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Prof. Giuseppe Oliveti
Department of Mechanical, Energy and Management Engineering (DIMEG), University of Calabria, P. Bucci 46/C, 87036 Rende (CS), Italy

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0 Electric Vehicles
0 Solar Energy
0 Thermal Energy Storage
0 Wind Energy
0 phase change materials

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Editorial
Published: 12 December 2020 in Sustainability
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EU Directives have reinforced both studies and research for the development of innovative technological solutions to improve building energy performance and to achieve a reduction in total energy consumption, with benefits in terms of reducing greenhouse gas emissions, as well as in economic terms

ACS Style

Domenico Mazzeo; Giuseppe Oliveti. Advanced Innovative Solutions for Final Design in Terms of Energy Sustainability of Nearly/Net Zero Energy Buildings (nZEB). Sustainability 2020, 12, 10394 .

AMA Style

Domenico Mazzeo, Giuseppe Oliveti. Advanced Innovative Solutions for Final Design in Terms of Energy Sustainability of Nearly/Net Zero Energy Buildings (nZEB). Sustainability. 2020; 12 (24):10394.

Chicago/Turabian Style

Domenico Mazzeo; Giuseppe Oliveti. 2020. "Advanced Innovative Solutions for Final Design in Terms of Energy Sustainability of Nearly/Net Zero Energy Buildings (nZEB)." Sustainability 12, no. 24: 10394.

Journal article
Published: 16 July 2020 in Energies
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Greenhouse crops represent a significant productive sector of the agricultural system; one of the main problems to be addressed is indoor air conditioning to ensure thermal well-being of crops. This study focuses on the ventilation analysis of solar greenhouse with symmetrical flat pitched roof and single span located in a warm temperate climate. This work proposes the dynamic analysis of the greenhouse modeled in TRNsys, simultaneously considering different thermal phenomena three-dimensional (3D) shortwave and longwave radiative exchange, airflow exchanges, presence of lamps with their exact 3D position, ground and plant evapotranspiration, and convective heat transfer coefficients. Several air conditioning systems were analyzed, automatic window opening, controlled mechanical ventilation systems (CMV) and horizontal Earth-to-Air Heat Exchanger (EAHX) coupled with CMV, for different air volume changes per hour. In summer, the exploitation of the ground allows having excellent results with the EAHX system, reducing the temperature peaks of up to 5 °C compared to the use of CMV. In winter, it is interesting to note that, although the EAHX is not the solution that raises the temperature the most during the day, its use allows flattening the thermal wave more. In fact, the trend is almost constant during the day, raising the temperature during the first and last hours of the day.

ACS Style

Sara Bonuso; Simone Panico; Cristina Baglivo; Domenico Mazzeo; Nicoletta Matera; Paolo Maria Congedo; Giuseppe Oliveti. Dynamic Analysis of the Natural and Mechanical Ventilation of a Solar Greenhouse by Coupling Controlled Mechanical Ventilation (CMV) with an Earth-to-Air Heat Exchanger (EAHX). Energies 2020, 13, 3676 .

AMA Style

Sara Bonuso, Simone Panico, Cristina Baglivo, Domenico Mazzeo, Nicoletta Matera, Paolo Maria Congedo, Giuseppe Oliveti. Dynamic Analysis of the Natural and Mechanical Ventilation of a Solar Greenhouse by Coupling Controlled Mechanical Ventilation (CMV) with an Earth-to-Air Heat Exchanger (EAHX). Energies. 2020; 13 (14):3676.

Chicago/Turabian Style

Sara Bonuso; Simone Panico; Cristina Baglivo; Domenico Mazzeo; Nicoletta Matera; Paolo Maria Congedo; Giuseppe Oliveti. 2020. "Dynamic Analysis of the Natural and Mechanical Ventilation of a Solar Greenhouse by Coupling Controlled Mechanical Ventilation (CMV) with an Earth-to-Air Heat Exchanger (EAHX)." Energies 13, no. 14: 3676.

Journal article
Published: 06 July 2020 in Applied Thermal Engineering
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Greenhouse technology is an important energy consumer sector representing an indispensable solution for modern methods of crop production. In the greenhouse envelope and system design phase, thermodynamic performance simulation tools are required. The greenhouse simulation is still a very complex task despite many building tools are available in the literature. This work aims to overcome this gap by proposing a reference methodology to accommodate the building TRNSYS software for a greenhouse able to consider simultaneously different thermal phenomena with detailed modelling of: dense volume discretization, 3D shortwave and longwave radiative exchange, air flow exchanges, presence of lamps with their exact 3D position, ground and plant evapotranspiration, and convective heat transfer coefficients. A standard hourly simulation of the one-zone greenhouse was validated with another recognized tool, showing excellent agreement throughout the year. The main parameters affecting the greenhouse thermal balance were investigated in both a free-floating and continuous regime. The investigation has shown that a standard simulation is accurate to only reproduce the thermal response in a free-floating regime; instead, the detailed simulation has led to overall cooling and heating energy needs in the continuous regime, respectively, of 51.4 kWh/m3 and 49.1 kWh/m3, avoiding to obtain very high errors.

ACS Style

Cristina Baglivo; Domenico Mazzeo; Simone Panico; Sara Bonuso; Nicoletta Matera; Paolo Maria Congedo; Giuseppe Oliveti. Complete greenhouse dynamic simulation tool to assess the crop thermal well-being and energy needs. Applied Thermal Engineering 2020, 179, 115698 .

AMA Style

Cristina Baglivo, Domenico Mazzeo, Simone Panico, Sara Bonuso, Nicoletta Matera, Paolo Maria Congedo, Giuseppe Oliveti. Complete greenhouse dynamic simulation tool to assess the crop thermal well-being and energy needs. Applied Thermal Engineering. 2020; 179 ():115698.

Chicago/Turabian Style

Cristina Baglivo; Domenico Mazzeo; Simone Panico; Sara Bonuso; Nicoletta Matera; Paolo Maria Congedo; Giuseppe Oliveti. 2020. "Complete greenhouse dynamic simulation tool to assess the crop thermal well-being and energy needs." Applied Thermal Engineering 179, no. : 115698.

Journal article
Published: 09 May 2017 in Energies
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Net zero energy buildings (nZEB) require the development of innovative technologies such as the use of phase change materials (PCMs) in walls for the energy requalification of low inertia buildings. The presence of a PCM layer in the external building wall, due to the effect of storage and release of latent energy phenomena, modifies the energy behavior, both during the summer and winter periods. This paper addresses the problem of the definition of the energetic behavior of a layer subject to phase change with periodic non-sinusoidal boundary conditions, characterizing the external walls of air-conditioned buildings. In such conditions, the layer is the site of the formation of one or more bi-phase interfaces, which originate on the boundary surfaces, or are always present and fluctuate within the layer. It is also possible that the layer does not undergo any phase change. The study has been developed by a finite difference numeric calculation model which explicitly determines the number and the position of the bi-phase interfaces that originate in the layer and the temperature and the heat flux fields. The surface heat fluxes are used to evaluate the PCM layer energetic behavior in terms of energy transferred through the boundary surfaces and of stored energy in sensible and latent form. The proposed method employs the characteristic day that it is periodically repeated for all the days of the considered month. The use of the characteristic days drastically reduces the computational burden of the numerical calculation and it allows to obtain guidance on the behaviour of the PCM throughout the year, in accordance with the variability of external climatic conditions, in order to select the PCM with the most suitable thermophysical properties. The methodology developed is applied to PCM layers with different melting temperatures and subject to climatic conditions of two locations, one with a continental climate and the second one with a Mediterranean climate. The results obtained allowed us to identify which PCM is more suitable in improving the energetic performances of building walls in the heating or cooling period during the year. In particular, the energy analysis highlighted that, in both localities, during the winter period: the lowest energy exiting from the indoor environment is ensured by a PCM with a melting temperature of 15 °C; the highest contribution of energy entering the indoor environment, mainly due to solar radiation, is recorded for a PCM with a melting temperature of 26 °C. During the summer period: the lowest value of energy entering the indoor environment is obtained by a PCM with melting temperature of 26 °C; the highest value of energy exiting from the indoor environment is ensured by a melting temperature equal to 20 °C. In both locations, a PCM with a melting temperature intermediate between those of the winter and summer set points of the indoor environment is the best compromise between winter and summer...

ACS Style

Domenico Mazzeo; Giuseppe Oliveti; Natale Arcuri. A Method for Thermal Dimensioning and for Energy Behavior Evaluation of a Building Envelope PCM Layer by Using the Characteristic Days. Energies 2017, 10, 659 .

AMA Style

Domenico Mazzeo, Giuseppe Oliveti, Natale Arcuri. A Method for Thermal Dimensioning and for Energy Behavior Evaluation of a Building Envelope PCM Layer by Using the Characteristic Days. Energies. 2017; 10 (5):659.

Chicago/Turabian Style

Domenico Mazzeo; Giuseppe Oliveti; Natale Arcuri. 2017. "A Method for Thermal Dimensioning and for Energy Behavior Evaluation of a Building Envelope PCM Layer by Using the Characteristic Days." Energies 10, no. 5: 659.

Journal article
Published: 29 February 2000 in Renewable Energy
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A calculation method of the accumulated probability curves from the solar fraction provided by plants with interseasonal solar energy storage is proposed. The variability of the insolation sequences was achieved by randomly generating the monthly clearness indices according to normal distribution, and subsequently, the values of daily available energy by means of Markov’s matrix library [5]. The results obtained from simulations of the generated sequences of collected energy were subjected to experimental verification.

ACS Style

G. Oliveti; N. Arcuri; S. Ruffolo. Effect of climatic variability on the performance of solar plants with interseasonal storage. Renewable Energy 2000, 19, 235 -241.

AMA Style

G. Oliveti, N. Arcuri, S. Ruffolo. Effect of climatic variability on the performance of solar plants with interseasonal storage. Renewable Energy. 2000; 19 (1-2):235-241.

Chicago/Turabian Style

G. Oliveti; N. Arcuri; S. Ruffolo. 2000. "Effect of climatic variability on the performance of solar plants with interseasonal storage." Renewable Energy 19, no. 1-2: 235-241.