Optimising the design of aviation propulsion systems using computational fluid dynamics is
essential to increase their efficiency and reduce pollutant as well as noise emissions …

The design of low-flow coefficient (∼ 0.01) centrifugal compressors with supercritical CO2
as working fluid is still a challenge for engineers due to its increased friction losses at the …

Researchers from all over the world have been researching the aerodynamics of centrifugal
compressors. They have explained many properties of the aerodynamic phenomena …

The design optimization of aviation propulsion systems by means of computational fluid
dynamics is key to increase their efficiency and reduce pollutant and noise emissions. The …

Boundary-layer flow separation is a common flow feature in many engineering applications.
The consequences of flow separation in turbomachinery can be disastrous in terms of …

Various approaches and techniques are used to design centrifugal compressors. These are
engineering one-dimensional and quasi-three-dimensional programs, as well as CFD …

Large eddy simulations (LES) results are used to track flow separation zones in a splittered
vaned radial diffuser near the compressor best efficiency at high rotation speed. The …

To reduce the number of prototypes during product design and accurately predict unsteady
phenomena occurring at off-design points, a method for accurately predicting the …

The flow in centrifugal compressors is viscous and unsteady. Flow separation off the blades
challenges the accuracy of simulations. A viscous body force model is expected to speed up …

Even though significant flow separation zones may occur in centrifugal compressors, they
are still able to provide high efficiency before reaching the stability limit. However, numerical …