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The article deals with numerical modelling of a bottom electromagnetic stirrer with a rotating field. The influence of the magnitude of the current, working gap and frequency was considered. Three-dimensional numerical modelling of electromagnetic, hydrodynamic turbulent and temperatur fields using the commercial software package COMSOL Multiphysics.
The article deals with the design and power scheme of an induction crucible furnace with a capacity of 10 tons for steel from a dual frequency converter. A comparison of the dynamics of the melt homogenization process in the furnace of the proposed design with a similar process in a conventional furnace is compared. Calculations showed that at the same power, the speed of metal movement in the bath...
Among different linear motors, tubular linear induction motors (TLIM) have been employed in many applications in industry due to their high efficiency and low construction cost. However mathematical simulation of such motors is different from common rotating motors by reason of end effects Proposed simplified methods are based on detailed equivalent magnetic circuits (DEMC) and axisymmetric 2D finite...
The article deals with numerical modelling of a modernized induction pump used as a dispenser of aluminium from the induction furnace. Modernization of the pump using a hightemperature magnetodielectric material. Optimal settings of the material for a particular mode of operation are found. Numerical modelling of electromagnetic and hydrodynamic turbulent fields using the commercial software package...
We study the tradeoffs between many-core machines like Intelpsilas Larrabee and many-thread machines like Nvidia and AMD GPGPUs. We define a unified model describing a superposition of the two architectures, and use it to identify operation zones for which each machine is more suitable. Moreover, we identify an intermediate zone in which both machines deliver inferior performance. We study the shape...
The paper introduces network-on-chip (NoC) design methodology and low cost mechanisms for supporting efficient cache access and cache coherency in future high-performance chip multi processors (CMPs). We address previously proposed CMP architectures based on non uniform cache architecture (NUCA) over NoC, analyze basic memory transactions and translate them into a set of network transactions. We first...
The majority of current network on chip (NoC) architectures employ mesh topology and use simple static routing, to reduce power and area. However, regular mesh topology is unrealistic due to variations in module sizes and shapes, and is not suitable for application-specific NoCs. Consequently, simplistic routing techniques such as XY routing are inadequate, raising the need for low cost alternatives...
This paper addresses the allocation of link capacities in the automated design process of a network-on-chip based system. Communication resource costs are minimized under quality-of-service timing constraints. First, we introduce a novel analytical delay model for virtual channeled wormhole networks with non-uniform link capacities that eliminates costly simulations at the inner-loop of the optimization...
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