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RISA Study of Barreling as an Example of Free Deformation in Plastic Working
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The barreling of cylindrical specimens during upsetting is a common example of free deformation. However, there is no analytical solution to predict the extent of barreling and even experimental ...
Hydrostatic Extrusion With Controlled Follower Block Clearance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydrostatic extrusion of annealed 1100 aluminum was investigated experimentally at ambient temperature. The principal variables studied were lubricant viscosity which was varied from less than 100 ...
On the Crucial Role of Imperfections in Quasi-static Viscoplastic Solutions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stability and structure of shear bands and how they relate to initial imperfections is studied within the framework of a one-dimensional boundary value problem. It is shown that in ...
A Dynamic Model for End Milling Using Single Point Cutting Theory
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamics of a milling process can significantly influence the surface quality and integrity of the finished part. Accordingly, various researchers have investigated the dynamics of milling ...
Experimental Investigation of Performance of a Residential Air Conditioning System with an Evaporatively Cooled Condenser
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an experimental investigation of the use of indirect evaporative cooling process to increase the performance of an air-to-air vapor compression refrigeration system. The condenser ...
Elasto-Plastic Coupled Temperature-Displacement Finite Element Analysis of Two-Dimensional Rolling-Sliding Contact With a Translating Heat Source
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper, describes a transient translating elasto-plastic thermo-mechanical finite element model to study 2-D frictional rolling contact. Frictional two-dimensional contact is simulated by ...
Prediction of Cracking Response of Reinforced Concrete Tensile Members
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of an experimental and analytical study that was carried out to improve the understanding of the response of cracked concrete from a fracture mechanics point of view. Reinforced concrete ...
Novel Tube Design for Superheater Heat Exchanger Enabled Via Additive Manufacturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Superheater tubes are critical boiler components that operate at relatively higher temperatures and pressure. Amongst the primary concerns for these tubes is the deposition of ash particles on the tube surface, leading to ...
Computationally Efficient Whole-Engine Model of a Cummins 2007 Turbocharged Diesel Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an accurate, flexible, and computationally efficient whole engine model incorporating a multizone, quasidimension combustion submodel for a 6.7-l six-cylinder turbocharged diesel ...
PCCI Control Authority of a Modern Diesel Engine Outfitted With Flexible Intake Valve Actuation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Premixed charge compression ignition (PCCI), an advanced mode combustion strategy, promises to simultaneously deliver the fuel efficiency of diesel combustion and the ultralow NOx emissions that ...