Turbine exhaust temperature
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What is the minimum exhaust temperature for a steam turbine? It has an adverse effect on the impeller
This temperature shouldn’t be too low, unless it’s steam containing water. Here, the superheated steam temperature drops to 280 degrees; too low a temperature with water present can damage the turbine blades
Too low an exhaust temperature can affect the expansion of the turbine, that is, the differential expansion, and it can also impact the gap between the impeller and the diaphragm, thereby causing vibration in the turbine and metal fatigue
What type of turbine does the poster have? The exhaust temperature of our condensing steam turbines is around 50