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RISExperimental Study on Vibration Characteristics of Rotor-Rotor Inter-Shaft Labyrinth Seal Rubbing Faults in a Counter-Rotating Aero-Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to solve the problem of rotor-rotor inter-shaft labyrinth seal rubbing fault during the test run of a counter-rotating dual-rotor aero-engine, based on the fast Fourier transform, the vibration time-domain signals ...
Investigation of Leakage and Windage Heating of the Counter-Rotating Labyrinth Seal on Various Rotation Speed and Clearance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Vaneless counter-rotating configurations are known to improve aero-engine thrust-to-weight ratios; however, the sealing behavior of labyrinth seals under counter-rotating conditions has not been thoroughly ...
Analyzing Vibrational Energy Flow in Structures With Bolted Preload Flange Joints Under Harmonic Excitation: Application to Aero-Engine Overall Casing Vibration Attenuation
Publisher: The American Society of Mechanical Engineers (ASME)
Numerical and Experimental Study on Heat Transfer Performance and Surface Temperature Nonuniformity Improvement in Liquid Nitrogen Spray Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study combines numerical simulations and experimental investigations to analyze the heat transfer characteristics of a liquid nitrogen (LN2) spray cooling system. The factors affecting system performance, ...
Analysis of Instantaneous Vibrational Energy Flow for an Aero-Engine Dual-Rotor–Support–Casing Coupling System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The aero-engine casing is a key component for carrying loads. With the purpose of improving the thrust-weight ratio of the aero-engine, the casing is required to be designed to be as thin as possible. Therefore, the vibration ...