This review addresses the current state of research into active control and suppression of
vortex rope in hydroturbines under off-design operating conditions. Only active control …

View Video Presentation: https://doi. org/10.2514/6.2023-3434. vid This manuscript provides
a brief description of the linearized flow solver FELiCS and reviews six applications of the …

This study investigates an active control strategy to suppress the precessing vortex core
(PVC) and aims to extend the stable operation range of Francis turbine air model. Large …

This work investigates the spatio-temporal evolution of coherentstructures in the wake of a
generic high-speed train. Spectral properorthogonal decomposition is used to extract energy …

To meet the increasing demand for higher flexibility in hydropower, an operating range
extension in an existing hydroelectric powerplant is considered. To this end, the dynamic …

The application of machine learning to solve engineering problems is in extremely high
demand. This article proposes a tool that employs machine learning algorithms for …

This paper presents an active method to control the pressure fluctuations induced by the
rotating vortex rope (RVR) in a Francis hydro turbine model under part load conditions. The …

Combustion dynamics has been a topic of enduring interest due to its contribution in the
operation of combustion-driven engines. Understanding the role of coupled flow-flame …

The study elucidates the mechanisms involved in actively controlling vortex phenomena
within hydraulic turbines, particularly prevalent during partial load operations, leading to …

This work is devoted to a numerical study of the precessing vortex core (PVC) mitigation in a
Francis turbine air model. The approach utilized to suppress the PVC, injection of radial jets …