University Telematica e Campus

Novedrate, Italy

University Telematica e Campus

Novedrate, Italy
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Arteconi A.,University Telematica e Campus | Spitoni M.,Marche Polytechnic University | Polonara F.,Marche Polytechnic University
Refrigeration Science and Technology | Year: 2015

Biogas recovery is a very important issue nowadays both for the greater and greater interest in renewable energy resources and for the increasing problem of greenhouse gas reduction into atmosphere. In Italy, thanks to the new incentives scheme on biomethane, an interesting application for biogas deals with the separation and liquefaction of methane in order to produce an alternative vehicle fuel (LBG). The choice of the liquefaction technology has a big impact on the economics of such projects. The purpose of this paper is to present the feasibility analysis of a small scale biomethane plant taking into account investment costs, achievable energy efficiency and incentives available on the Italian market. It was assessed that an incentive higher than 0.35 ∈·Nm-3 of biomethane is necessary in order to make the project feasible.

Spitoni M.,Marche Polytechnic University | Xiong X.,Shanghai JiaoTong University | Arteconi A.,University Telematica e Campus | Bartolini C.M.,Strategie Srl | And 2 more authors.
Refrigeration Science and Technology | Year: 2016

Transport sector represents one of the main responsible for greenhouse gas (GHG) emissions and natural gas (NG) could efficiently reduce them, especially in its liquid form (LNG) suitable for heavy-duty vehicles. Nevertheless, in certain regions, LNG is difficult to supply and biogas is actually used as feedstock gas. However, due to its high CO2 content, biogas needs to be purified. At present, several upgrading technologies are existing but since the final scope is the LNG production, cryogenic upgrading technology looks very promising. However, this technology is still in a developing phase. This study proposes a cryogenic upgrading process in which CO2 is removed and biomethane is liquefied (LBG) at the same time. Moreover, specific energy consumption is optimized by means of HYSYS simulation and a rough economical analysis is also performed to evaluate its attractiveness. As a result, cryogenic upgrading technology represents an interesting option for LBG production. © 2016, International Institute of Refrigeration. All rights reserved.

Melone L.,Polytechnic of Milan | Melone L.,University Telematica e Campus | Bonafede S.,Polytechnic of Milan | Tushi D.,Polytechnic of Milan | And 2 more authors.
RSC Advances | Year: 2015

The cross-linking, via amide bond formation, of TEMPO-oxidized cellulose nanofibers with branched-polyethyleneimine functionalized with pNO2-phenyl urea units generates a novel polymeric conjugate material, with a sponge-like morphology, which can be successfully used for the heterogeneous sensing of fluoride anions in DMSO solution. © The Royal Society of Chemistry.

Melone L.,Polytechnic of Milan | Melone L.,University Telematica e Campus | Petroselli M.,Polytechnic of Milan | Pastori N.,Polytechnic of Milan | Punta C.,Polytechnic of Milan
Molecules | Year: 2015

N-hydroxyphthalimide (NHPI) is an organocatalyst for free-radical processes able to promote the aerobic oxidation of a wide range of organic substrates. In particular, NHPI can catalyze the hydroperoxidation of polyunsaturated fatty acids (PUFA). This property could be of interest for biological applications. This work reports the synthesis of two β-cyclodextrin derivatives (CD5 and CD6) having a different degree of methylation and bearing a NHPI moiety. These compounds, having different solubility in water, have been successfully tested for the hydroperoxidation of methyl linoleate, chosen as the PUFA model molecule.

Agency: European Commission | Branch: H2020 | Program: RIA | Phase: EE-04-2016-2017 | Award Amount: 4.00M | Year: 2016

Rapid expansion of utilisation of solar thermal energy for increasing energy efficiency of buildings have been adopted in short/medium- and long-term Energy Strategies of EU countries in line with regional actions with the European climate energy objectives as defined in the European Unions 20-20-20 targets and in the European Commissions Energy Roadmap 2050. The overall objective of this project is to develop an innovative high performance and cost effective 2-kWel/18-kWth solar heat and power system for application in individual dwellings and small business residential buildings for on-site electricity and heat generation using solar thermal energy at temperature levels of 250-280 deg.C. The proposed technology will be laboratory validated and undergo filed tests on a demonstration site. The project will utilise the expertise of the consortium members in the development of small Organic Rankine Cycle plants, linear Fresnel mirror solar energy concentrating collectors; advanced heat pipe technologies for the thermal management; high performance Thermal Energy Storage systems on the basis of Phase Change Materials; smart control units for integration of solar thermal and boiler heating circuits. Also participants of this Project are experienced in integration of Renewable energy technologies into buildings, optimisation of complex plants and in analysis and predictions of socio-economic impact and in commercialisation of new Renewable energy products. It is estimated that the proposed technology will deliver 60% of domestic energy requirements and provide 20% reduction in energy costs and Green House Gas (GHG) emissions compared to the best existing low carbon energy technologies. In this way the project will also assist in improving the quality of life of population within and outside the EU and provide clean, efficient and secure energy to dwellings.

Maresca P.,University of Naples Federico II | Guercio A.,Kent State University | Stanganelli L.,University Telematica e Campus | Arndt T.,Cleveland State University
Journal of E-Learning and Knowledge Society | Year: 2014

Cooperative learning is a paradigm of collaboration aimed to reach a common goal. The trend of using social networks and social media to deliver and exchange knowledge leads us to believe that collaboration skills must be strongly promoted to empower users to learn with and from each other to support the educational challenges of this century. In this paper we discuss the primary needs of a modern educational system and we present the ETCplus project, a model of cooperation that has as its primary focus students’ cooperation in an academic environment. Two distinct experiments involving cooperative learning with two international universities are discussed. The first describes a system in an environment that is left to evolve autonomously. The second presents a system in a controlled environment that uses an accelerator to speed the learning process. The process of collaboration was built on a shared platform. Students’ feedback shows that cooperative learning produces better results when consonance and resonance are reached. The paper discusses the pros and cons of the ETCplus project. © 2014 Giunti. All rights reserved.

Arteconi A.,University Telematica e Campus | Spitoni M.,Marche Polytechnic University | Polonara F.,Marche Polytechnic University | Spigarelli F.,University of Macerata
International Journal of Ambient Energy | Year: 2016

Natural gas is considered the alternative fuel that, in the short-medium term, can best substitute conventional fuels, in order to reduce their environmental impact. The purpose of this paper is to outline the feasibility of liquefied natural gas (LNG), especially from biogas (LBG), as vehicle fuel in Europe and in China. Firstly, the analysis presents the difficulty of methane supply in some regions and the need for feasible ways of producing LNG. For this purpose, biogas recovery and its upgrade are presented as an interesting source to produce such alternative vehicle fuel, being also a renewable source with a reduced environmental impact. Secondly, an economic analysis is performed for a specific European country (Italy): it takes into account technical aspects, costs, the foreseen market price for the new fuel and the necessary incentive policy. The latter aspect has been revealed to cover a major role for the feasibility of such projects. © 2016 Informa UK Limited, trading as Taylor & Francis Group

Mazzolai G.,University Telematica e Campus
Recent Patents on Materials Science | Year: 2012

The present review of the most recent patents outlines the progress made over the last five years in the search of novel materials and processes that might allow large amounts of hydrogen to be stored on board of vehicles. Worth of note are the results of certain abinitio calculations proving that some compounds not yet synthesized might, actually, show features approaching the requirements of the US Department of Energy. Significant progress has been made concerning the absorption/desorption reversibility of Li-N-H compounds (amides/imides, LiH, Li 3N), borohydrides and boranes. These materials, at the actual state of the art, appear still largely inadequate to comply with DOE targets. However, their intrinsic high mass capacity offers wide margin for further research in this area. The achievements made with alanates, magnesium-based hydrides and bcc-alloy hydrides, although of great significance from a point of view of the fundamental research, nonetheless, appear to be of limited impact from a practical point of view, at least for automotive applications. This is mainly due to the relatively low intrinsic mass capacity of these materials. © 2012 Bentham Science Publishers.

Berti A.,University Telematica e Campus | Giorgi C.,University of Brescia
AAPP Atti della Accademia Peloritana dei Pericolanti, Classe di Scienze Fisiche, Matematiche e Naturali | Year: 2013

In the framework of continuum thermodynamics a new approach to phase transition and separation phenomena is developed by emphasizing their nonlocal character. The phase-field is regarded as an internal variable and the kinetic or evolution equation is viewed as a constitutive equation of rate type. The second law of thermodynamics is satisfied by virtue of an extra entropy flux which arises from its nonlocal formulation. Such an extra flux is proved to be nonvanishing inside the transition layer, only. Different choices of the state variables distinguish transition form separation models. The former case involves the gradients of the main fields up to the second order, whereas in the latter all gradients up to the fourth order are needed and the total mass of the phase-field is conserved. In both cases, necessary and sufficient restrictions on the constitutive equations are derived from thermodynamics. On this background, some applications to scalar-valued models are developed. A simple model of the temperature-induced first-order transition is derived in connection with a state space involving second-order gradients. Dynamical models of phase separation in a binary fluid mixture are discussed and the classical nonisothermal Cahn-Hilliard system is obtained as a special case of a fourth-gradient model. © 2013 by the Author.

Caresana F.,Marche Polytechnic University | Brandoni C.,University Telematica e Campus | Feliciotti P.,Marche Polytechnic University | Bartolini C.M.,Marche Polytechnic University
Applied Energy | Year: 2011

Micro-combined heat and power (CHP) systems are a key resource to meet the EUCO2 reduction agreed in the Kyoto Protocol. In the near future they are likely to spread significantly through applications in the residential and service sectors, since they can provide considerably higher primary energy efficiencies than plants generating electricity and heat separately. A 28kWe natural gas, automotive-derived internal combustion engine CHP system was modeled with a view to comparing constant and variable speed operation modes. Besides their energy performances, the paper addresses the major factors involved in their economic evaluation and describes a method to assess their economic feasibility. Typical residential and service sector applications were chosen as test cases and the results discussed in terms of energy performances and of profitability. They showed that interesting savings can be obtained with respect to separate generation, and that they are higher for the household application in variable speed operating conditions. In fact the plant's energy performance is greatly enhanced by the possibility, for any given power, to regulate the engine's rotational speed. From the economic viewpoint, despite the higher initial cost of the variable speed concept, the system involves a shorter pay-back period and ensures greater profit. © 2010 Elsevier Ltd.

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