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RISAn Investigation of Free Rolling Resistance at Light Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the results of an investigation into the resistance to free rolling, under light loads, of a ball bearing ball on a flat track of unhardened En 31 steel using a pendulum ...
Highly Accurate Formulas for Rapid Calculation of the Key Geometrical Parameters of Elliptic Hertzian Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ellipticity ratio (κ), the complete elliptic intergrals of the first and second kinds (F and E , respectively), and the effective radius ratio (γ) for an elliptic Hertzian contact are ...
A Note on Matching of Electromagnetically Damped Galvanometers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To a new user of an ultraviolet recorder, the matching of the associated galvanometers presents an awkward problem mainly due to a general lack of adequate information on the subject. With ...
On Free Vibrations With Combined Viscous and Coulomb Damping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A closed-form solution of the governing, nonlinear equation for free vibrations of a single-degree-of-freedom system, without stops, under combined viscous and Coulomb damping is first obtained. ...
The Lubrication of Lightly Loaded Cylinders in Combined Rolling, Sliding, and Normal Motion—Part II: Experimental
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper forms part of a wider investigation which includes the theoretical analysis given in Part I in addition to a study of the outlet cavitation boundary, using high-speed cine photography, ...
Reflections on Some Aspects of Lubrication of Concentrated Line Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: New formulas are presented for two important lubrication parameters of a flooded, concentrated line contact, namely the tangential pressure force component under elasto-hydrodynamic (EHD) conditions ...
An Advanced Apparatus for the Study of Roller and Cage Slip in High-Speed Roller Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a sophisticated research facility for the study of roller bearings at DN values of over one million with provisions for the measurement of such parameters as cage and ...
Visual Observations and Torque Measurements in the Taylor Vortex Regime Between Eccentric Rotating Cylinders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The instability of Taylor vortices in the flow between a stationary outer cylinder and an eccentric rotating inner cylinder has been investigated by visual observations and by torque measurements. ...
The Lubrication of Lightly Loaded Cylinders in Combined Rolling, Sliding, and Normal Motion—Part I: Theory
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The problem considered in this paper is that of the lubrication of rigid cylindrical solids by an isoviscous lubricant. The steady-state problem has been studied by several authors, but the ...
An Experimental Investigation of the Effect of Misalignment and Directionality on the Performance of an Externally-Pressurized, Orifice-Compensated Air Journal Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The study described in this paper aims to quantify the effects of misalignment and directionality on the important performance characteristics of a double-plane admission bearing having a length ...