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Improving building energy modelling by applying advanced 3D surveying techniques on agri-food facilities

Francesco Barreca, Giuseppe Modica, Salvatore Di Fazio, Viviana Tirella, Raimondo Tripodi, Carmelo Riccardo Fichera
  • Francesco Barreca
    Department of Agriculture, Mediterranea University of Reggio Calabria, Italy | fbarreca@unirc.it
  • Giuseppe Modica
    Department of Agriculture, Mediterranea University of Reggio Calabria, Italy
  • Salvatore Di Fazio
    Department of Agriculture, Mediterranea University of Reggio Calabria, Italy
  • Viviana Tirella
    Department of Agriculture, Mediterranea University of Reggio Calabria, Italy
  • Raimondo Tripodi
    Department of Agriculture, Mediterranea University of Reggio Calabria, Italy
  • Carmelo Riccardo Fichera
    Department of Agriculture, Mediterranea University of Reggio Calabria, Italy

Abstract

Food industry is the production sector with the highest energy consumption. In Europe, the energy used to produce food accounts for 26% of total energy consumption. Over 28% is used in industrial processes. Recently, European food companies have increased their efforts to make their production processes more sustainable, also by giving preference to the use of renewable energy sources. In Italy, the total energy consumption in agriculture and food sectors decreased between 2013 and 2014, passing from 16.79 to 13.3 Mtep. Since energy consumption in food industry is nearly twice the one in agriculture (8.57 and 4.73 Mtep, respectively), it is very important to improve energy efficiency and use green technologies in all the phases of food processing and conservation. In Italy, a recent law (Legislative Decree 102, 04/07/2014) has made energy-use diagnosis compulsory for all industrial concerns, particularly for those showing high consumption levels. In the case of food industry buildings, energy is mainly used for indoor microclimate control, which is needed to ensure workers’ wellbeing and the most favourable conditions for food processing and conservation. To this end, it is important to have tools and methods allowing for easy, rapid and precise energy performance assessment of agri-food buildings. The accuracy of the results obtainable from the currently available computational models depends on the grade of detail and information used in constructional and geometric modelling. Moreover, this phase is probably the most critical and time-consuming in the energy diagnosis. In this context, fine surveying and advanced 3D geometric modelling procedures can facilitate building modelling and allow technicians and professionals in the agri-food sector to use highly efficient and accurate energy analysis and evaluation models. This paper proposes a dedicated model for energy performance assessment in agri-food buildings. It also shows that by using advanced surveying techniques, such as a terrestrial laser scanner and an infrared camera, it is possible to create a three-dimensional parametric model, while, thanks to the heat flow meter measurement method, it is also possible to obtain a thermophysical model. This model allows assessing the energy performance of agri-food buildings in order to improve the indoor microclimate control and the conditions of food processing and conservation.

Keywords

Advanced 3D surveying techniques; agri-food buildings; building energy model; building information modelling; energy performance assessment.

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Submitted: 2017-02-07 17:32:34
Published: 2017-09-27 00:00:00
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Copyright (c) 2017 Francesco Barreca, Giuseppe Modica, Salvatore Di Fazio, Viviana Tirella, Raimondo Tripodi, Carmelo Riccardo Fichera

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