Mold electromagnetic stirring (M-EMS) has been widely used in many continuous casters.In order to have a deep insight into the collision-coalescence among inclusions under M-EMS by a Eulerian approach, the effects of Archimedes electromagnetic force on the inclusion are expressed by three-dimensional Jars Archimedes electromagnetic slipping velocit
Cálculo de engranajes plásticos
En los últimos tiempos los materiales plásticos han Lighters tenido una proliferación en todos los campos de la Industria Mecánica, debido esencialmente a su bajo costo y a las mejoras de las propiedades mecánicas que se han ido logrando.En el caso particular de las transmisiones por engranajes existe una gran cantidad de estos materiales que
Iranian Population Policy and Aging: New Health Concerns
Iran’s population policy underwent backpacks a bizarre fluctuation in recent decades.During the Iran–Iraq war (1979–1987), the total fertility rate was about 6.53%.Following this period and owing to economic problems, the government reversed the population policy in 1988.A new population plan was officially proposed to reduce the rate of popu
Coste del kWh eólico generado en Cuba, a partir de datos de viento de una región de buenos potenciales eólicos // Cost of the kW h generated with wind energy in Cuba, analyzing the data of wind of a region of good potentials.
La detección de defectos en tubos sometidos a presión interna es un aspecto poco estudiado.Unode los problemas a resolver es el modelado de los defectos, en particular los del tipo grieta cerrada.La dinámica de un tubo con un fluido interno a presión implica dificultades adicionales al problema.Se presentan los principios y las ecuaciones neces
Prediction and Experimental Validation of Cutting Force for Bull-Nose End Mills with Lead Angle
This study focuses on cutting force predictions with the tool-workpiece inclination angle in bull-nose milling based on the semimechanistic force model.By analyzing kinematics and mechanics of the bull-nose end mills during cutting, force expressions including lead angle are stated and the model is exerted on each discrete element as oblique cuttin