Impellers are referred to as a core component of turbomachinery. The use of impellers in
various applications is considered an integral part of the industry. So, increased …

Compressor surge is a typical unstable phenomenon generally resulting in violent
aerodynamic oscillation in a compression system. Because of the hysteresis caused by the …

This paper investigates vibration and noise induced by unsteady flow inside a centrifugal
compressor. A weakly coupled fluid-structure-sound method and extrapolation techniques …

Heavy-duty diesel engines equipped with turbochargers is an effective way to alleviate
energy shortage and reduce gas emissions, but their compressor aerodynamic noise …

Developments in computing infrastructure and methods over the last decade have
enhanced the potential of numerical methods to reasonably predict the aerodynamic noise …

Noise pollution is one of the major concerns around the globe, and it is the driving force
behind the development of new sound absorption and insulation materials. In the present …

Surge active control can extend the stable operating range of the compressor. Most of the
previous active control algorithms can only work on the basis that compression …

Hybrid RANS-LES is a promising method for analyzing the complex flow structure in
turbomachinery due to its excellent compromise between accuracy and computational cost …

A numerical study was conducted to investigate the effects of blade surface roughness on
compressor performance and tonal noise emission. The equivalent sand-grain roughness …

The present research work involves a systematic investigation to evaluate the influence of
epoxy/nanosilica coating on vibro-acoustic characteristics of aircraft panels. Impedance tube …