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September 17, 2025Green energy and fuel research.Open Access

Volumetric and Turbine Expander Technologies in Organic Rankine Cycle Systems: A Systematic Review

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Authors

JHJui‐Ching HsiehHTH. D. TsaiYCYeh-Tung Chen

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Overview

Systematic review examines expander technologies in organic Rankine cycle systems, highlighting performance characteristics and application domains.

Key Points

  • Turbo expanders provide high isentropic efficiency in high-temperature conditions, optimizing blade geometry for performance.
  • Volumetric expanders like scroll and screw expanders are favored for their efficiency and capability to handle two-phase fluids.
  • The study identifies technical challenges faced by volumetric expanders, such as sealing effectiveness and thermal stresses.
  • Current advancements in expander technologies will inform design strategies for enhancing organic Rankine cycle system performance.

Cite This Study

Hsieh et al. (2025) studied this question.

synapsesocial.com/papers/68d45e6a31b076d99fa5ef7bhttps://doi.org/10.53941/gefr.2025.100015
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Comparative analysis of the effects of expander types on thermodynamic performance in low-temperature waste heat recovery systems (ORC)2025
  2. 2To Get a Power Generation Using a Waste Heat Recovery from IC Engine2024
  3. 3Experimental Characterization of Commercial Scroll Expander for Micro-Scale Solar ORC Application: Part 12024 · 4 citations
  4. 4Organic Rankine Cycle (ORC) Systems: A fundamental Overview of Small-scale Applications Fuelled by Low-grade Heat Sources2024
  5. 5Recent Developments in the Design, Modeling, Optimization, and Control of Electro-mechanical Inlet Valves for Gas Expanders2024