One-dimensional mixed MHD convection

Giuseppe Sposito; Michele Ciofalo

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One-dimensional mixed MHD convection

机译：一维混合MHD对流

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摘要

The parallel, fully developed flow of an electrically conducting fluid between plane parallel walls under the simultaneous influence of a driving pressure head, buoyancy, and magnetohydrodynamic (MHD) forces is studied. The fluid is assumed to be internally heated and the flow is modeled as one-dimensional and incompressible, while the Boussinesq approximation is adopted for the buoyancy terms. Analytical solutions are obtained for temperature, velocity and electrical potential under different electrical boundary conditions, forced to natural convection intensity ratios and values of the magnetic induction. Generalized working charts are presented which synthetically describe the system's operation as an EM pump, a MHD generator, a thermal engine or a pure dissipator.

机译：研究了在驱动压力头，浮力和磁流体动力（MHD）力的同时影响下，平面平行壁之间导电流体的平行，完全展开的流动。假定流体在内部被加热，并且流动被建模为一维且不可压缩，而浮力项采用Boussinesq近似。获得了在不同电边界条件下，对自然对流强度比和磁感应强度值的温度，速度和电势的解析解。给出了通用的工作图，这些图综合地描述了系统作为EM泵，MHD发电机，热力发动机或纯耗散器的运行情况。

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来源
《International Journal of Heat and Mass Transfer》 |2006年第18期|p.2939-2949|共11页
作者
Giuseppe Sposito; Michele Ciofalo;
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作者单位

Dipartimento di Ingegneria Nucleare, Universita di Palermo, Viale delle Scienze, I-90128 Palermo, Italy;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
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One-dimensional mixed MHD convection

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