3,614 research outputs found
Carlo Prati. Urbild Architecture. Holmodel antenna hybrid.
No full text"URBILD ARCHITECTURE. Holmodel Antenna Hybrid" è il primo di una serie di contributi realizzati su invito di Alessandro Melis curatore del Padiglione Italia alla Biennale di Architettura di Venezia 2021 nell'ambito del progetto Comunità Resilienti.
A imagem de Alessandro Baricco no Brasil
Full text linkDissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Comunicação e Expressão, Programa de Pós-Graduação em Estudos da Tradução, Florianópolis, 2013.Com a intenção de delinear o modo pelo qual o escritor italiano Alessandro Baricco se inseriu no sistema literário brasileiro e os caminhos percorridos pelos seus livros traduzidos, esta dissertação dá voz às experiências tradutórias de seus tradutores. A inserção de Bariccono Brasil tem seu início em 1997, através de uma proposição da Profa. Dra. Roberta Barni à editora Iluminuras da tradução de Oceano Mare. A partir daí, outras sete obras foram publicadas no Brasil, sendo três delas traduzidas por Roberta Barni e as outras quatro por quatro tradutores diferentes. De um lado, considera-se o tradutor como figura principal namediação entre culturas, e, de outro, se analisa a realidade desta figuradentro do sistema literário, sua invisibilidade, seus limites e o exercíciode sua profissão. A pesquisa conta, ainda, com críticas e resenhas referentes ao autor italiano publicadas em jornais consagrados no Brasil, considerando estas como parte constituinte da imagem de Baricco refletida em território nacional. Abstract : Intending to delineate the way the Italian writer Alessandro Baricco has been inserted in the Brazilian literary system and the paths his translated books have followed, this thesis gives voice to the translating experiences of his translators. Baricco's insertion in Brazil began in 1997, through a personal project of Dr. Roberta Barni, with her translation of Oceano Mare. Since then, seven other of his works have been published in Brazil, three of which were translated by Roberta Barni and the other four by four different translators. On the one hand,the translator is considered as the main figure in mediation betweencultures and, on the other, this figure's reality is analyzed within theliterary system: its invisibility, its limits and its professional practice. Criticisms and reviews of this Italian author published in well established Brazilian newspapers are also considered, with the understanding that they are part of Baricco's image reflected here
La critica italiana e le culture del progetto (1945-1960): strumenti, temi, attori
No full textIl seminario - a cura di Andrea Borsari, Elena Formia, Giovanni Leoni con Matteo Cassani Simonetti e Matteo Sintini – conclude un’attività condotta con gli studenti del Dottorato di Ricerca in Architettura e dedicata a proporre una riflessione sugli strumenti e le figure della critica elaborati dalla cultura italiana del progetto tra il 1945 e il 1960. L'attività è stata svolta nell'ambito della ricerca Mapping.Crit.Arch.: Architectural criticism XXth and XXIth centuries, a cartography finanziata dall'Agence Nationale de la Recherche (Francia) e in vista del Second International Workshop a Bologna (4-5 ottobre 2016), alla cui organizzazione il Dottorato in Architettura contribuisce (mac.hypotheses.org). Mostra e presentazione finale dei lavori degli studenti del Dottorato di Ricerca in Architettura dedicati all’analisi di progetti editoriali italiani inerenti la critica del design e dell’architettura (in collaborazione con Daniele Baratta, Ugo Cornia, Giulia Favaretto, Riccardo Foschi, Elisabetta Caterina Giovannini, Gioia Laura Iannilli, Stefano Politi, Davide Prati, Angela Santangelo, Alessandro Tognon)
Effect of shaft roughness on axial and radial seals at varying pressure and velocity
Full text linkRadial and axial lip seals are used in a wide range of industrial applications involving rotating and reciprocating shaft as a way to retain lubricants, most often oil. Additionally, they provide a secure barrier against the access of external contaminating substances such as pollutants, powders, and gases.
Predominant contemporary lip seals are made with mixtures of polymers, such as nitrile-butadiene (NBR), fluoroelastomer, silicone or polytetrafluoroethylene, frequently mixed with fillers, curing agents, pigments and antioxidants, depending on the field of application.
The sealing mechanism is based on the contact between a thin portion of the lip surface and the shaft, where a mixed lubrication regime is created depending on different operating conditions; as put forward by various authors, a relevant aspect is the fact that the presence of micro asperities on the surface of the lip and on the surface of the steel shaft can promote the development of an elasto-hydro-dynamic lubrication regime, where pressure peaks and cavitation areas are spread in many microscopic spots along the circumferential contact area.
This motivates our experimental study on the effect of shaft roughness on lip seals, in both cases of radial seals and axial seals, representing the two different types of relative motion between the surfaces.
We designed and assembled two test beds, one for axial seals and another for radial seals. Both test beds are equipped with sensors and digital control systems.
Experimental results show that the effect of roughness on the resisting force in axial seals is non-linear: increasing roughness initially gives a moderate improvement on friction, but excessive roughness gives high friction (and wear). The intermediate roughness value (Ra=1.19 μm) gave the lowest friction, at all sliding speeds
A numerical method based on the Spectral Projected Gradient for mechanisms with clearances and unilateral constraints
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Analisi quantitativa di sperimentazioni su anelli radiali: caratteristiche del distacco al variare dei polimeri
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