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CO 2 Employment as Refrigerant Fluid with a Low Environmental Impact. Experimental Tests on Arugula and Design Criteria for a Test Bench

Author

Listed:
  • Biagio Bianchi

    (Department of Agricultural and Environmental Science, University of Bari Aldo Moro, Via Amendola 165/A, 70126 Bari, Italy)

  • Giuseppe Cavone

    (Department of Electrical and Information Engineering, Polytechnic of Bari, Via E. Orabona, 4, 70126 Bari, Italy)

  • Gianpaolo Cice

    (Department of Agricultural and Environmental Science, University of Bari Aldo Moro, Via Amendola 165/A, 70126 Bari, Italy)

  • Antonia Tamborrino

    (Department of Agricultural and Environmental Science, University of Bari Aldo Moro, Via Amendola 165/A, 70126 Bari, Italy)

  • Marialuisa Amodio

    (Department of Science of Agriculture, Food and Environment, University of Foggia, Via–Napoli, 25, 71122 Foggia, Italy)

  • Imperatrice Capotorto

    (Department of Science of Agriculture, Food and Environment, University of Foggia, Via–Napoli, 25, 71122 Foggia, Italy)

  • Pasquale Catalano

    (Department of Agriculture, Environment and Food, University of Molise, Via Francesco De Sanctis, 1, 86100 Campobasso, Italy)

Abstract

In order to define design criteria for CO 2 refrigeration systems to be used for agricultural products and foodstuff storage, a variable geometrical system was realized, with the goal of meeting a wide range of environmental and process conditions, such as producing low environmental impact and maintaining the highest Coefficient of Performance (COP), at the same time. This test-bench, at semi-industrial scale, was designed as a result of experimental tests carried out on Arugula. The storage tests showed that all samples stored in cold rooms with R.H. control showed a slight increase of weight but also small rot zones in all the boxes due to an excessive accumulation of water condensation; thus, the system may not have achieved conditions that RH requires in a given range, without reaching saturation condition. At the same time, the use of CO 2 must be adequately tested along its thermodynamic cycle, during steady state and/or transient conditions, imposing variable working conditions that can simulate plant starting phase or some striking conservation process, like those that characterize sausages. The designed plant will allow studying these specific performances and evaluate COP variation, according to environmental and plant operating conditions.

Suggested Citation

  • Biagio Bianchi & Giuseppe Cavone & Gianpaolo Cice & Antonia Tamborrino & Marialuisa Amodio & Imperatrice Capotorto & Pasquale Catalano, 2015. "CO 2 Employment as Refrigerant Fluid with a Low Environmental Impact. Experimental Tests on Arugula and Design Criteria for a Test Bench," Sustainability, MDPI, vol. 7(4), pages 1-19, March.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:4:p:3734-3752:d:47476
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    References listed on IDEAS

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    1. Sánchez, D. & Cabello, R. & Llopis, R. & Torrella, E., 2012. "Development and validation of a finite element model for water – CO2 coaxial gas-coolers," Applied Energy, Elsevier, vol. 93(C), pages 637-647.
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    Cited by:

    1. Antonia Tamborrino & Claudio Perone & Filippo Catalano & Giacomo Squeo & Francesco Caponio & Biagio Bianchi, 2019. "Modelling Energy Consumption and Energy-Saving in High-Quality Olive Oil Decanter Centrifuge: Numerical Study and Experimental Validation," Energies, MDPI, vol. 12(13), pages 1-20, July.
    2. Claudio Perone & Biagio Bianchi & Filippo Catalano & Michela Orsino, 2022. "Experimental Evaluation of Functional and Energy Performance of Pneumatic Oenological Presses for High Quality White Wines," Sustainability, MDPI, vol. 14(13), pages 1-11, June.

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