rapidity, independent of the collision energy from the top SPS to LHC energies. (C) 2017 The Author(s). Published by Elsevier B.V
Assessment of resource efficiency in a life cycle perspective: the case of reuse
No full textThis work discusses how a life cycle based approach can be tailored for the assessment of resource efficiency of products, with a specific focus on reuse. A new method is introduced and illustrated on a washing machine case-study. While case-study results prove the environmental benefits of reusing the product, the study also highlights the limits of the LCA approach, as it lacks of robust and widely intelligible impact assessment categories, able to properly capture resource efficiency in a life cycle perspective. The article also provides suggestions for the enhancement of the resource efficiency assessment, as: development of new methods based on the life cycle approach; development of new life cycle impact assessment categories focused on resources; use of detailed inventory flows for specific materials in place of non-robust life cycle impact categories; integration of LCA with other methods (as material flow analysis)
The Zenith Passage of the Sun and the Architectures of the Tropical Zone
No full textIn ancient cultures all over the world, summer and winter solstices and equinoxes had a great importance. These astronomical events had been widely considered in the planning of monuments and other architectures. But in the zone of the Earth delimited by the Tropics of Cancer and Capricorn, we can see another relevant event, the zenith passage of the sun. In this paper we will show that several examples are existing too, of the role of this astronomic event in the architectures of tropical zone. To evidence this role, we will use a software developed for the best solar energy management, which is showing azimuth and altitude of the sun on satellite maps
Il Sole, la Luna e la Chiesa di Santa Maria di Vezzolano
No full textIn this article (in Italian) we discuss a possible solar orientation of the Church of Santa Maria di Vezzolano, known as the Vezzolano Abbey. We consider also an astronomical orientation along the northernmost moonrise on a lunar standstill, proposed by recent archaeoastronomical works. / L'articolo propone una discussione su una possibile orientazione solare della chiesa di Santa Maria di Vezzolano, detta anche Abbazia di Vezzolano. Si discute poi l'orientazione astronomica con la direzione più settentrionale di levata della luna al lunistizio maggiore. Questa orientazione è stata proposta da recenti lavori di archeoastronomia
HEAT TREATMENT FOR ALUMINUM ALLOYS: WHEN, WHY AND HOW
No full textAluminum alloys can reach high properties and performances after heat treatment. The precipitation strengthening mechanism is described in this paper and a general view of the whole process is given in order to transmit the importance of this operation in everyday technology. This review reports different types of heat treatments that can be performed on such alloys. Attention was given on how chemical composition can influence the final characteristics of the treated material. To provide a comprehensive view of each treatment, advantages and disadvantages will be underlined, with a final focus on special treatments, which are more suitable for specific situations
Il patrimonio culturale oggi Baelo Claudia: la rinascita del passato. Approccio per una digitalizzazione del patrimonio culturale. Baelo Claudia: the rebirth of the past. Approach for a digitalization of cultural heritage
No full textThe article aims to focus on the most up-to-date techniques for the metric acquisition of 3D models of buildings and their subsequent reworking in the BIM environment. A procedure will be proposed for the digitalization of the entire collection of the new museum created by architect Guillermo Vázquez Consuegra using the techniques structure from motion (SFM), open source and low cost solutions. In particular, the SFM Photoscan and Phython Photogrammetry Toolbox programs will be used, comparing the advantages and disadvantages between the two techniques, for the processing of point clouds that will then be imported into the BIM environment and modeled for the 3D reconstruction of museum objects