Supersonic Flow Dynamics in Turbine and Condensing Systems
Summary
Supersonic flow dynamics underlie the performance of modern turbines and phase-change separators by driving gas streams beyond Mach 1 through carefully shaped geometries. In turbine cascades and nozzles, rapid expansion and spontaneous condensation of steam or humid air give rise to shock waves, droplet nucleation and non-equilibrium phase transition that can incur thermodynamic losses and material erosion. In parallel, supersonic separators exploit high-speed expansion and swirling fields to induce homogeneous and heterogeneous condensation, enabling efficient gas–liquid separation for natural gas dehydration and carbon-capture applications. Numerical and experimental investigations have revealed the intricate interplay between pressure gradients, heat and mass transfer, droplet growth and wall-film formation. Advances in real-gas modelling, multi-field simulations and blade-cascade design have begun to reconcile theoretical predictions with observed flow behaviour, paving the way for optimised energy recovery, reduced exergy losses and enhanced separation efficiency across power generation, petrochemical processing and emerging zero-carbon technologies.
Research from Nature Portfolio
No recent Nature Portfolio content available.
Supersonic Flow Dynamics in Turbine and Condensing Systems publication trend
The graph below shows the total number of articles in supersonic flow dynamics in turbine and condensing systems across all publications each year (not limited to Nature Index journals).
Technical terms
Mach number: Ratio of flow velocity to the local speed of sound, indicating subsonic or supersonic regimes.
Laval nozzle: A convergent–divergent duct that accelerates a fluid to supersonic speed through controlled expansion.
Homogeneous condensation: Phase change initiated by spontaneous nucleation of droplets in a supersaturated vapour without foreign nuclei.
Heterogeneous condensation: Droplet formation facilitated by pre-existing particles or surfaces acting as nucleation sites.
Supersonic separator: A device that uses rapid gas expansion and centrifugal forces to condense and separate liquid droplets from a gas stream.
Shock wave: A sharp pressure and temperature discontinuity that forms when supersonic flow encounters sudden area changes or obstructions.
Exergy loss: Measure of useful work potential lost due to irreversibilities in thermodynamic processes, such as condensation and shock formation.
References
- Supersonic separation towards sustainable gas removal and carbon capture. Progress in Energy and Combustion Science (2024).
- High-pressure supersonic carbon dioxide (CO2) separation benefiting carbon capture, utilisation and storage (CCUS) technology. Applied Energy (2023).
- A modified Euler-Lagrange-Euler approach for modelling homogeneous and heterogeneous condensing droplets and films in supersonic flows. International Journal of Heat and Mass Transfer (2023).
About these summaries
This Nature Research Intelligence Topic summary is created with the cited references and a large language model. We take care to ground generated text with facts, and have systems in place to gain human feedback on the overall quality of the process in line with our AI principles. We strive to create accurate and useful summaries for people unfamiliar with the research topic and that supports this goal. These pages are a beta release and will be updated as we learn how best to help people gain value from a research topic summary.
Turn complex research questions into confident strategic decisions
When you're under pressure to set direction, justify investment, or understand your competitive position, you need more than raw data — you need trusted insights you can act on.
Benchmark your performance against global peers using robust, methodologically sound analysis.
Combine quantitative metrics with qualitative expert insight to uncover strengths, gaps and emerging opportunities.
Gain tailored, decision-ready recommendations aligned to your strategic priorities.
Talk to us to learn more about our data dashboards and bespoke strategy reports.
Grow research skills, confidence and careers with training built for every stage of the research lifecycle.
Developed with Nature Portfolio journal Editors and internationally renowned experts. Discover three ways to learn:
Self-paced, online courses in convenient bite-sized units, covering key skills across scientific writing, publishing, grant writing, data analysis, and more.
Expert trainer-led workshops with hands-on exercises and real-time feedback across core research skills, delivered via interactive group sessions.
Editor-led workshops combining core principles in writing and publishing, personalised 1:1 feedback from Nature Portfolio Editors and hands-on exercises.
Explore course catalogues and workshop agendas, enquire about the options or request institutional pricing.