Development of a small solar thermal power plant for heat and power supply to domestic and small business buildings

Mahkamov, Khamid, Pili, Piero, Manca, Roberto, Leroux, Arthur, Mintsa, Andre-Charles, Lynn, Kevin, Mullen, David, Halimic, Elvedin, Bartolini, Carlo, Pirro, Matteo, Costa Pereira, Carolina, Cabeza, Luis F., de Gracia Cuesto, Alvaro, Kenisarin, Murat and Makhkamova, Irina (2018) Development of a small solar thermal power plant for heat and power supply to domestic and small business buildings. In: ASME 2018 Power and Energy Conference, 24th - 28th June 2018, Florida, USA.

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Abstract

The small solar thermal power plant is being developed with funding from EU Horizon 2020 Program. The plant is configured around a 2-kWel Organic Rankine Cycle turbine and solar field, made of Fresnel mirrors. The solar field is used to heat thermal oil to the temperature of about 240°C. This thermal energy is used to run the Organic Rankine Cycle turbine and the heat rejected in its condenser (about 18-kWth) is utilised for hot water production and living space heating.

The plant is equipped with a latent heat thermal storage to extend its operation by about 4 hours during the evening building occupancy period. The phase change material used is Solar salt with the melting/solidification point at about 220°C. The total mass of the PCM is about 3,800kg and the thermal storage capacity is about 100kWh. The operation of the plant is monitored by a central controller unit. The main components of the plant are being manufactured and laboratory tested with the aim to assemble the plant at the demonstration site, located in Catalonia, Spain. At the first stage of investigations the ORC turbine will be directly integrated with the solar field to evaluate their joint performance. During the second stage of tests, the Latent Heat Thermal Storage will be incorporated into the plant and its performance during the charging and discharging processes will be investigated. It is planned that the continuous field tests of the whole plant will be performed during the 2018-2019 period.

Item Type: Conference or Workshop Item (Paper)
Subjects: H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Related URLs:
Depositing User: Paul Burns
Date Deposited: 19 Sep 2018 15:02
Last Modified: 11 Dec 2018 12:32
URI: http://nrl.northumbria.ac.uk/id/eprint/35789

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