Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Unsteady flow modelling in turbine stage.

F Martelli1

  • 1Energetic Department, University of Florence, Italy.

Annals of the New York Academy of Sciences
|July 20, 2001
PubMed
Summary

This study reviews unsteady flow modeling in turbine stages, comparing steady, quasi-unsteady, and fully unsteady methods. It assesses their accuracy and usability for improved turbine design.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Black Hole Spectroscopy and Tests of General Relativity with GW250114.

Physical review letters·2026
Same author

Insecticide Resistance Alters Oviposition Preference in <i>Drosophila melanogaster</i>.

Ecology and evolution·2026
Same author

GW250114: Testing Hawking's Area Law and the Kerr Nature of Black Holes.

Physical review letters·2025
Same author

miR-210 overexpression increases pressure overload-induced cardiac fibrosis.

Non-coding RNA research·2025
Same author

Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector.

Physical review letters·2023
Same author

Distinguishable DNA methylation defines a cardiac-specific epigenetic clock.

Clinical epigenetics·2023

Area of Science:

  • Turbomachinery
  • Computational Fluid Dynamics (CFD)
  • Aerodynamics

Background:

  • Unsteady flow phenomena in turbine stages significantly impact performance and design.
  • Classical steady-state models have limitations in capturing real flow complexities.
  • Real flow in turbine stages exhibits distinct unsteady characteristics compared to single-row environments.

Purpose of the Study:

  • To survey and analyze current numerical modeling approaches for unsteady flow in multi-row turbine environments.
  • To evaluate the accuracy, feasibility, robustness, and usability of different unsteady flow modeling techniques.
  • To discuss open questions and potential improvements for turbine design procedures.

Main Methods:

  • Review of classical steady-state flow models and their limitations.
  • Detailed investigation of quasi-unsteady and fully unsteady flow modeling approaches.
  • Assessment of computational requirements (time and storage) for various methods.

Main Results:

  • Classical steady models are insufficient for complex unsteady flow phenomena.
  • Advanced methods (quasi-unsteady to fully unsteady) offer improved prediction capabilities.
  • Sample results from author's research demonstrate the application of these methods.

Conclusions:

  • A comprehensive understanding of unsteady flow modeling is crucial for accurate turbine stage design.
  • Combining classical and advanced unsteady flow methods can enhance current design procedures.
  • Further research is needed to improve the predictive power of unsteady flow models.

Related Experiment Videos