| 摘要 |
FIELD: measuring instrumentation.SUBSTANCE: multiphase liquid analyser includes pulse source of fast neutrons and electromagnetic emission source, gamma spectrometer, gamma ray detector and scintillator diametrical the electromagnetic emission source on the opposite side of pipeline; pulse source of fast neutrons serves as pulse source of electromagnetic emission as well and additionally contains monitoring detector of fast neutrons and monitoring detector of electromagnetic emission; gamma spectrometer contains additional gamma ray collimator and is positioned beside the pulse source of fast neutrons and electromagnetic emission; gamma ray detector is positioned at the same side of pipeline with the pulse source of fast neutrons and electromagnetic emission at a given distance from the pulse source of fast neutrons and electromagnetic emission downstream by the multiphase liquid flow; fast neutron detector is diametrical to the pulse source of fast neutrons and electromagnetic emission at the opposite side of pipeline; thermal and epithermal neutron detector is positioned at a distance equal to fast neutron moderation length in the multiphase liquid, to the pulse source of fast neutrons and electromagnetic emission; gamma spectrometer, monitoring detector of electromagnetic emission and scintillator can measure electromagnetic pulse emission spectrum.EFFECT: enhanced accuracy of fraction composition and flow measurement in multiphase liquid.1 dwg |
