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RISOn the Prediction and Theory of the Temperature Increase of Low Pressure Last Stage Moving Blades During Low Volume Flow Conditions, and Limiting it Through Steam Extraction Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During extreme low volume flow conditions, the last stages of a low pressure steam turbine operate in ventilation conditions that can cause a significant temperature increase of critical regions of the last stage moving ...
Unsteady Aerodynamics of Low Pressure Steam Turbines Operating Under Low Volume Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonsynchronous excitation under low volume operation is a major risk to the mechanical integrity of last stage moving blades (LSMBs) in lowpressure (LP) steam turbines. These vibrations are often induced by a rotating ...
Numerical and Experimental Investigation of the Aerodynamic Excitation of a Model Low Pressure Steam Turbine Stage Operating Under Low Volume Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The diversification of power generation methods within existing power networks has increased the requirement for operational flexibility of plants employing steam turbines. This has led to the situation where steam turbines ...