An analysis of the erosion due to water droplet on a compressor blade is performed. The study reports the erosion patterns due to droplets of 15 μm diameter dragged by the main flow. An analysis of the droplets dynamics and erosion patterns is provided. The study put in evidence the influence of the tip leakage vortex and the separation close to the hub on the droplet motion and erosion patterns.
Nowadays the climate change is widely recognized as a global threat by both public opinion and industries. Actions to mitigate its causes are gaining momentum within all industries. In the energy field, there is the necessity to reduce emissions and to improve technologies to preserve the environment. LCA analyses of products are fundamental in this context. In the present work, a life cycle assessment has been carried out to calculate the carbon footprint of different water washing processes, as well as their effectiveness in recovering Gas Turbine efficiency losses.
Recent year witnessed an increasing interest in online water washing technique since it allows to minimize compressor performance losses in the time interval between two off line washing. However, the washing capability and the related erosion risk depend on several parameters such as the injection duration , the d roplet size , the s pray angle , the water mass flow rate and the i nje ctor position s The influence of such parameters on the washing capability and erosion rate is analysed .
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