Electromagnetic flow meter with non-insulation pipe wall for liquid sodium in nuclear reactors
by Xuejing Li
International Journal of Nuclear Energy Science and Technology (IJNEST), Vol. 11, No. 3, 2017

Abstract: An electromagnetic flow meter (EMFM) with non-insulation pipe wall that may be used in the Fast Reactor Test Facility (FARET) has been designed and partially tested. The internal pipe wall of EMFMs must be non-conductive to prevent generated electromotive force from short circuiting. Usually the inside of metallic pipes is lined with insulating material. The lining limits the applicable temperature range of measured fluid and also its reliability. A new structure is proposed, in which the insulating liner is eliminated and metallic pipe instead of non-insulation material. Also a servo system is applied. Therefore, the output signal is exactly the same as that of conventional EMFMs. In this paper, an analytical method based on conducting wall boundary conditions and experimental results is described.

Online publication date: Mon, 20-Nov-2017

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