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Heat Separation in Frictional Rotor-Seal Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The development of thermal bows in rotors is frequently reported. The cause of the bows is an asymmetric temperature distribution as a result of uneven heating. The heat source can be a ...
Plastic Zone Size at Sharp Indentation of Classical Elastic–Plastic Materials: Behavior at Ideally Plastic Hardening
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sharp indentation problems are examined based on finite element methods (FEMs) and selfsimilarity considerations. The analysis concerns classical elastic–plastic materials with low, or no, strainhardening and especially ...
Journal Asymmetric Heating—Part II: Alteration of Rotor Dynamic Properties
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An approximation of heat conduction dynamics in a rotating shaft is presented for use in the rotor dynamic analysis of multiple hydrodynamic bearings to predict alteration of vibrations due to ...
Journal Asymmetric Heating—Part I: Nonstationary Bow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A relation between journal vibration and asymmetric temperature in the lubricant-journal interface is derived. The bearing consists of five equally distributed tilting-pads. An arbitrary synchronous ...
Coriolis Generated Secondary Currents in Channels
Publisher: American Society of Civil Engineers
Abstract: The effects of rotation on turbulent channel flow are discussed. In particular, the influence of the earth's rotation is analyzed, and some of the previous literature is reviewed. It is shown that Coriolis‐induced secondary ...
Closure to “<i>Coriolis Generated Secondary Currents in Channels</i>” by Rolf Larsson (August, 1986, Vol. 112, No. 8)
Publisher: American Society of Civil Engineers
Using Modal Analysis for Estimation of Anisotropic Material Constants
Publisher: American Society of Civil Engineers
Abstract: A dynamic method is presented for the estimation of the in-plane elastic properties of structural panels modeled as thin orthotropic plates. The method utilizes the concept of modal analysis. Results from experimental modal ...
A State Variable Interpretation of Some Rate-Dependent Inelastic Properties of Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on a state variable theory proposed by Onat some discriminating creep tests of stainless steel have been designed and carried out at elevated temperature conditions. Quantitative correlations ...
Some Remarks on the Validity of Reynolds Equation in the Modeling of Lubricant Film Flows on the Surface Roughness Scale
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this paper is to investigate the flow in a lubricant film on the surface roughness scale and to compare the numerical solutions obtained by two different solution approaches. ...
Elastohydrodynamic Lubrication at Impact Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental and theoretical studies of elastohydrodynamically lubricated contacts normally assume static or quasi-static conditions. Nonsteady conditions are, however, very common, e.g., in machine ...
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