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Vol. 217, Issue 11, November 2017, pp. 14-22




Sensors, Instrumentation and Methods to Monitor Two- and Three-phase Flows:
from Cryogenics to Oil Production

Yu. P. Filippov, I. D. Kakorin, A. M. Kovrizhnykh and V. M. Miklayev

Joint Institute for Nuclear Research, Joliot-Curie 6, Dubna, Russia, 141980
Tel.: + 7 4962165813

E-mail: fyp@sunce.jinr.ru


Received: 14 October 2017 /Accepted: 14 November 2017 /Published: 30 November 2017

Digital Sensors and Sensor Sysstems


Abstract: This paper is a review of our works on implementation of measuring systems for two-phase helium, hydrogen, liquefied natural gas (LNG) and oil production. In principle, two-phase flow-meters combining void fraction radio-frequency (RF) sensors and narrowing devices are considered in details. In particular, they can be applied for superconducting accelerators cooled with two-phase helium, refueling hydrogen system for space ships and some applications in LNG production industry. To produce these cryogenic two-phase flow-meters it is necessary to combine such devices as low temperature sensors, cryogenic void fraction sensors, sensors responsive to average velocity of the two-phase flow, pressure sensors and electronics to measure their signals. The measuring systems for two-phase liquefied natural gas (LNG), and oil-formation/salty water flows are also presented. These systems are based on combination of a gamma-densitometer and a narrowing device. It is shown as well that the experience gained allows separationless flow-meter for three-phase oil-gas- formation water flows to be produced.


Keywords: Helium, Hydrogen, LNG, Oil, Formation-water, Multiphase phase flow, RF-sensor, Gamma-densitometer Narrowing device, Flow-meter.


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