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RISEffects of Forward/Backward Whirl Mechanism on Nonlinear Normal Modes of a Rotor/Stator Rubbing System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the effects of forward and backward whirl mechanism on the existence and the stability of multiple nonlinear normal modes (NNMs) in a four degreeoffreedom (DOF) rotor/stator rubbing system with crosscoupling ...
Stochastic Dynamics of a Nonlinear Misaligned Rotor System Subject to Random Fluid-Induced Forces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, stochastic responses and behaviors of a nonlinear rotor system with the fault of uncertain parallel misalignment and under random fluid-induced forces are investigated. First, the equations of motion of the ...
Measuring Gravity Wave Parameters from a Nighttime Satellite Low-Light Image Based on Two-Dimensional Stockwell Transform
Publisher: American Meteorological Society
Abstract: Atmospheric gravity waves are a kind of mesoscale disturbance, commonly found in the atmospheric system, that plays a key role in a series of mesospheric dynamic processes. When propagating to the upper atmosphere, the ...
Three Cases of a New Multichannel Threshold Technique to Detect Fog/Low Stratus during Nighttime Using SNPP Data
Publisher: American Meteorological Society
Abstract: he day?night band (DNB) low-light-level visible sensor, mounted on the Suomi?National Polar-Orbiting Partnership (SNPP) satellite, can measure visible radiances from the earth and atmosphere (solar/lunar reflection, and ...
Single-Phase Heat Transfer Inside Internal Helically Ribbed Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study focuses on experimentally investigating the performance of two generations of internal helically ribbed tubes during single-phase heat transfer of water inside the tube, where boiling or condensation ...