Influence of Position of Intake Struts on Unsteady Load and Vibration of First-Stage Rotor

To investigate the influence law and mechanism of relative circumferential position intake struts on unsteady load vibration first stage rotor, 1.5-stage a heavy-duty gas turbine compressor with was numerically simulated. The analysis flow field rotor blade reveals that has little effect aerodynamic performance but obviously changes level blade. When strut inlet guide vane wakes coincide, they are strengthened, resulting in overall enhancement combined stator potential blade, which an obvious middle chord length near leading trailing edges. Research results provide reference guidance for installation struts.