Πλοήγηση ανά Θέμα "Engineering, Mechanical"
Αποτελέσματα 1-20 από 118
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Abbott curves characteristics of turned surfaces
(2003)Evaluation and modelling of bearing curves and bearing ratio parameters are of great importance in surface characterization and tribological functioning of engineering surfaces. The present investigation is focused upon ... -
ADVANCES IN MICRO-MANUFACTURING APPLYING TRIBOLOGICAL PRINCIPLES
(2010)Micro-manufacturing is a cover term for manufacturing processes applied to products possessing micro- and nano-scopic features. Due to the scaling of surface phenomena, the tribological aspects of such processes are much ... -
Analysis of multiplicity phenomena in longitudinal fins under multi-boiling conditions
(2004)A numerical bifurcation analysis is carried out in order to determine the solution structure of longitudinal fins subject to multi-boiling heat transfer mode. The thermal analysis can no longer be performed independently ... -
Analytical and numerical study of MHD natural convection in a horizontal shallow cavity with heat generation
(2014)A study is presented of two-dimensional MHD natural convection flow in an internally heated horizontal shallow cavity in the presence of an external uniform vertical magnetic field. The main feature of the present flow is ... -
Analytical treatment of in-plane parametrically excited undamped vibrations of simply supported parabolic arches
(2003)The present work offers a simple and efficient analytical treatment of the in-plane un-damped vibrations of simply supported parabolic arches under parametric excitation. After thoroughly dealing with the free vibration ... -
Antiplane deformation of a partially bonded elliptical inclusion
(1997)A new method that introduces two holomorphic potential functions (the two-phase potentials) is applied to analyze the antiplane deformation of an elliptical inhomogeneity partially-bonded to an infinite matrix. Elastic ... -
An Assessment of Airport Environmental Noise Action Plans with Some Financial Aspects: The Case of Athens International "Eleftherios Venizelos"
(2012)Environmental noise is an important environmental factor responsible for the degradation of the urban environment and the quality of life especially in countries where climatic conditions allow for outdoor activities and ... -
Buckling Design of Confined Steel Cylinders Under External Pressure
(2011)Thin-walled steel cylinders surrounded by an elastic medium, when subjected to uniform external pressure may buckle. In the present paper, using a two-dimensional model with nonlinear finite elements, which accounts for ... -
Buckling of High-Strength Steel Cylinders Under Cyclic Bending in the Inelastic Range
(2014)The present paper examines the structural behavior of elongated steel hollow cylinders, referred to as tubes or pipes, subjected to large cyclic bending, through a rigorous finite element simulation. The bent cylinders ... -
Buckling of Thin-Walled Long Steel Cylinders Subjected to Bending
(2011)The present paper investigates structural response and buckling of long unstiffened thin-walled cylindrical steel shells, subjected to bending moments, with particular emphasis on stability design. The cylinder response ... -
Buoyancy-assisted mixed convection in a vertical channel with spatially periodic wall temperature
(2013)The influence of a spatially periodic temperature boundary condition on the laminar mixed convection in an upward flow between two vertical parallel plates is numerically studied. A detailed assessment is presented of the ... -
Calcium carbonate scaling in a plate heat exchanger in the presence of particles
(2003)Scale formation of CaCO3 in a plate heat exchanger is investigated in the presence of various types of added particles under isothermal conditions. The parameters examined include the degree of supersaturation, the type ... -
Carburization of high-temperature steels: A simulation-based ranking of carburization resistance
(2015)Carburization is a failure mechanism affecting equipment, such as furnace tubes, operating at high temperatures. Carburization simulations were carried out for the heat-resistant steels referred to the API-530 standard by ... -
Characterization and tribological properties of boride coatings of steels in a fluidized bed reactor
(2008)Purpose - The aim of the current research is to characterize boride coatings on steels and steel alloys produced in a CVD fluidized bed reactor. Design/methodology/approach - Heat treatments of alloys in fluidized bed ... -
Collapse of pressurized elastoplastic tubular members under lateral loads
(2004)The present work examines the collapse of tubular members subjected to lateral (transverse) quasi-static loading in the presence of uniform pressure. In particular, it investigates pressure effects on the ultimate lateral ... -
Comparison of journal bearing operational magnitudes calculated using various modern theoretical simulation models
(2001)This paper presents comparative theoretical results regarding the computational estimation of operational magnitudes of hydrodynamically lubricated finite journal bearings which are either smooth or of negligible roughness ... -
A computational estimation of the critical rotational speed for finite hydrodynamically lubricated journal bearings
(2001)Presents theoretical results regarding the computational estimation of the critical rotational speed in smooth or of negligible roughness and waviness hydrodynamically lubricated journal bearings. Results were provided ... -
A computational study of hydrodynamically lubricated convex and concave journal bearings
(2001)In the present study, computational data are presented regarding the tribological behaviour of convex and concave journal bearing configurations under hydrodynamic lubrication. In specific cases these results may improve ... -
Conductive heat transfer in a rarefied polyatomic gas confined between coaxial cylinders
(2014)The conductive heat transfer through rarefied gases composed by rigid rotators and confined between coaxially placed cylinders maintained at different temperatures is investigated on the basis of the Holway and Rykov kinetic ... -
Control of representative turned surface textures
(2004)A method for characterizing machined surface textures corresponding to varying cutting conditions, which lead to differing profile shapes, is presented here. Through a proper multi-parameter analysis carried out on turned ...