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Reduced Mechanisms for Prediction of NO2 Formation and Ignition Delay in Methane-Air Combustion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two new 14-step and 16-step reduced mechanisms for methane-air combustion were systematically developed by assuming the quasisteady state for 26–28 species in the starting mechanism. A series of ...
Effects of Surface Roughness on Multi-Station Mechanical Alignment Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical simulation study was performed to study how surface roughness of the workpiece and datum can affect the locating precision of multiple station manufacturing processes using a ...
Evaluation of CH4/NOx Reduced Mechanisms Used for Modeling Lean Premixed Turbulent Combustion of Natural Gas
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study has identified useful reduced kinetic schemes that can be used in comprehensive multidimensional gas-turbine combustor models. Reduced mechanisms lessen computational cost and possess ...
Reflection and Transmission Coefficients of Plane Waves in Magnetoelectroelastic Layered Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Reflection and transmission coefficients of plane waves with oblique incidence to a multilayered system of piezomagnetic and/or piezoelectric materials are investigated in this paper. The general ...
Development of a Highly Reduced Mechanism for Iso-Octane HCCI Combustion With Targeted Search Algorithm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes recent development of iso-octane skeletal and reduced mechanisms for speeding up numerical simulations of homogeneous charge compression ignition (HCCI) engines. A novel targeted ...
Viscoplastic Finite Element Analysis by Automatic Subincrementing Technique
Publisher: American Society of Civil Engineers
Abstract: An automatic subincrementing technique for numerical integration of viscoplastic constitutive rate equations is investigated for finite element analysis. The technique has two major features: estimate of error and determination ...
Plane-Stress Deformation in Strain Gradient Plasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A systematic approach is proposed to derive the governing equations and boundary conditions for strain gradient plasticity in plane-stress deformation. The displacements, strains, stresses, strain ...
Effect of Mechanical Alignment System on Assembly Accuracy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical means of positioning are frequently used in mechanical assembly processes. However, very little attention has been paid to the proper design and selection of mechanical alignment systems ...
Dual-Direction Optical Measurement Instrument for Assisting X-Ray Mammography
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study aims at developing an optical measurement instrument to implement a diffuse optical imaging system that is incorporated with the X-ray mammogram for the purpose of obtaining functional ...