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Dr. Nicoletta Matera
Department of Mechanical, Energy and Management Engineering (DIMEG), University of Calabria, P. Bucci 46/C, 87036 Rende (CS), Italy

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0 Artificial Neural Networks
0 Building Simulation
0 Electric Vehicles
0 Renewable Energy
0 Thermal Energy Storage

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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.