2002•Nuclear TechniquesRequires access

Experimental simulation of magnetohydrodynamic effect instabilities caused by cracks

Zengyu Xu

Abstract

Experimental simulation results of magnetohydrodynamic (MHD) effect instabilities caused by coating cracks on insulating layer in pipes are presented. The results showed that the cracks induced not only a great increase of MHD pressure drop, but also unsteadiness of MHD effect. Deviated from the classical laws, both the boundary potential difference U and MHD pressure drop Δ P jumped to an extent over 100%. Moreover, under the same experimental parameters, U vibrated with time and Δ P vibrated with velocity V 0.

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Key concepts: Magnetohydrodynamic drive, Magnetohydrodynamics, Mechanics, Boundary layer, Pressure drop, Drop (telecommunication), Materials science, Physics