Deposition pattern analysis on a fouled multistage test compressor

A Suman, A Vulpio, N Casari… - … for Gas Turbines …, 2021 - asmedigitalcollection.asme.org
Compressor fouling is one of the main causes of gas turbine performance degradation.
Microsized particles adhere to the blade surfaces increasing the surface roughness and …

Theoretical and experimental study on effects of wet compression on centrifugal compressor performance

J Sun, Z Zuo, Q Liang, X Zhang, H Guo… - Applied Thermal …, 2022 - Elsevier
Through the internal cooling from evaporation of tiny water droplets during the compression
process, wet compression can effectively augment the net power output of gas turbine under …

Experimental investigation of gas turbine compressor water injection for NOx emission reductions

DAB Novelo, U Igie, V Prakash, A Szymański - Energy, 2019 - Elsevier
The global rising demand for civil air travel shows good prospects for the industry, however,
this growth is inevitably matched with higher levels of emissions and fuel consumption. In …

Performance degradation due to fouling and recovery after washing in a multistage test compressor

N Casari, M Pinelli, PR Spina… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
Land-based power units have to fulfill even more high levels of production and reliability. In
harsh environments (desert and tropical installations, typically), the power unit ingests high …

The role of shaft-speed oscillation on the instability behavior of transonic radial compressor

H Zeng, B Wang, X Zheng - Aerospace Science and Technology, 2020 - Elsevier
A dynamic model of the free-spool compression system is established to investigate the
effects of rotational speeds oscillation on the surge characteristics and behaviors. Simulation …

Performance losses and washing recovery of a helicopter engine compressor operating in ground-idle conditions

N Casari, M Pinelli, A Suman, A Vulpio - CEAS Aeronautical Journal, 2022 - Springer
Helicopters operate often in dusty environments. During landings and takeoffs the engine
ingests huge amounts of contaminants that might deposit inside the compressor. In this …

Influence of the Droplet Diameter on Compressor Rotor Performance under Constant Humidification

J Zhang, Z Xue, S Jia, K Wang… - Heat Transfer Engineering, 2024 - Taylor & Francis
Aiming at the near-clogging boundary condition of a certain type of transonic compressor
rotor, a numerical simulation method is used to systematically study the influence of different …

A new index to evaluate the potential damage of a surge event: the surge severity coefficient

E Munari, M Morini, M Pinelli… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
Industrial compressors suffer from strong aerodynamic instability that arises when low
ranges of flow rate are achieved; this instability is called surge. This phenomenon creates …

Evaluation of Performance Gain by Interstage Injection in a Four-Stage Axial Compressor

T Doerr, S Schuster, D Brillert - … Expo: Power for …, 2021 - asmedigitalcollection.asme.org
Recently, the energy market has seen a shift towards renewable energies due to changing
demands. Gas turbines are used as a transitional technology to cope with grid fluctuations …

Insight on the Diagnostics of Two Degrees of Freedom Planetary Gearboxes

P Grosso, C Fonte, R Rubini - ASME …, 2024 - asmedigitalcollection.asme.org
Planetary gearbox diagnostics is a topic of strong technical interest, given their wide use in
several industrial applications. Among the established methodologies, vibration analysis …