Low-Field NMR Flowing Fluid Measurement: The Effects of Flow Rate and Corrections

doi:10.11938/cjmr20170110

Abstract

Abstract: NMR measurement of flowing fluid is a highly effective and non-destructive online detection method, which can be widely used in pipeline fluid delivery process, chemical reaction process, river flowing process and other time-shift processes. However, flow will induce incomplete polarization and incomplete signal acquisition, such that the effects of flow rate on NMR measurement cannot be ignored. In this work, we analyzed quantitatively how factors related to the flowing state affect NMR measurement. Correction methods were proposed to achieve accurate NMR flowing fluid measurements.

Key words: low-field NMR, online measurement, flowing effects, correction

CLC Number:

O482.53

DENG Feng, XIAO Li-zhi, TAO Ye, GENG Dong-shi, WANG Meng-ying. Low-Field NMR Flowing Fluid Measurement: The Effects of Flow Rate and Corrections[J]. Chinese Journal of Magnetic Resonance, 2017, 34(1): 78-86.

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