Which risk specifically increases significantly within steam turbines employing liquid water injection when droplets impact turbine blades amidst superheated vapor?

💡 Explanation

Water ingestion leads to rapid condensation, a phase change causing pressure spikes due to decreased volume; this is the mechanism of water hammer, because the sudden volume change initiates shockwaves. Therefore, rapid condensation induced water hammer is the risk, rather than uniform passivation under dry steam conditions.

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