Search results for: Niccolò Aste

Items from 1 to 20 out of 29 results

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Glazing’s techno-economic performance: A comparison of window features in office buildings in different climates

Niccolò Aste, Michela Buzzetti, Claudio Del Pero, Fabrizio Leonforte

Energy and Buildings > 2018 > 159 > C > 123-135

The use of glass in buildings has a considerable impact both on comfort levels and energy performances, since glazed components protect from external environmental conditions, provides daylighting, view and also ventilation if they are openable. Starting from the second half of the 19th century, the architectural design used to give an increasingly important role to the glass, particularly in non-residential...

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Regional policies toward energy efficiency and renewable energy sources integration: Results of a wide monitoring campaign

Niccolò Aste, Michela Buzzetti, Paola Caputo, Claudio Del Pero

Sustainable Cities and Society > 2018 > 36 > C > 215-224

In the last 15 years, Lombardy Region has supported numerous measures for energy efficiency and installation of renewable energy sources within its territory, including the realization and the upgrade of district heating plants, the installation of solar thermal systems, the energy retrofit of existing buildings, the promotion of zero emissions buildings and the improvement of efficient heating systems...

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A novel stochastic energy analysis of a solar air heater: case study in solar radiation uncertainty

Hamed Johnny Sarnavi, Ali M. Nikbakht, Ali Hasanpour, Feyzollah Shahbazi, more

Energy Systems > 2019 > 10 > 1 > 141-161

There is a growing recognition of the fact that solar energy utilization plans cannot be carried out without explicitly accounting for the uncertainty presented in the received solar irradiation. This may be expressed as an uncertainty quantification problem. A novel stochastic energy analysis is introduced to study the transient heat transfer problem of a typical flat plate solar air heater, based...

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Building Automation and Control Systems and performance optimization: A framework for analysis

Niccolò Aste, Massimiliano Manfren, Giorgia Marenzi

Renewable and Sustainable Energy Reviews > 2017 > 75 > C > 313-330

The pressing global environmental issues are fostering a rapid change in the energy and sustainability policies for the built environment. New paradigms are emerging, such as “Nearly Zero Energy Building” (nZEB), and resource efficiency is progressively becoming a crucial topic in the building sector, implying an appropriate consideration of performance over the whole life cycle. However, empirical...

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Performance monitoring and modeling of an uncovered photovoltaic-thermal (PVT) water collector

Niccolò Aste, Claudio Del Pero, Fabrizio Leonforte, Massimiliano Manfren

Solar Energy > 2016 > 135 > C > 551-568

PVT technology presents many attractive features for a wide application in the building sector since it is able to produce electricity and thermal energy at the same time with better overall performances and reduced surfaces in comparison with the two separated solar technologies. However the effectiveness of the PVT modules is most evident when they are integrated in complex systems, capable of fully...

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Sustainable church heating: The Basilica di Collemaggio case-study

Niccolò Aste, Stefano Della Torre, Rajendra S. Adhikari, Michela Buzzetti, more

Energy and Buildings > 2016 > 116 > C > 218-231

Historic building heating and, in particular, church heating represents a challenging task because many objectives have to be reached simultaneously; in facts, adequate thermal comfort levels have to be guaranteed for the occupants while ensuring an optimal internal climate suitable for the preservation of valuable and often fragile building components and artworks. Moreover, current requirements...

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Energy efficiency in buildings: What drives the investments? The case of Lombardy Region

Niccolò Aste, Paola Caputo, Michela Buzzetti, Marta Fattore

Sustainable Cities and Society > 2016 > 20 > C > 27-37

In recent years, following an agreement with the Italian Ministry of the Environment, Lombardy Region has promoted numerous initiatives for energy efficiency and use of renewable energy sources. These initiatives covered a large spectrum of technologies and practices. Energy efficiency in buildings has a fundamental role in the regional energy balance and pollutants emissions, including CO_2eq. Local...

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Thermal inertia and energy efficiency – Parametric simulation assessment on a calibrated case study

Niccolò Aste, Fabrizio Leonforte, Massimiliano Manfren, Manlio Mazzon

Applied Energy > 2015 > 145 > C > 111-123

The reduction of energy consumption for heating and cooling services in the existing building stock is a key challenge for global sustainability today and buildings’ envelopes retrofit is one the main issues. Most of the existing buildings’ envelopes have low levels of insulation, high thermal losses due to thermal bridges and cracks, absence of appropriate solar control, etc.Further, in building...

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Integration of a luminescent solar concentrator: Effects on daylight, correlated color temperature, illuminance level and color rendering index

Niccolò Aste, Lavinia Chiara Tagliabue, Pietro Palladino, Daniele Testa

Solar Energy > 2015 > 114 > Complete > 174-182

The paper deals with the integration of a luminescent solar concentrator (LSC) realized with a yellow dye produced by ENI Donegani Institute and analyzed by Politecnico di Milano. The LSC component has the capability to produce electricity and substitute transparent surfaces into the building envelope using inclinations (e.g. vertical walls) and orientation (e.g. different from south) not optimal...

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District heating in Lombardy Region (Italy): Effects of supporting mechanisms

Niccolò Aste, Michela Buzzetti, Paola Caputo

Sustainable Cities and Society > 2015 > 14 > Complete > 43-55

Nowadays energy and environmental issues represent the main emergencies for all the governments, globally and locally. The importance of operating on the three levels of the energy system (by reducing energy demand; by optimizing generation and management and by integrating local renewable energy sources) has been strongly recognized. To that end urban neighborhoods could represent an optimal scale...

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Design, modeling and performance monitoring of a photovoltaic–thermal (PVT) water collector

Niccolò Aste, Fabrizio Leonforte, Claudio Del Pero

Solar Energy > 2015 > 112 > C > 85-99

Over the years, many research efforts have been spent on the development of hybrid photovoltaic–thermal (PVT) technology, which is able to produce electricity and thermal energy at the same time with better overall performances of the two separated solar technologies. The aim of this work is the design of an innovative glazed PVT component with water as heat transfer fluid and the construction of...

article

PV technologies performance comparison in temperate climates

Niccolò Aste, Claudio Del Pero, Fabrizio Leonforte

Solar Energy > 2014 > 109 > Complete > 1-10

During the last decade, PV technology has been subject to a quick and remarkable improvement, affecting both the efficiency of modules and the manufacturing costs; during its period of greatest growth, the EU market was characterized by different major types of PV modules, but in many cases, due to the extremely rapid development of the sector, there is a lack of knowledge about the energy performance...

article

Local energy efficiency programs: A monitoring methodology for heating systems

Niccolò Aste, Michela Buzzetti, Paola Caputo, Massimiliano Manfren

Sustainable Cities and Society > 2014 > 13 > Complete > 69-77

In recent years, as a result of an important agreement with the Italian Ministry of the Environment, Lombardy Region has promoted and supported numerous measures for energy efficiency and renewable energy sources integration within its territory.Subsequently, monitoring campaigns have been launched to evaluate the global outcomes of the different calls and programs. Among other types of interventions,...

article

Water flat plate PV–thermal collectors: A review

Niccolò Aste, Claudio del Pero, Fabrizio Leonforte

Solar Energy > 2014 > 102 > Complete > 98-115

Over the last 30years, a large amount of research about air PVT collectors has been carried out, but the most investigated PVT technology in recent time is based on systems using water as the heat transfer fluid, because they achieve higher overall efficiencies than air systems, due to the higher heat capacity of water. In this sense, this article presents an extensive review about water flat plate...

article

Cost optimal analysis of heat pump technology adoption in residential reference buildings

Niccolò Aste, R.S. Adhikari, Massimiliano Manfren

Renewable Energy > 2013 > 60 > Complete > 615-624

In European Union (EU) buildings consume approximately the 40% of total primary energy. Heat pump (HP) systems have proven to be an efficient and economically viable alternative to conventional systems to provide heating and cooling services in buildings. An effective penetration of this technology in the built environment is critical to achieve the ambitious goals set by the recent EU Directives...

article

A simplified model for the estimation of energy production of PV systems

Niccolò Aste, Claudio Del Pero, Fabrizio Leonforte, Massimiliano Manfren

Energy > 2013 > 59 > Complete > 503-512

The potential of solar energy is far higher than any other renewable source, although several limits exist. In detail the fundamental factors that must be analyzed by investors and policy makers are the cost-effectiveness and the production of PV power plants, respectively, for the decision of investment schemes and energy policy strategies. Tools suitable to be used even by non-specialists, are therefore...

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Calibration and uncertainty analysis for computer models – A meta-model based approach for integrated building energy simulation

Massimiliano Manfren, Niccolò Aste, Reza Moshksar

Applied Energy > 2013 > 103 > Complete > 627-641

In energy and environment field models are constructed, in general, based on well-defined physical phenomena and properties. Calibration and uncertainty analysis hold a particular interest because models represent a simplification of reality and, therefore, it is necessary to quantify to what degree they are imperfect before employing them in design, prediction and decision making processes. Integrated...

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Energy and environmental impact of domestic heating in Italy: Evaluation of national NOx emissions

Niccolò Aste, R.S. Adhikari, Junia Compostella, Claudio Del Pero

Energy Policy > 2013 > 53 > Complete > 353-360

The domestic heating sector has a high potential in terms of energy savings and environmental impact. In the present study, an analysis has been carried out on the effect of domestic heating on natural gas (NG) consumption and pollutants emissions. In particular, among various emission pollutants, the nitrogen oxides (NO _x ) emissions at national level were analyzed in detail. The work was...

article

Energy retrofit of commercial buildings: case study and applied methodology

Niccolò Aste, Claudio Pero

Energy Efficiency > 2013 > 6 > 2 > 407-423

Commercial buildings are responsible for a significant share of the energy requirements of European Union countries. Related consumptions due to heating, cooling, and lighting appear, in most cases, very high and expensive. Since the real estate is renewed with a very small percentage each year and current trends suggest reusing the old structures, strategies for improving energy efficiency and sustainability...

article

Impact of domestic and tertiary buildings heating by natural gas in the Italian context

Niccolò Aste, Claudio Del Pero

Energy Policy > 2012 > 47 > Complete > 164-171

Natural Gas (NG) is commonly used for satisfying population needs for heating, domestic hot water production and cooking, particularly in countries where the price of electricity is high. Typically, NG is extensively distributed on urbanized territory and can be exploited by using different technologies. As a consequence, primary energy is usually consumed directly in buildings, allowing high efficiency...

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INFONA - science communication portal

Search results for: Niccolò Aste

Glazing’s techno-economic performance: A comparison of window features in office buildings in different climates

Regional policies toward energy efficiency and renewable energy sources integration: Results of a wide monitoring campaign

A novel stochastic energy analysis of a solar air heater: case study in solar radiation uncertainty

Building Automation and Control Systems and performance optimization: A framework for analysis

Performance monitoring and modeling of an uncovered photovoltaic-thermal (PVT) water collector

Sustainable church heating: The Basilica di Collemaggio case-study

Energy efficiency in buildings: What drives the investments? The case of Lombardy Region

Thermal inertia and energy efficiency – Parametric simulation assessment on a calibrated case study

Integration of a luminescent solar concentrator: Effects on daylight, correlated color temperature, illuminance level and color rendering index

District heating in Lombardy Region (Italy): Effects of supporting mechanisms

Design, modeling and performance monitoring of a photovoltaic–thermal (PVT) water collector

PV technologies performance comparison in temperate climates

Local energy efficiency programs: A monitoring methodology for heating systems

Water flat plate PV–thermal collectors: A review

Cost optimal analysis of heat pump technology adoption in residential reference buildings

A simplified model for the estimation of energy production of PV systems

Calibration and uncertainty analysis for computer models – A meta-model based approach for integrated building energy simulation

Energy and environmental impact of domestic heating in Italy: Evaluation of national NOx emissions

Energy retrofit of commercial buildings: case study and applied methodology

Impact of domestic and tertiary buildings heating by natural gas in the Italian context

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