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Homogeneous gas-liquid mixed dielectric viscosity measuring device and method

A gas-liquid mixing and mixed medium technology, applied in the direction of measuring devices, flow characteristics, instruments, etc., can solve problems such as inapplicability and no protection measures, and achieve the effects of improving test accuracy, improving measurement accuracy, and improving real-time performance.

Active Publication Date: 2017-02-08
XIDIAN UNIV
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Problems solved by technology

However, when these methods are used to measure the viscosity of homogeneous mixed media, there will inevitably be changes in properties caused by temperature or pressure changes, and without any protective measures, these methods are extremely inapplicable

Method used

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Embodiment Construction

[0030] See attached figure 1 and attached image 3 , the present invention provides a homogenous mixed medium viscosity measuring device and method, the device includes an inlet pipe 1, a separator 2, a U-shaped pipe 4, an inverted U-shaped pipe 3, a first temperature sensor 5, a second temperature sensor 9 , the first pressure sensor 6, the second pressure sensor 10, the gas path venturi tube 7, the liquid path venturi tube 11, the first differential pressure transmitter 8, the second differential pressure transmitter 12, the rotary viscometer 14 , a narrow tube viscometer 15 and an outlet pipe 13, the inlet of the inlet pipe 1 is connected to the outlet port of the tested homogeneous gas-liquid two-phase flow mixed fluid, the outlet of the inlet pipe 1 is connected to the separator 2, and the gas-liquid two-phase The flow is separated, and the inlet pipe 1 also has a rotary viscometer 14 for measuring the viscosity of the homogeneous gas-liquid two-phase flow mixed fluid; t...

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Abstract

The invention provides a homogeneous gas-liquid mixed dielectric viscosity measuring device and method. An inlet tube of the device is connected with a separator, a gas outlet of the separator is connected with an inverted U tube, the inverted U tube is connected with the upper end of a gas path Venturi tube, and the lower end of the gas path Venturi tube is connected with the outlet tube; the inverted U tube is connected with a first temperature sensor and a first pressure sensor; a liquid outlet of the separator is connected with a U tube, the U tube is connected with the lower end of a liquid path Venturi tube, and the upper end of the liquid path Venturi tube is connected with the outlet tube; the U tube is connected with a second temperature sensor and a second pressure sensor; the gas path Venturi tube and liquid path Venturi tube are respectively connected with a differential pressure transmitter; and the inlet tube is also connected with a rotational viscometer, and the U tube is also connected with a tubule viscometer. The homogeneous gas-liquid mixed dielectric viscosity measuring device and method have important meanings for developing the experiment testing technique and enhancing the measurement accuracy in the engineering field.

Description

technical field [0001] The invention belongs to the field of fluid viscosity measurement, especially the viscosity measurement of gas-liquid mixed fluid, specifically a viscosity measurement device and method for detecting the gas-liquid two-phase flow of the same type of medium due to vaporization and mixing, mainly used for The measurement of property changes caused by temperature changes in industries such as cryogenic engineering, aerospace, and petrochemical industries is also an essential part of the future research on the bearing sealing performance of two-phase flow. Background technique [0002] The phenomenon of gas-liquid two-phase flow widely exists in industrial fields such as cryogenic engineering, aerospace, petrochemical, nuclear energy, refrigeration and metallurgy. The existing data show that neither the isothermal liquid property model nor the isothermal barotropic fluid property model can simulate the actual fluid property changes, and the actual situatio...

Claims

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Application Information

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IPC IPC(8): G01N11/00G01N11/14
Inventor 张国渊陈国忠张谊李团结
Owner XIDIAN UNIV
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