Investigation on the use of a novel regenerative flow turbine in a micro-scale Organic Rankine Cycle unit

Ramin Moradi, Emanuele Habib, Enrico Bocci and Luca Cioccolanti

Energy, 2020, vol. 210, issue C

Abstract: Reliable and low-cost expanders are fundamental for the competitiveness of small-scale Organic Rankine Cycle (ORC) plants using low-temperature heat sources. Regenerative flow turbines (RFTs) can be considered a low-cost and viable alternative expander, yet their performance needs to be fully investigated. Therefore, the use of an RFT in a micro-scale ORC test bench is investigated in this work through a modelling study. Specifically, three-dimensional CFD simulations are carried out to assess the performance of the considered expander with varying operating conditions and a numerical model of a non-regenerative, small-scale ORC system is developed to investigate its potential in waste heat recovery (WHR) applications.

Keywords: Regenerative flow turbine; CFD simulation; Small-scale ORC; Micro combined heat and power system; Low-grade waste heat recovery (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:210:y:2020:i:c:s0360544220316273

DOI: 10.1016/j.energy.2020.118519

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