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RISThreshold Stress Criterion in New Wheel/Rail Interaction for Limiting Rail Damage Under Heavy Axle Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a qualitative discussion of the effects of increasing new (initial) wheel-rail contact stresses on the degree of damage to the rail due to heavy axle loads. The importance ...
A Laboratory Investigation of Threshold Stress in Wheel/Rail Interaction for Heavy Axle Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study is a continuation of earlier investigations to determine acceptable upper bound of contact stresses (threshold stress) for new wheel and rail under heavy axle load conditions. Using ...
Laboratory Investigation of Wheel Rail Contact Stresses for U.S. Freight Cars
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Importance of the wheel rail contact stresses in track degradation and safety of trains is discussed. Theroetical elastic contact stresses based on Hertz theory for various U.S. railroad cars ...
Rail Head Geometry, Rail Rolling and Wheel-Rail Contact Tilting Analysis for Heavy Axle Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents analytical considerations which are important to design a rail head for reducing rail damage due to heavy axle loads. There are two important parameters of design of rail ...
Heavy Axle Load Wheel-Rail Contact Stresses and Their Tread-Crown Curvature Relationships
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a theoretical/design analysis of wheel-rail contact stresses and geometries for U.S. freight cars of 70, 95, 100, and 125 ton freight capacities operating on various crown ...
A Study of Axial Turbine Loss Models in a Streamline Curvature Computing Scheme
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a study of the suitability of various loss models for axial turbines as assessed with a streamline curvature computing scheme for the meridional flow involved. The important ...
Static Analysis of Thick Laminated Circular Cylindrical Shells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An approximate solution for a thick laminated simply supported circular cylindrical shell of revolution and shell panel subjected to asymmetric load has been obtained using elasticity approach. ...
Flow Past a Rotating Cylinder at Low and High Rotation Rates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flow past a rotating circular cylinder is studied experimentally. The experiments are carried out in a water tunnel at Reynolds numbers of 200, 300, and 400 and nondimensional rotation rates ...
Pressure, Flow, Force, and Torque Between the Barrel and Port Plate in an Axial Piston Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper analyzes the pressure distribution, leakage, force, and torque between the barrel and the port plate of an axial piston pump. A detailed set of new equations is developed, which ...
Design Seastates for Extreme Response of Jackup Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The extreme response of a jackup structure is studied. We consider how design seastate histories can be introduced to reduce the cost of time-domain response analysis. We first identify critical ...