 A micro-CHP system with organic Rankine cycle using R1223zd(E) and n-Pentane as working fluidsK. Qiu and E. Entchev Energy, 2022, vol. 239, issue PA Abstract: This paper presents an ORC-based micro-CHP system designed for use in residential houses. Two working fluids, R1223zd(E) and n-Pentane, are investigated and the performance of the ORC is compared. Experimental results show that the ORC-based micro-CHP system with R1223zd(E) used as the working fluid achieves slightly higher efficiency than with n-Pentane, with the ORC efficiencies being 7.6% and 7.3%. The system produces the electricity outputs of 0.98 kWe and 0.95 kWe at nominal operating conditions when the two fluids are used respectively. A thermodynamic model for the ORC is developed to predict its thermodynamic performance and evaluate different working fluids. The results of thermodynamic modelling show that the ORC efficiencies achieved with the two ORC fluids range from 6.6% to 13.6% and from 6.2% to 13.8% depending on operating conditions. The micro-CHP system is capable of delivering great performance with respect to overall energy efficiency, low GWP and on-site power and heating security for homes. Keywords: ORC; Micro-CHP; Working fluid; Model; Thermodynamic (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:239:y:2022:i:pa:s0360544221020740 DOI: 10.1016/j.energy.2021.121826 Access Statistics for this article Energy is currently edited by Henrik Lund and Mark J. Kaiser More articles in Energy from Elsevier |
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