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Design of a Solar Dish Receiver and Life Cycle Assessment of a Hot Water System

Author

Listed:
  • Ibrahim Tursunović

    (Department of Energy (DENERG), Politecnico di Torino, Corso Duca Degli Abruzzi, 24, 10129 Turin, Italy)

  • Davide Papurello

    (Department of Energy (DENERG), Politecnico di Torino, Corso Duca Degli Abruzzi, 24, 10129 Turin, Italy
    Energy Center, Politecnico di Torino, Via Paolo Borsellino 38/16, 10138 Turin, Italy)

Abstract

The energy sector is the main source of greenhouse gases, so it has the highest potential for improvement. The improvements can be achieved by generating energy from renewable sources. It is necessary to combine production from renewable sources with storage systems. Thermal energy storage using concentrated solar power systems is a promising technology for dispatchable renewable energy that can guarantee a stable energy supply even in remote areas without contributing to greenhouse gas emissions during operation. However, it must be emphasised that greenhouse gases and other impacts can occur during the production process of concentrating solar system components. This paper analyses the receiver design to produce thermal energy for the existing CSP dish plant at the Energy Center of the Politecnico di Torino. The plant is designed to produce electrical energy in the spring and summer periods. In addition to this energy production, the CSP can be adopted to produce thermal energy, through hot water, during the less favourable periods of the year in terms of global solar radiation. The surface heat flux is calculated in the first part of the analysis to obtain the maximum internal temperature in the receiver, which is 873.7 °C. This value is a constraint for the choice of material for the solar receiver. A life cycle assessment is performed to compare the emissions generated during the production of the main components of the CSP system with the emissions generated by the methane-fuelled water heater to produce the same amount of thermal energy. It can be concluded that the production of the main components of the CSP system results in lower greenhouse gas emissions than the operational phase of a conventional system. Given the assumptions made, the utilization of methane leads to the emission of approximately 12,240 kg of CO 2 , whereas the production of the CSP system results in emissions totalling 5332.8 kg of CO 2 equivalent

Suggested Citation

  • Ibrahim Tursunović & Davide Papurello, 2024. "Design of a Solar Dish Receiver and Life Cycle Assessment of a Hot Water System," Clean Technol., MDPI, vol. 6(1), pages 1-18, March.
  • Handle: RePEc:gam:jcltec:v:6:y:2024:i:1:p:19-396:d:1359957
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    References listed on IDEAS

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    1. Margherita Perrero & Davide Papurello, 2023. "Solar Disc Concentrator: Material Selection for the Receiver," Energies, MDPI, vol. 16(19), pages 1-11, September.
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