Turbulence Models for Turbomachinery
A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".
Deadline for manuscript submissions: 10 September 2025 | Viewed by 2883
Special Issue Editors
Interests: hydraulic machines; energy systems; experimental investigation of turbulence; particle image velocimetry (PIV); energy efficiency
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Turbulent flow, characterized by chaotic changes in velocity and pressure, is still an unsolved problem. It occupies the attention of numerous researchers in theoretical and applied physics worldwide. The Kolmogorov turbulence theory, as a set of hypotheses, is one of a few great steps in the direction of revealing turbulence. However, a general theory of turbulence still does not exist.
Turbomachinery are the most used machines in all areas. They exist in almost every engineering system. Carrying out research on turbulence in these rotating systems is quite a challenging task. Numerous experimental techniques are applied in the complex research of turbulence in turbomachinery, from classical ones to the novel ones, such as the following:
- Fast-response multihole probes;
- Three-component velocimetry systems;
- High-speed stereo particle image velocimetry;
- Holographic particle image velocimetry.
On the basis of the acquired experimental data, numerous turbulence models for flows in turbomachinery can be developed and tested, with the roles of the RANSs (Reynolds-averaged Navier–Stokes equations), LESs (large eddy simulations), hybrid RANS-LES modeling, DNSs (direct numerical simulations), and data-driven turbulence modeling in turbomachinery industry having great importance and potential.
Thus, this Special Issue will present a discussion on various turbomachinery geometries (radial, diagonal, axial) inbuilt in pipes, diffusers, jets, etc.
Prof. Dr. Djordje Cantrak
Dr. Jelena Svorcan
Guest Editors
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Keywords
- turbulence
- turbomachinery
- RANS
- LES
- hybrid RANS-LES
- DNS
- AI
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