High cycle fatigue analysis of third stage blade based on shroud gap effect

Abstract

Due to the very small gap of the contact relaxation, which is attributed to the abrasion of blade shrouds in the gas turbine, the fatigue failure of the blade occurs severely. So the gap effect and the high cycle fatigue properties of the turbine blade need to be studyed. Based on the theoretical calculation, the equation of the maximum value of shroud gap… (More)

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