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Isothermal container discharge process experimental apparatus

An experimental device and container technology, which is applied in the direction of mass flow measurement device, fluid flow detection by measuring differential pressure, indirect mass flow meter, etc., can solve the problem of inability to measure the flow characteristics and deviation of pneumatic components, and achieve low gas source capacity requirements , less air consumption and shorter measurement time

Inactive Publication Date: 2005-04-13
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

The test device of the present invention is similar to the Japanese Industrial Standard JIS B 8390, but the container in this standard is a common container, when using it to test the flow characteristics, the variation of the internal temperature of the container will cause a large deviation of the test results, in addition It is also impossible to measure the flow characteristics of pneumatic components at subsonic speeds with this device

Method used

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  • Isothermal container discharge process experimental apparatus
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Embodiment Construction

[0013] like figure 1 As shown, the experimental device of the isothermal vessel release method of the present invention includes: a gas source 1, a pressure reducing valve 2, a stop valve 3, a temperature sensor 4, an isothermal vessel 5, a pressure sensor 6, a data recorder 7, a barometer 8, and an upstream rectifier tube. 9. The upstream rectifier pipe joint 10 , the downstream rectifier pipe joint 11 , and the downstream rectifier pipe 12 . The connection relationship is as follows: one end of the gas source 1 is connected to the inlet of the pressure reducing valve 2, and the other end is connected to the stop valve 3; the other end of the stop valve 3 is connected to the isothermal container 5, and the isothermal container 5 is connected to the upstream rectifier pipe 9 at the same time. The other end of the upstream rectifier tube 9 is connected to the air inlet of the component under test through the upstream rectifier tube joint 10, the exhaust port of the measured com...

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Abstract

The experiment apparatus for isothermal container discharge method in measurement and control fields includes gas source, decompression valve, stop valve, temperature sensor, isothermal container, pressure sensor, data recorder, barometer, upstream rectifier tube, upstream rectifier tube joint, downstream rectifier tube joint, and downstream rectifier tube connected together, except the barometer set in atmosphere directly. The element to be measured has its intake connected via the upstream rectifier tube joint with the upstream rectifier tube and its exhaust connected via the downstream rectifier tube joint with the downstream rectifier tube. The experiment apparatus of the present invention has simple structure, short measurement time, low air consumption and other advantages.

Description

technical field [0001] The invention relates to a measuring device for measuring the flow characteristics of pneumatic components, in particular to an experimental device for isothermal container release method. Used in the field of measurement and control. Background technique [0002] The current international standardization draft ISO6358 for measuring the flow characteristics of actual pneumatic components has the disadvantages of complicated testing equipment, long measurement time, and large power consumption. For this reason, a new test method must be adopted. At present, the replacement test methods include the fixed container filling method and the release method. The isothermal container is an important tool to ensure the accuracy of the above-mentioned replacement test methods. Therefore, the development of the isothermal container is very necessary. The process of filling and deflating the fixed volume is very short, only a few seconds, and its energy consumptio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/34G01F1/86
Inventor 叶骞孟国香谢文华刘成良冯正进
Owner SHANGHAI JIAO TONG UNIV
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