Volumetric Expanders for Energy Recovery and ORC Cycles
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".
Deadline for manuscript submissions: closed (10 October 2022) | Viewed by 6710
Special Issue Editors
Interests: fluid machinery; internal combustion engine; solar energy
Special Issues, Collections and Topics in MDPI journals
Interests: solar energy conversion; thermal engines; CSP
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The need to ensure sustainable development and make electrical production independent from fossil fuels suggests developing other conversion technologies.
Organic Rankine Cycles (ORCs) are attractive since they produce heat and power from renewable energies and waste heat for microgeneration purposes. The expander is a critical component in the ORCs power plant since it is responsible for the power production, and its cost affects the technical feasibility of the whole plant. The isentropic efficiency and the filling factor are the main parameters that characterize the performances of the machine. The expanders can be volumetric or dynamic machines. The choice of one instead of another technology entails some advantages and disadvantages. In both cases, the expander design relies on mechanical, thermal, fluid-dynamic considerations that are related to the operating conditions of the cycle. For these reasons, various developments in the analysis of ORC expanders are expected.
This Special Issue aims to provide an overview focused on the fluid dynamic and thermal aspects that the design of the expanders for ORC applications requires. We expect contributions about numerical and experimental studies.
Dr. Marco Francesconi
Dr. M. Antonelli
Guest Editors
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Keywords
- volumetric expanders
- turbines
- CFD techniques
- experimental analysis
- numerical modeling
- performance analysis
- single-phase flows
- two-phase flows
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